Toyota OBD2 codes

Toyota bulletin T-SB-0069-12 covers the SRS lamp on with B0111 on the Sienna, and ends with a procedure to repair the floor harness and side airbag squib circuit. Several Toyota bulletins cover the same codes on this van. This is an airbag circuit, so have it inspected by a qualified technician. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

B0111: Side airbag firing circuit open (Toyota, Lexus)

B0111 with the SRS light on the 4Runner

Toyota bulletin TSB-0086-09 covers the SRS light on with B0111 on 2006 to 2008 4Runner models and announces a new service part for it. The bulletin summary we read does not name the part, so have the airbag system inspected by a dealer, who can check whether the bulletin applies. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

B0111: Side airbag firing circuit open (Toyota, Lexus)

B0116 from an open side squib circuit

Toyota bulletin EL001-08 covers an SRS light with B0116 from an open side squib circuit on the 2004 to 2008 Sienna. Toyota prescribes an updated floor harness repair or a new part, and an owner reports the harness and squib were replaced. This is an airbag system, so have it inspected by a qualified shop rather than repairing it yourself. We read only the NHTSA summary and have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

B0116: Side airbag firing circuit open (Toyota)

B1650 needing occupant classification initialization

Toyota bulletin 00204 covers initialization of the occupant classification system for B1650 on the 2004 Highlander. A dealer can check whether the system needs this step before parts are replaced. Because this is the airbag system, have it inspected rather than working on it yourself. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

B1650: Occupant detection/classification system malfunction (Subaru, Toyota)

B1801 from an open circuit in the spiral cable

RAV4 owners report dealers reading B1801 as an open in a squib circuit and replacing the spiral cable, the coiled wiring behind the steering wheel. Because this is the airbag system, have it inspected by a dealer or qualified shop. This comes from owner reports, not a bulletin, and has not been verified.

B1801: Driver airbag (D squib) circuit open (Toyota)

B1801 from an open squib circuit and clock spring

An owner of a 2008 Toyota Camry Hybrid reports a dealer reading B1801 as an open in the D squib circuit and replacing the clock spring. This is an airbag circuit, so have it inspected by a qualified technician. The source is owner reports from the NHTSA complaint file, not a bulletin.

B1801: Driver airbag (D squib) circuit open (Toyota)

B1821 as an open side squib circuit

Toyota repair manual supplement EL002-08 describes B1821 on the 2004 to 2008 Camry Solara as an open side squib circuit, with the SRS light on. We only read the NHTSA summary, which was updated in May 2008. The side airbag circuit is safety critical, so have it inspected by a qualified shop. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

B1821: Open side airbag (squib) circuit, driver seat side (Toyota)

B1821 from side airbag terminal crimping

Toyota bulletin TSB-0172-12 covers an intermittent SRS light with B1821 on the 2011 to 2012 Sienna. The fix improves the terminal crimping on the side airbag. Only the NHTSA summary was read, not the bulletin itself. Airbag work is safety-critical, so have the system inspected rather than repaired at home. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

B1821: Open side airbag (squib) circuit, driver seat side (Toyota)

B1821 from an open in the seat side airbag circuit

Owner complaints filed with NHTSA on 2004 Camry models read B1821 as an open in the driver seat side airbag circuit, with a pinched seat connector found. This is an airbag circuit, so have it inspected by a qualified shop rather than repairing it yourself. The source is an owner report that has not been independently verified.

B1821: Open side airbag (squib) circuit, driver seat side (Toyota)

B1821 and a side airbag wiring assembly in an owner complaint

An owner complaint on a 2006 Toyota Prius says a dealer quoted a side airbag wiring assembly replacement for B1821, on one or both sides. This is one owner statement and has not been verified. The airbag system is safety-critical, so have it inspected by a qualified shop. The source is owner reports, so this is labelled vehicle data rather than a confirmed fix.

B1821: Open side airbag (squib) circuit, driver seat side (Toyota)

C0210 with the ABS light on, 2007 and 2008 Yaris

Toyota TSB-0120-08 covers the ABS light on with C0210 on the 2007 and 2008 Yaris, which it gives as the rear wheel speed sensor circuits. We only read a one-line summary, so the repair is not stated. This is a braking system, so have it inspected rather than repairing it yourself. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C0210: Right rear wheel speed sensor circuit or signal fault

C0210 from a wheel speed sensor fault on the 2006 RAV4

Toyota bulletin 01106 covers wheel speed sensor codes, including C0210, with the check engine light on in a 2006 RAV4. Only the one-line NHTSA summary was read and the repair is not stated. Brake and stability faults are safety-critical, so have the system inspected rather than attempting repairs yourself. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C0210: Right rear wheel speed sensor circuit or signal fault

C0215 with the MIL on from wheel speed sensor codes

Toyota bulletin 01106 lists C0215 with the MIL on on the 2006 RAV4, as wheel speed sensor codes. The NHTSA summary lists the codes only and gives no cause or fix. Wheel speed sensors are part of the ABS, so have the system inspected. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C0215: Left rear wheel speed sensor circuit fault (Toyota)

C0215 with the ABS light on

Toyota bulletin TSB-0120-08 covers the ABS light with C0215 on the 2007 to 2008 Yaris, and defines these codes as the rear wheel speed sensor circuits. Only the NHTSA summary was read, not the bulletin itself. Brake system faults are safety-critical, so have the vehicle inspected before relying on it. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C0215: Left rear wheel speed sensor circuit fault (Toyota)

C1201 read as a failed actuator ECU

Owners of the 2008 to 2010 Toyota Tundra report C1201 with failed communication, and one dealer diagnosed a failed actuator ECU assembly at a quote of $2,280.41. This is owner narrative and not a confirmed cause. The ABS is safety-critical, so have it inspected by a qualified shop. The source is owner reports to NHTSA.

C1201: Toyota engine control communication fault reported by the skid control system

C1201 with loss of stopping, steering and power

An NHTSA owner complaint on a 2013 Toyota Venza reports the vehicle would not stop or steer and lost power, with C1201 and two related codes listed. The dealer could not recreate the fault. Brake and stability faults are safety-critical, so have the system inspected rather than attempting repairs yourself. The source is owner reports, not a confirmed repair, so this is labelled vehicle data.

C1201: Toyota engine control communication fault reported by the skid control system

C1203 from lost communication between the VSC computer and ECM

Toyota bulletin BR002-03 covers C1203 as a communication fault between the skid control computer and the engine computer on the 2003 Sequoia. Owners report the VSC, TRAC and ABS lights coming on, often with other chassis codes. This involves the braking and stability system, so have it inspected. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C1203: Skid control ECU to engine computer communication malfunction (Toyota)

C1203 with the VSC light, fixed by a computer logic change

Toyota bulletin 00503 covers a VSC light with C1203 in the skid control computer on the 2003 4Runner, corrected by a change to the computer's logic. Have a dealer check whether this update applies before parts are replaced. Because this is the brake and stability system, have it inspected. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C1203: Skid control ECU to engine computer communication malfunction (Toyota)

C1203 with deceleration sensor codes

An owner of a 2010 Toyota Tundra quotes a dealer readout of C1203 as the ECM communication circuit, stored with deceleration sensor and sensor calibration codes. This affects the stability and brake control system, so have it inspected. The source is owner reports from the NHTSA complaint file, not a bulletin.

C1203: Skid control ECU to engine computer communication malfunction (Toyota)

C1223 with the ABS, VSC and brake lights on the Sequoia

Owners of 2003 to 2005 Sequoias report the ABS, VSC, TRAC and brake warning lights coming on with C1223 and other brake codes listed together. Dealers replaced the skid control ECU, actuator or brake booster in these reports. Brakes are safety critical, so have the system inspected. The source is owner reports to NHTSA, not a confirmed fault pattern.

C1223: ABS control system malfunction seen by stability control (Toyota)

C1231 with the VSC light on, 2003 Sequoia

Toyota bulletin 00303 covers the VSC light on with C1231 stored in the skid control computer on the 2003 Sequoia. It says a logic modification was made to the skid control computer to prevent the condition. This is a braking and stability system, so have it inspected by a shop. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C1231: Toyota skid control (ABS/VSC) fault, tied to the steering angle sensor input

C1231 with a repeated ABS and TRAC light

Toyota TSB-0086-13 covers a repeated ABS and TRAC warning light with C1231 on 2009 to 2011 Camry models with Bosch ABS and VSC. The summary says the ABS ECU logic was modified to address it. The ABS is safety-critical, so have it inspected by a qualified shop. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C1231: Toyota skid control (ABS/VSC) fault, tied to the steering angle sensor input

C1241 with VSC, TRAC and ABS lights

Owners of 2002 and 2003 Toyota Sequoias report C1241 with the VSC, TRAC and ABS lights on, sometimes stored with other chassis codes. One dealer said the skid control ECU had shorted internally and replaced it. We found no Toyota bulletin naming this code, and this is a brake control fault, so have it inspected. The source is owner reports from the NHTSA complaint file.

C1241: Low or high power supply voltage to the skid control (ABS/VSC) ECU (Toyota)

C1241 with brake accumulator faults on the Highlander

Highlander and Highlander Hybrid owners report C1241 stored with brake accumulator pressure and leak codes, brake and VSC warnings, and dealers replacing the brake actuator or pump assembly. One owner quotes the dealer reading it as low or high power supply voltage. This is a brake fault, so have the car inspected rather than driving on it. The source is owner reports to NHTSA, not a bulletin.

C1241: Low or high power supply voltage to the skid control (ABS/VSC) ECU (Toyota)

C1241 with brake booster pump or accumulator faults

Prius owners report C1241, read as low or high power supply voltage, stored with brake booster pump or accumulator codes and brake, ABS and VSC warnings. Dealers quoted replacing the brake booster and pump assembly, while some owners were told to replace or charge the 12 V battery. Have the battery and brake system inspected rather than working on the brakes yourself. This comes from owner reports, not a bulletin, and has not been verified.

C1241: Low or high power supply voltage to the skid control (ABS/VSC) ECU (Toyota)

C1247 on the Sequoia from skid control computer logic

Toyota bulletin 00606 covers the check engine light with C1247 and a related skid control code on 2003 to 2005 Sequoia models, and changes the skid control computer logic. Owners also report another stability code stored with it. This is part of the brake and stability system, so have it inspected by a dealer, who can check whether the update applies. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C1247: Brake pedal stroke sensor fault (Toyota)

C1247 with ABS and VSC lights from stroke sensor logic

Toyota bulletin T-SB-0174-12 covers the check engine and ABS/VSC lights with C1247 stored in the ABS/VSC computer on 2004 to 2009 Prius. It addresses the stroke sensor detection logic. This is a brake system, so have it inspected by a dealer or qualified technician. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C1247: Brake pedal stroke sensor fault (Toyota)

C1247 from the brake stroke sensor on the Camry Hybrid

Toyota bulletin T-SB-0040-14 covers the check engine and ABS/VSC lights with C1247, a brake stroke sensor fault, on 2007 to 2011 Camry Hybrid models. Toyota treats it the same way as on the Prius. This is the brake system, so have it inspected by a dealer. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C1247: Brake pedal stroke sensor fault (Toyota)

C1252, C1253, C1256 and C1391 from an internal brake fluid leak in the hybrid brake actuator

Toyota bulletin T-SB-0032-16 links C1252, C1253, C1256 and C1391 with the brake, ABS or TRAC lights or Check VSC on 2004 to 2009 Prius and 2006 to 2007 Highlander HV to a small internal brake fluid leak inside the brake actuator. Other Toyota bulletins cover similar leaks on later Prius and Highlander Hybrid models, and a customer support program covers the booster on certain 2014 to 2016 Highlander HV. This is the brake system, so have it inspected by a dealer or qualified shop. We have not confirmed the bulletins are still current, so this is labelled vehicle data rather than confirmed by bulletin.

C1252, C1253, C1256 and C1391 from an internal leak in the brake booster on the Prius v

Toyota bulletin T-SB-0089-20 says the brake, ABS or TRAC lights or Check VSC with C1252, C1253, C1256 and C1391 on the Prius v may come from a small internal brake fluid leak inside the brake booster with master cylinder assembly. Related Toyota bulletins, including 24TE01 for certain 2017 models, extend the coverage. This is a brake system, so have it inspected rather than repairing it yourself. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C1252, C1253, C1256 and C1391 from a brake fluid leak inside the booster on the Prius c

Toyota bulletin T-SB-0028-21 says that on the 2012 to 2014 Prius c, C1252, C1253, C1256 and C1391 with the brake, ABS or TRAC lights or Check VSC may come from a small internal brake fluid leak inside the brake booster with master cylinder. Toyota covers the 2015 to 2017 Prius c in a separate bulletin on the brake actuator. Brakes are safety critical, so have the system inspected rather than repairing it yourself. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C1252, C1253, C1256 or C1391 from a brake fluid leak inside the hybrid brake actuator

Toyota bulletin T-SB-0041-14 says C1252, C1253, C1256 and C1391 on 2007 to 2011 Camry Hybrid models, with the brake, ABS or TRAC lights or Check VSC on, may come from a small brake fluid leak inside the brake actuator. A separate bulletin points to the brake booster with master cylinder on 2012 to 2014 Camry Hybrid models. These notes apply to hybrid models only, and brakes are safety critical, so have the system inspected rather than repaired at home. We have not confirmed the bulletins are still current, so this is labelled vehicle data rather than confirmed by bulletin.

C1300 with brake warnings that cleared on reset in an owner complaint

An owner complaint on a 2008 Toyota Prius quotes a dealer log with C1300, covering a stroke sensor fault, an ABS computer malfunction and low voltage. Resetting cleared the warnings. It rests on one report. The brake system is safety-critical, so have it inspected by a qualified shop. The source is owner reports, so this is labelled vehicle data rather than a confirmed fix.

C1300: ABS / skid control ECU malfunction (Toyota)

C1300 as a skid control ECU malfunction

One NHTSA owner complaint on a 2019 Toyota Camry says a technician found C1300 as an ABS skid control ECU malfunction, after the dealer first suggested replacing the battery. The source is an owner report, not a bulletin, and it is not independently verified. ABS is a safety system, so have it inspected by a qualified shop.

C1300: ABS / skid control ECU malfunction (Toyota)

C1310 fixed by a skid control computer change

Toyota bulletin 00606 covers the check engine light with C1310 on 2003 to 2005 Sequoia and says a skid control computer logic change addresses it. Only the NHTSA summary was read. Brake and stability faults are safety-critical, so have the system inspected rather than attempting repairs yourself. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

C1310: Toyota active brake booster solenoid fault

C1345 learning undone on Toyota hybrids

NHTSA owner complaints for some Toyota hybrids quote C1345 as a linear solenoid valve offset learning undone, with other brake codes and a brake actuator replacement. We found no Toyota bulletin naming it in our extract. The source is owner reports, not a bulletin. Brakes are safety critical, so have the system inspected by a qualified shop.

C1345: Brake linear solenoid valve offset learning not done (Toyota)

P0012 covered by a Toyota bulletin

Toyota bulletin 00507 covers P0012 on the 2005 to 2007 Corolla and Matrix. The summary we read does not give the cause or repair, so ask a dealer to check the bulletin before replacing cam timing parts. We read NHTSA's summary only; the full bulletin was not reviewed, and we have not confirmed it is still current.

P0012: Intake camshaft timing behind target (bank 1)

P0121 from a fault inside the throttle body sensor

A 2009 Corolla Matrix owner reports a dealer tracing P0121 and a sudden loss of acceleration to an internal fault in the throttle body sensor. If acceleration drops out with this code, have the throttle body checked. This comes from owner reports, not a bulletin, and has not been verified.

P0121: The throttle position sensor A signal doesn't agree with what the engine computer expects, even though the voltage is within range

P0136 that stayed after a downstream sensor swap

Toyota bulletin 01803 covers the 2004 Prius with P0136. A 2013 Prius owner reports the code staying after the downstream oxygen sensor was replaced, with the sensor reading 0 volts. The bulletin was not confirmed as current, and part of this is an owner report, so it is labelled vehicle data rather than confirmed by bulletin.

P0136: Rear oxygen sensor circuit fault (bank 1, sensor 2)

P0136 with the MIL on in a 2002 Tacoma

Toyota bulletin 02302 covers the MIL on with P0136 stored on the 2002 Tacoma. The NHTSA summary does not give the repair. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0136: Rear oxygen sensor circuit fault (bank 1, sensor 2)

P0136 read at a dealer, with a sensor replacement advised

A 2004 Camry owner complaint to NHTSA reports a dealer reading of P0136, an oxygen sensor malfunction, and advice to replace the oxygen sensor. The source is owner reports, and one report does not show the sensor was the cause, so it needs testing to confirm.

P0136: Rear oxygen sensor circuit fault (bank 1, sensor 2)

P0142 cleared by an ECM calibration update

Toyota bulletin 01603 describes a calibration update to the engine control module for a check engine light with P0142 on the 2003 to 2004 Camry. We have only read the NHTSA summary and have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0142: The bank 1 sensor 3 oxygen sensor circuit is giving the computer a signal outside what it expects

P0155 with the check engine light on Tundra and Sequoia

Toyota bulletin 01902R covers a check engine light with P0155 stored in the engine control module on 2000 to 2002 Tundra and Sequoia. A 2001 Sequoia owner reports the code at about 77,000 miles and a sensor replacement. We only read the NHTSA summary, which gives no cause. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0155: Heater circuit fault on the upstream oxygen sensor on the second bank of cylinders (bank 2, sensor 1)

P0156 with an oxygen sensor circuit fault

Toyota bulletin 00505 covers a check engine light with P0156 (oxygen sensor circuit) on 2003 to 2004 4Runner. Only the NHTSA summary was read, not the full bulletin. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0156: The oxygen sensor after the catalytic converter on bank 2 (sensor 2) has a circuit fault

P0156 fixed with an ECM calibration update on the Land Cruiser

Toyota bulletin 04605 is an engine control module calibration update for a check engine light with P0156 on the 2004 to 2005 Land Cruiser. We have only read the NHTSA summary and have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0156: The oxygen sensor after the catalytic converter on bank 2 (sensor 2) has a circuit fault

P0158 with a high voltage oxygen sensor circuit

Toyota bulletin T-SB-0001-10 covers a lit check engine light with P0158, described as an oxygen sensor circuit reading high voltage, on some 2005 to 2010 Camry and other Toyota models. The summary does not give a cause or repair. Only the NHTSA summary was read, not the full bulletin. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0158: Oxygen sensor signal voltage reads too high, bank 2 sensor 2

P0333 from rodent-chewed knock sensor wiring

Two Toyota Tacoma owners report dealers tracing P0333 to knock sensor wiring chewed by rodents. These are owner reports to NHTSA, not a bulletin, and only the complaint text was read.

P0333: Knock sensor 2 circuit fault on bank 2 (the side of the engine away from cylinder 1)

Intermittent P0335 on the 2AZ engine

Toyota bulletin T-SB-0192-12 addresses intermittent P0335 on vehicles with the 2AZ engine, including the Camry, with an improved intake camshaft gear assembly. Ask a dealer whether it applies before replacing the crankshaft sensor. We read NHTSA's summary only; the full bulletin was not reviewed, and we have not confirmed it is still current.

P0335: Crankshaft position sensor A circuit fault

P0335 from a crankshaft sensor recall: stall risk

Toyota safety recall H0H covered about 32,000 2016 and 2017 V6 Tacomas built from mid-September 2015 to late October 2016. Excess anti-corrosion coating on the crankshaft timing rotor could make the crankshaft sensor malfunction, with a check engine light, rough running, misfire or a stall; a stall at higher speed increases the risk of a crash. Dealers fit an improved sensor, so check for open recalls by VIN. Source: Toyota's recall FAQ.

P0335: Crankshaft position sensor A circuit fault

P0346 with the check engine light on

Toyota bulletin 002-05 covers the check engine light with P0346 on the 2004 Sienna. The summary describes the code as a camshaft position sensor circuit range or performance fault on bank 2 and does not give the repair. Only the NHTSA summary was read. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0346: The bank 2 camshaft position sensor A signal is out of range or not behaving as expected

P0351, P0352, P0353 and P0354: improved engine computer logic

Toyota bulletin TSB-0101-09 addresses ignition coil circuit codes, including P0351, P0352, P0353 and P0354, on the 2007 Camry with improved engine computer logic. Ask a dealer whether the update applies before replacing coils. We read NHTSA's summary only; the full bulletin was not reviewed, and we have not confirmed it is still current.

P0356 from an ignition coil malfunction

Toyota bulletin TSB-0131-09 covers a check engine light with ignition coil primary circuit codes (P0356) on some Toyota hybrid models, attributed to an ignition coil malfunction. The NHTSA summary does not give the repair. Test the coils and their connectors first. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0356: Ignition coil F primary or secondary circuit fault (the coil for cylinder 6 on most engines)

P0401: improved EGR valve

Toyota bulletin T-SB-0075-13 supplies an improved EGR valve for P0401 on the 2010 to 2012 Prius and 2012 Prius v. We read NHTSA's summary only; the full bulletin was not reviewed, and we have not confirmed it is still current.

P0401: Exhaust gas recirculation (EGR) flow insufficient detected

P0418 and P2441 from contamination in the secondary air system

Toyota bulletin T-SB-0230-12 covers secondary air injection codes, including P0418 and P2441, on 4.7L 2UZ-FE engines in some 4Runner, Land Cruiser, Sequoia and Tundra models, possibly from debris passing through the air pump and contaminating the system. Our notes also point to water in the air pump on some later years, so inspect the air pump and valves for debris or water before replacing single parts. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P043E, P2401 and P2419 from fuel in the EVAP system

Toyota bulletin TSB-0046-10 lists P043E, P2401 and P2419 together on the 2006 to 2010 RAV4, with an intermittent rough idle at operating temperature, and blames fuel in the EVAP system. Check for signs of fuel in the EVAP system before replacing sensors. We read only the cached NHTSA summary and have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0500: modified engine computer logic

Toyota bulletin TSB-0072-10 modifies the engine computer logic on the 2002 and 2003 Camry so P0500 is less likely to set. On a covered car, check the software before replacing the speed sensor. We read NHTSA's summary only; the full bulletin was not reviewed, and we have not confirmed it is still current.

P0500: Vehicle speed sensor signal missing or not believable

P0505 with the check engine light on 2GR-FE V6 models

Toyota TSB-0184-09 covers a check engine light with P0505 stored on vehicles with the 2GR-FE V6. The summary does not show the remedy. Ask a dealer to check this bulletin before replacing idle or throttle parts. We only read the NHTSA summary, not the full bulletin. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0505: Idle air control system malfunction

P0552 from the power steering pressure sensor

Toyota bulletin TSB-0133-08 covers the check engine light on with P0552, power steering pressure sensor malfunction, on 2007 to 2008 Land Cruiser, Sequoia and Tundra. Steering is a safety system, so have it inspected by a qualified shop. Only the NHTSA summary was read, not the full bulletin. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0552: The power steering pressure sensor signal is lower than the computer expects.

P0553 with a power steering pressure sensor malfunction

NHTSA bulletin summary 10026063 covers a check engine light with P0553 on 2007 to 2008 Toyota Land Cruiser, Sequoia and Tundra, described as a power steering pressure sensor malfunction. Steering is a safety system, so have it inspected by a qualified technician. Only the cached NHTSA summary was read. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0553: The power steering pressure sensor signal is higher than the computer expects.

P0604 with the MIL on in 2003 to 2004 Camry and Solara

Toyota bulletin 05104 lists the MIL on with P0604 on 2003 to 2004 Camry and Solara. The NHTSA summary does not state the repair. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0604: Internal memory (RAM) fault inside the engine or powertrain control module

P0607 and a recall for engine computer solder cracks

Recall 10V384000 covers the engine computer on 2005 to 2008 Corolla and Corolla Matrix with the 1ZZ-FE and two-wheel drive. Cracked solder can light the engine warning lamp and cause harsh shifting, a no start or the engine shutting off, and dealers inspect and replace the computer. The recall does not name P0607, so the link needs testing to confirm; ask a dealer whether the recall applies to your VIN.

P0607: A control module failed one of its internal performance checks

P0705 with delayed or harsh gear engagement

Toyota bulletin SB-0277-09 covers the check engine light with P0705 on 2005 to 2009 Tacoma, possibly with delayed engagement into reverse or drive or harsh engagement out of park or neutral. Our summary of the bulletin does not give the fix, so ask a dealer for the bulletin details before replacing the range sensor. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0705: Fault in the transmission range sensor circuit (gear selector position input)

P0729 with slipping from C1 clutch damage

Toyota bulletin T-SB-0170-09 lists P0729 among the codes for slipping from C1 clutch damage on the Sequoia and Tundra. The vehicle note applies it to the 2007 to 2009 Tundra. Check the transmission fluid level and condition first. Only the NHTSA summary was read, not the bulletin itself. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0729: Gear 6 incorrect ratio

P0750 with harsh shifts on the 4-speed automatic

Toyota bulletin TSB-0156-10 covers harsh shifts and the check engine light with P0750 and other shift solenoid codes on 2001 to 2003 RAV4 with the 4-speed automatic. Only the summary was read, so it does not give the fix; ask a dealer about it. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0750: Shift solenoid A circuit malfunction

P0751 with slipping from C1 clutch damage on the Tundra

Toyota T-SB-0170-09 covers slipping or harsh shifting with P0751 and other shift codes, caused by C1 clutch damage, on the 2007 to 2009 Tundra and 2008 to 2009 Sequoia. Ask a shop to check the clutch condition when slipping comes with these codes. We only read the NHTSA summary, not the full bulletin. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0751: Shift solenoid A performance or stuck off

P0755 with harsh shifts on the 2001 to 2003 RAV4

Toyota bulletin TSB-0156-10 and service campaign TC-10-034 cover harsh shifts and the check engine light with P0755 and related shift solenoid codes on the 2001 to 2003 RAV4 automatic. Most owner complaints for this code come from these RAV4s, so check for open campaigns first. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0755: Shift solenoid B circuit or operation fault

P0758 with harsh shifts from solenoid circuits

Toyota TSB-0156-10 covers harsh shifts or a check engine light with P0758 and other solenoid codes on the 2001 to 2003 RAV4. Check the transmission fluid first. The bulletin is published on NHTSA, but we have not confirmed it is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0758: Shift solenoid B electrical fault

P0770 with the engine light on

Toyota bulletin 02002 covers the check engine light with P0770 stored on the 2003 Corolla and Matrix. Only the NHTSA summary was read, so the cause and repair are not stated. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0770: Shift solenoid E malfunction

P0770 stored with the light on, 2002 Tacoma

Toyota bulletin 02502 covers the check engine light on with P0770 stored on the 2002 Tacoma. We only read the NHTSA summary, so the repair is not stated. Check the transmission fluid level and condition first. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0770: Shift solenoid E malfunction

P0770 with the check engine light on, from a Toyota bulletin

Toyota bulletin 02402 covers a check engine light with P0770 stored on the 2002 Tundra. We only read the NHTSA summary, which does not give the repair. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0770: Shift solenoid E malfunction

P0775 with whine or harsh shifts on the Highlander

Toyota T-SB-0160-18 covers whine, harsh shifting, a warning light or reduced power with P0775 on the 2017 to 2018 Highlander and Sienna. The code listed is a variant of the base code. Ask a dealer to check this bulletin before replacing transmission parts. We only read the NHTSA summary, not the full bulletin. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0775: Pressure control solenoid B malfunction

P0894 from damage to the C1 clutch assembly

Toyota bulletin T-SB-0170-09 lists P0894 among several shift performance codes set with transmission slipping or harsh shifting from damage to the C1 clutch assembly. It covers the 2007 to 2009 Tundra and Sequoia. We read only the NHTSA summary. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0894: A transmission component is slipping: rotating parts are turning slower than the computer expects

P0894 among shift performance codes on the Land Cruiser

Toyota bulletin T-SB-0084-08 Rev covers the 2008 to 2011 Land Cruiser with the MIL on and abnormal shifting, with P0894 among several transmission performance codes. Toyota developed revised engine computer software logic, and in some cases replacing the transmission may be required. We only read the NHTSA summary. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0894: A transmission component is slipping: rotating parts are turning slower than the computer expects

P0A08 after a failed inverter cooling pump

A 2006 Toyota Highlander Hybrid owner complaint to NHTSA reports lost power while driving. The technician pulled P0A08 along with other hybrid battery and inverter codes, found the inverter water pump not working, and replaced it. The source is an owner report to NHTSA, so this is labelled vehicle data rather than confirmed by bulletin.

P0A08: The computer sees an open circuit on the status line from the DC/DC converter

P0A08 with a hybrid system warning

A 2012 Toyota Prius owner complaint to NHTSA reports a hybrid system warning with P0A08, read out as a DC/DC converter circuit status fault. The owner says it points to an inverter problem and that it happened repeatedly while driving. The source is owner reports, not a bulletin.

P0A08: The computer sees an open circuit on the status line from the DC/DC converter

P0A0F (engine failed to start) from a separated purge line

Toyota bulletin T-SB-0041-15 says some 2010 to 2013 Prius and 2012 to 2013 Prius v models may show a warning light with P0A0F (engine failed to start) when the purge VSV/PCV line separates from the throttle body housing. The bulletin says to replace the purge VSV and reprogram the ECM. Lexus has a matching bulletin for the 2011 to 2013 CT 200h. We read only the NHTSA summary. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0A0F: The hybrid computer commanded the gasoline engine to start and the engine did not start

P0A1F from hybrid battery ECU hardware on the Prius

Toyota TSB-0166-09 says some 2004 to 2009 Prius may show a check engine light with hybrid battery codes including P0A1F. It says the HV ECU and battery ECU hardware were improved to correct them. Only the NHTSA summary was read, not the bulletin PDF. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0A1F: The battery energy control module, the computer that manages the high-voltage battery, has set an internal fault

P0A78 from the hybrid inverter assembly

Toyota bulletin TSB-0011-23 says the check engine light with P0A78 on the 2010 to 2015 Prius and 2012 to 2017 Prius v points to a fault in the inverter assembly with converter, and its repair procedure finds which parts inside need replacing. Toyota also covers this under program 23TE02, so ask a dealer to check the VIN. The inverter is high-voltage, so do not work on it yourself. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0A78: The inverter that powers hybrid drive motor A is not performing as expected

P0A7A from a fault in the inverter with converter

Toyota bulletin TSB001123 says some 2010 to 2015 Prius and 2012 to 2017 Prius v may show the check engine light with P0A7A from a malfunction in the inverter assembly with converter. The repair procedure identifies which parts inside the assembly to replace. The summary we read is from NHTSA only, not the full bulletin. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0A7A: The generator inverter is not performing as expected, or its fail signal looks wrong

P0A7A with information code 122 on some hybrids

Toyota T-SB-0142-16 says some 2012 to 2016 Avalon, Camry and RAV4 hybrids may show the warning light with P0A7A and information code 122, a generator inverter fail signal detection. The bulletin applies only if code 122 is present. Only the NHTSA summary was read. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0A7A: The generator inverter is not performing as expected, or its fail signal looks wrong

P0A7F from a dirty hybrid battery cooling fan

Toyota bulletin T-SB-0012-14 says 2007 to 2011 Camry Hybrid may show the check engine light with P0A7F because dust or debris builds up in the hybrid battery cooling fan. Later Toyota bulletins cover the same pair of codes on other Camry Hybrid years. The summary we read is from NHTSA only, not the full bulletin. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0A7F: The hybrid battery pack is worn or one of its modules has deteriorated

P0A7F from dust in the hybrid battery cooling fan or filter

Toyota T-SB-0074-20 ties P0A7F to dust in the hybrid battery cooling fan or filter. It widens an earlier cooling fan dust bulletin to a range of 2003 to 2020 Toyota hybrids, including the Prius family. Only the NHTSA summary was read. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0A7F: The hybrid battery pack is worn or one of its modules has deteriorated

P0A80 from debris in the hybrid battery cooling fan

Toyota bulletin T-SB-0013-14 ties P0A80 on the 2013 to 2015 Prius to dust or debris building up in the hybrid battery cooling fan. The vehicle note also mentions fan-debris bulletins for the 2004 to 2009 Prius. Check the fan and its intake for blockage first, and have the hybrid battery inspected by a qualified shop. Only the NHTSA summary was read, not the bulletin itself. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0A80: Hybrid battery pack flagged for replacement

P0A80 from dust in the hybrid battery cooling fan

Toyota bulletin T-SB-0012-14 and sibling bulletins tie P0A80 to dust or debris in the hybrid battery cooling fan on some Toyota hybrids, with the check engine light on. Some siblings also mention the fan and cooling duct filter. Check the battery fan intake and filter for debris, and have the hybrid battery inspected by a qualified technician. We have not confirmed the bulletins are still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0A80: Hybrid battery pack flagged for replacement

P0A80 from a failing hybrid battery

Toyota bulletin T-TT-0397-16 says a lit check engine light with P0A80 on the 2012 to 2017 Prius c means the hybrid battery needs replacing. At the same time the battery cooling filter must be cleaned or replaced. This involves the high-voltage system, so have it inspected by a qualified shop. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0A80: Hybrid battery pack flagged for replacement

P0A80 with an altered hybrid battery

Toyota technical tip T-TT-0365-15 covers Toyota hybrids from 2001 to 2016, where a vehicle may arrive with the check engine light on and P0A80 set. Some cases show internal modification of the hybrid battery, and modified or altered parts are not covered under warranty. Have the hybrid battery inspected by a qualified shop. Only the NHTSA summary was read, not the bulletin itself. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0A80: Hybrid battery pack flagged for replacement

P0A93 with inverter cooling system performance

Dealer and shop readouts of P0A93 on the 2004 to 2005 Prius point to inverter cooling system performance or the water pump. One dealer diagnosed it at 34,242 miles. Check the inverter cooling system first. The source is owner reports to NHTSA, not a confirmed fix.

P0A93: Hybrid inverter cooling system performance problem

P0A93 from a failed inverter water pump

An NHTSA owner complaint on a 2006 Toyota Highlander Hybrid reports the check engine and VSC lights and loss of power while driving. The technician pulled P0A93 with two related hybrid codes, found the inverter pump not working properly and replaced the inverter water pump. Hybrid high-voltage parts are dangerous, so have the system checked by a hybrid-trained shop. The source is owner reports, not a confirmed repair, so this is labelled vehicle data.

P0A93: Hybrid inverter cooling system performance problem

P0A94 from the inverter with converter

Toyota T-SB-0003-21 and related support programs cover a check engine light with P0A94 from a malfunction in the inverter with converter assembly on the Prius and Prius v. A dealer found a failed inverter after one engine stopped on the highway. High voltage parts should be inspected by a trained technician. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0A94: The hybrid system has detected a performance fault in the DC/DC converter inside the inverter assembly

P0A94 with limp mode on the Prius c

One owner of a 2013 Toyota Prius c reports that a dealer verified P0A94 with detail code 172, and the car went into limp mode and would not go Ready. Other owners report power loss and stalling, with a dealer finding inverter power module failures. This is high voltage hybrid work, so have it inspected by a qualified shop. The source is owner reports, a single complaint that NHTSA has not verified, so it is labelled vehicle data rather than confirmed.

P0A94: The hybrid system has detected a performance fault in the DC/DC converter inside the inverter assembly

P0AA6 from a high-voltage isolation fault

A ToyotaTech reference explains that P0AA6 on Toyota hybrids means a high-voltage part is leaking to the body. The car lets you reach your destination, then will not restart, and an information code points to the area, such as the A/C compressor, battery, motor, cables or inverter. Owners report no-starts, and one 2007 Prius needed a transaxle. Testing needs an insulation tester and a trained technician, so do not open the high-voltage system yourself. This is a trade reference with owner reports, not a bulletin.

P0AA6: The hybrid computer has detected high voltage leaking to the vehicle body

P0AA6 from corrosion at the rear motor connector

Toyota bulletin TSB-0026-22 links an isolation fault, P0AA6, on the 2019 to 2021 RAV4 Hybrid to corrosion or dirt at the high-voltage connector under the vehicle at the rear motor generator. AM radio static may also appear. This is high-voltage wiring, so have a dealer inspect it. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P0AA6: The hybrid computer has detected high voltage leaking to the vehicle body

P107B on the fuel rail pressure sensor circuit

Toyota bulletin T-SB-0050-20 covers the check engine light with P107B, a fuel rail pressure sensor circuit range or performance fault, on 2018 to 2019 Highlander Hybrid models. It replaces the fuel pump assembly. Only the NHTSA summary was read. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P107B: On Toyota and Lexus hybrids, fuel rail pressure sensor B reads out of range

P1440 and P1442 from the secondary air injection system on 4.7L engines

Toyota bulletin T-SB-0230-12 lists P1440 and P1442 among secondary air injection codes on the 4.7L 2UZ-FE engine in some 2005 to 2009 4Runner, Land Cruiser, Sequoia and Tundra models. It says debris through the air pump may contaminate the system. We read the NHTSA summary and a copy of the bulletin text. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P1444 from the secondary air injection system on the 4.7L

Toyota T-SB-0230-12 Rev lists P1444 as a secondary air injection switching valve stuck open among codes that may set the warning light on 2UZ-FE 4.7L engines. Debris from the air injection pump can contaminate the system. An owner complaint also reports a code with poor acceleration. Only the NHTSA summary was read. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P1444: Secondary air switching valve No. 2 stuck open (Toyota, Lexus)

P1445 among secondary air injection codes

Toyota bulletin T-SB-0230-12 Rev lists P1445 among the secondary air injection codes on 4.7L 2UZ-FE engines, as valve switching faults. It says debris passing through the air injection pump assembly can contaminate other parts of the system. We only read the NHTSA summary. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P1445: On Toyota, secondary air switching valve No. 2 stuck closed (bank 2)

P1603 and P1605 from corrosion in the engine computer connector

Toyota T-SB-0072-19 covers drivability concerns, low or no fuel pressure and P1603 and P1605 on the 2014 to 2018 Highlander from water and corrosion in the A43 engine computer connector. It traces this to poorly sealed aftermarket windshield de-icer harnesses. Check that connector for water and corrosion if such a windshield is fitted. We only read the NHTSA summary, not the full bulletin. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P1603 with stalls in traffic on the RAV4

An owner of a 2018 RAV4 reports five stalls in traffic and a charging system warning. Toyota recorded P1603 and other codes but found no root cause. This comes from owner reports to NHTSA, not a bulletin, and it needs testing to confirm the cause.

P1603: Engine stall history (Toyota)

P1604 with hard starting on the flex-fuel 3UR-FBE

Toyota bulletin T-SB-0166-19 covers hard starting with P1604 or fuel trim codes on Sequoia and Tundra with the flex-fuel 3UR-FBE engine. A scan tool may show negative fuel trims and an alcohol estimate higher than the fuel actually in the tank, and an earlier version of the bulletin reprogrammed the engine computer. Ask a dealer about the update before replacing fuel parts. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P1604: Startability malfunction (Toyota and Subaru)

P1604 from water in the engine computer connector

Toyota bulletin T-SB-0072-19 links drivability concerns, low or no fuel pressure and codes including P1604 on the 2014 to 2018 Highlander and Highlander Hybrid to water and corrosion in an engine computer connector. The water comes from poorly sealed aftermarket windshield de-icer harnesses, so check for one and inspect the connector first. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P1604: Startability malfunction (Toyota and Subaru)

P1605 from a wrong learned alcohol content on flex-fuel engines

Toyota T-SB-0058-13 covers P1605 on 2012 to 2015 Sequoia and Tundra models with the flex-fuel 3UR-FBE engine, along with fuel trim, startability and rough idle codes after starting. The cause given is an alcohol density estimate that is too high for the fuel used. A later bulletin, T-SB-0166-19, is reported to replace it. Ask a dealer which one applies. We only read the NHTSA summary, not the full bulletin. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P1605: Rough idling (Toyota)

P1605 with stalling at stoplights on the RAV4

Owners of the RAV4 report stalls at stoplights and in traffic with P1605 stored, including two warranty repairs before a crash. Check for stored codes after each stall. This comes from owner reports to NHTSA, not a bulletin, and it needs testing to confirm the cause.

P1605: Rough idling (Toyota)

P2103 with a modified throttle body hose

Toyota TSB-0187-09 covers a warning light with P2103 on the 2004 to 2005 Camry with the 2AZ-FE engine, and says a throttle body hose was modified to address it. We read only the NHTSA summary. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2103: The computer sees a high voltage condition in the circuit that drives the throttle motor

P2111 below freezing on the Prius

Toyota bulletin T-SB-0103-12 covers P2111 with a related hybrid code on Prius models with the 2ZR-FXE engine when it is below 23 F, and Toyota improved the intake manifold. If the code only sets in freezing weather, ask a dealer about the bulletin. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2111: The engine computer commanded the electronic throttle to close further but saw it stay more open than expected

P2111 with poor acceleration, rough idle or stalling

Toyota bulletin T-SB-0012-16 covers lack of acceleration, rough idle or stalling with P2111 on the 2007 to 2011 Camry Hybrid with the 2AZ-FXE engine. Our summary of the bulletin does not give the cause or fix, so ask a Toyota dealer for the bulletin details before replacing the throttle body. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2111: The engine computer commanded the electronic throttle to close further but saw it stay more open than expected

P2112 on the 2AZ-FE from the throttle body hose

Toyota bulletin TSB-0187-09 covers P2112 on the 2004 to 2005 Camry with the 2AZ-FE, and the fix is a modified throttle body hose. Check the throttle body hose before replacing the throttle body. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2112: The engine computer commanded the electronic throttle to open but saw it stay more closed than expected

P2118 throttle actuator motor current

Toyota bulletin T-TT-0321-15 covers the check engine light with P2118, a throttle actuator motor current range or performance code, on Camry, Camry Hybrid and RAV4 models. The summary does not give the repair. Check the throttle body and its wiring first. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2118: Throttle motor drawing the wrong amount of current

P2195 with lean codes on the Camry

Toyota bulletin 061-05 groups P2195 with other lean-running codes on the 2005 to 2006 Camry and Camry Solara and lights the check engine light. Check for air leaks and fuel delivery first. We only read the NHTSA summary, not the bulletin itself. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2195: The upstream oxygen or air-fuel sensor on bank 1 reports a mixture that looks stuck lean or not believable

P2197 with an air-fuel sensor stuck lean

Toyota bulletin T-SB-0001-10 names P2197 as an air-fuel sensor signal stuck lean on the 2009 Sienna and other models. It says the code may appear with the sensor heater codes and may be caused by incorrect air-fuel ratio sensor response. We read only the NHTSA summary. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2197: The upstream oxygen or air-fuel sensor on bank 2 is stuck reading lean, or its signal does not make sense

P2197 read as a faulty bank 2 oxygen sensor

A 2007 Toyota Avalon owner told NHTSA that a parts-store scan showed P2197 and that they were told it means a faulty bank 2 oxygen sensor. The check engine, traction and stability lights were lit, and the owner cites Toyota bulletin T-SB-0114-08. We did not read that bulletin. The source is owner reports, not a verified repair.

P2197: The upstream oxygen or air-fuel sensor on bank 2 is stuck reading lean, or its signal does not make sense

P219A on the Corolla and Matrix 2ZR-FE

Toyota bulletin T-SB-0107-14 covers the warning light with P219A, a bank 1 air-fuel ratio imbalance, on 2012 to 2014 Corolla and 2012 to 2013 Matrix models with the 2ZR-FE engine. Toyota publishes a repair procedure for it, but the summary we read does not describe it, so ask a Toyota dealer whether the bulletin applies before buying parts. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P219A: The engine computer has detected that the cylinders on bank 1 are running at noticeably different air-fuel ratios from each other

P219B reduced by revised engine computer logic

Toyota bulletin T-SB-0247-12 revised the engine computer logic to reduce the warning light with P219B on some models, including the 2012 and 2013 Camry. Ask a dealer to check for the update before replacing sensors. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P219B: The engine computer has detected that one or more cylinders on bank 2 are running a noticeably different air-fuel mixture from the others

P219C and P219D on the 1GR-FE engine

Toyota T-SB-0055-15 covers a check engine light with P219C and P219D and related codes on some Toyota trucks with the 1GR-FE engine. The NHTSA summary says to follow the repair procedure but does not describe it. Ask a dealer for the procedure and check for other stored codes first. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P219E among cylinder imbalance codes

Toyota bulletin T-SB-0055-15 covers the MIL on with a range of imbalance codes including P219E on the 2015 Tacoma with the 1GR-FE engine. We only read the NHTSA summary, so it gives no cause or fix. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P219E: Cylinder 3 air-fuel ratio imbalance

P2402 and the leak detection pump on the 2005 Sequoia

Toyota bulletin 01505 covers the check engine light with P2402 and other canister pump module codes on the 2005 Sequoia, and Toyota describes the code as the leak detection pump stuck on. The summary gives no cause or fix. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2402: EVAP leak detection pump control circuit high

P2433 with failed air injection pumps

One 2012 Tundra owner complaint reports P2433 with failed air injection pumps and limp mode at 137,000 miles. It is a single complaint as filed by the owner. The source is owner reports, not a confirmed fault pattern, so this is labelled vehicle data.

P2433: Secondary air system pressure or flow sensor circuit reading too high (bank 1)

P2433 with limp mode and the traction control light

A 2012 Toyota Tacoma owner complaint to NHTSA lists P2433 along with several other codes, with limp mode and the traction control light on. The text is as filed by the owner and is not verified by NHTSA. The source is an owner report to NHTSA, so this is labelled vehicle data rather than confirmed by bulletin.

P2433: Secondary air system pressure or flow sensor circuit reading too high (bank 1)

P2440 from secondary air system contamination on the 4.7L V8

Toyota bulletin T-SB-0230-12 Rev covers P2440 among several secondary air injection codes on the 4.7L 2UZ-FE V8 in some 2005 to 2009 4Runner, Land Cruiser, Sequoia and Tundra models. Toyota puts these down to contamination in the air system. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2440: Secondary air switching valve stuck open (bank 1)

P2440 and P2442 from moisture in the air injection pump

Toyota bulletin T-SB-0333-17 links P2440 and P2442 on the 2012 Tacoma with the 1GR-FE engine to moisture getting into the air injection pump. Our notes also mention a damaged pump filter, so check the pump and its filter for water first. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2442 from ice or debris in the air switching valve

Toyota bulletin T-SB-0143-14 links P2442 on 2012 to 2013 Sequoia and Tundra with the 5.7L 3UR engine to debris or ice in the air switching valve, and changes the ECM logic to reduce it. Our notes add that some later Tundra engines can go into limp mode in sub-freezing weather. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2442: Secondary air switching valve stuck open (bank 2)

P2443 with limp mode on a 2008 Tundra

A NHTSA complaint for a 2008 Tundra quotes P2443 as a switching valve stuck closed on bank 2 of the air injection system. The truck went into limp mode with little power, and the dealer quoted a fix for two pumps or a switching valve. No bulletin was found in our local data. The source is owner reports, not a bulletin.

P2443: Secondary air injection switching valve stuck closed, bank 2

P2443 read as a secondary air injection valve stuck closed

Owner complaints on 2012 to 2014 Toyota Tacoma read P2443 as the secondary air injection switching valve stuck closed, with traction and check engine lights and reduced power. One report says it failed again after a new pump. No bulletin was found in the local cache. The source is owner reports, so it is labelled vehicle data rather than confirmed by bulletin.

P2443: Secondary air injection switching valve stuck closed, bank 2

P2445 fixed by an engine computer logic change

Toyota bulletin T-SB-0024-13 covers some 2012 and 2013 Sequoia and Tundra models with the 3UR-FBE engine that set P2445 with the light on. The summary says the engine computer logic was modified. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2445: Secondary air pump not running when commanded (bank 1)

P2445 among secondary air injection codes

Toyota bulletin T-SB-0230-12 Rev says some 4Runner, Land Cruiser, Sequoia and Tundra models with the 4.7 L 2UZ-FE engine set a group of secondary air injection codes that includes P2445. We only read the summary, so the repair is not stated here. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2445: Secondary air pump not running when commanded (bank 1)

P2450 read as a stuck switching valve actuator

One owner of a 2024 Toyota Tundra reports a readout naming P2450 as an evaporative emissions switching valve actuator stuck on or open. This is a single complaint as filed by the owner and has not been verified by NHTSA. There is no bulletin. The source is owner reports, not a confirmed repair.

P2450: EVAP switching valve (fuel tank isolation valve) not working as commanded

P2610 fixed by modified ECM logic on the Prius V

Toyota bulletin T-SB-0087-16 modifies the ECM logic for P2610 on the 2014 to 2016 Prius V, and the vehicle note says related bulletins cover the 2014 to 2015 Highlander. Check for a software update before replacing parts. Only the NHTSA summary was read, not the bulletin itself. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2610: The engine computer internal engine-off timer is not performing as expected

P2645 blamed on computer software

One NHTSA owner complaint on a 2014 Toyota Corolla says a Toyota representative blamed computer software, saying it needed an update or reboot, with P2645 documented. It is a single owner report, so it needs testing to confirm. The source is owner reports, not a diagnosis.

P2645: The engine computer sees an open circuit in the rocker arm actuator A (bank 1)

P2646 fixed by a revised engine computer calibration

Toyota T-SB-0011-14 revises the engine computer calibration on the 2014 Corolla with the 2ZR-FAE engine for P2646 and a related code. One is titled rocker arm actuator system performance or stuck off, bank 1. Only the NHTSA summary was read. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2646: Variable valve rocker arm not working as commanded (bank 1)

P2646 from the Valvematic system

Toyota bulletin T-SB-0098-19 covers the check engine light with P2646 and related Valvematic codes on the 2018 to 2019 C-HR (3ZR-FAE) and 2020 Corolla (2ZR-FAE). Toyota says to follow the repair procedure in the bulletin. Check the oil level and condition first. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2646: Variable valve rocker arm not working as commanded (bank 1)

P2681 from a leaking flow shut-off valve

Toyota support program 24TE04 covers a flow shut-off valve on some Toyota models that can leak a little coolant, drip on other parts, show Maintenance Required or stop the A/C working normally, and the repair is a new valve. The program does not list a code, but our notes pair it with bulletin T-SB-0112-24 for P2681, and owners report cracked valves. Ask a dealer to check the VIN before paying for a valve. We have not confirmed the program is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2681: Engine coolant bypass valve A control circuit open or out of range

P26CB from the electric water pump on the Camry

Toyota T-SB-0323-17 covers P26CB on some 2018 four-cylinder Camry models, an electric water pump speed stuck fault, and Toyota revised the engine computer logic for it. Owners also report failed electric water pumps with coolant loss and high-temperature warnings. Check the coolant level first. The bulletin is published on NHTSA, but we have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P26CB: Electric engine coolant pump not performing as commanded, or stuck off

P26CB or a coolant leak from the electric water pump

Toyota T-TT-0614-20 says some 2020 models with the A25A-FKS or A25A-FXS engine may show a warning light with P26CB or a coolant leak from the electric water pump body or connector. Owners report the pump failing and overheating. Check for a coolant leak at the pump and watch the temperature gauge. We only read the NHTSA summary, not the full bulletin. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P26CB: Electric engine coolant pump not performing as commanded, or stuck off

P2713 with slipping or no forward motion on the Highlander

Two Highlander owners, with 2018 and 2019 models and the 8-speed transmission, report P2713 with other solenoid codes, slipping or a weak launch, and a replacement quote. One car stopped moving forward on a highway, and two shops reported an internal failure with burnt fluid. The source is owner reports, which are not verified.

P2713: Transmission pressure control solenoid D fault

P2713 with slipping and metal in the fluid

The source is an NHTSA owner complaint about a 2020 RAV4. The owner quotes a shop diagnosis of P2713 along with other transmission codes, slipping, black fluid and metal debris. This is an owner report only, and it needs testing to confirm the cause.

P2713: Transmission pressure control solenoid D fault

P2714 with slipping from internal clutch damage

Toyota bulletin T-SB-0170-09 links slipping and the check engine light with P2714 and other shift codes on 2007 to 2009 Tundra and 2008 to 2009 Sequoia to damage to an internal clutch. Check the fluid level and condition first. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2714: Pressure control solenoid D is not working or stuck off

P2716 with harsh shifts on the 2005 Corolla and Matrix

Toyota bulletin 01406 covers harsh shifts with the check engine light and P2716 on the 2005 Corolla and Matrix. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2716: Electrical fault in the pressure control solenoid D circuit

P2716 on the 2007 Camry fixed by a calibration update

Toyota bulletin 01506 is a transmission computer calibration update for the warning light with P2716 on the 2007 Camry. Ask a Toyota dealer whether the update has been done before replacing solenoids. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2716: Electrical fault in the pressure control solenoid D circuit

P2757 on CVT Corollas

Toyota bulletin T-SB-0150-16 covers a warning light with P2757, a torque converter clutch pressure control solenoid performance fault, on 2014 to 2019 Corollas with a CVT. It gives a repair procedure, so ask a dealer to follow it before replacing the transmission. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2757: Torque converter clutch pressure control solenoid performance or stuck off

P2817 with other pressure solenoid codes

A 2018 Toyota Highlander owner complaint to NHTSA lists P2817 read as a pressure control solenoid H performance or stuck off fault, alongside other stored codes. It is a single report. The source is owner reports, not a bulletin.

P2817: Pressure control solenoid H performance or stuck off fault in an automatic transmission

P2820 on a pressure control solenoid

Toyota bulletin T-SB-0289-17, with a matching Scion bulletin S-SB-0002-18, covers some 2014 to 2017 Corolla and 2017 iM models showing the check engine light with P2820, a pressure control solenoid performance condition. The engine computer logic has been updated to prevent it. We only read the NHTSA summary. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P2820: Pressure control solenoid J performance or stuck off fault in an automatic transmission

P2820 with a pressure control solenoid and CVT fault

Owners of 2018 to 2020 Corollas report P2820 with another code, read by the dealer as pressure control solenoid J performance, and two dealers called the CVT faulty. This needs testing to confirm, and the source is owner reports.

P2820: Pressure control solenoid J performance or stuck off fault in an automatic transmission

P2C90 with limp mode and driver aids off on the GR Corolla

NHTSA complaints from owners of the 2025 Toyota GR Corolla report P2C90, a crankcase ventilation code, with limp mode and safety systems and all-wheel drive dropping out until a restart. Dealers inspected the ventilation system and found nothing to repair, and one owner says the code returned after a software update. The source is owner reports, not a bulletin or a confirmed repair.

P2C90: Crankcase ventilation hose A disconnected

P3190 from a purge valve line that has separated

Toyota T-SB-0041-15 describes a Poor Engine Power fault. With P3190 or related codes, it says the cause is a purge VSV or PCV line separating from the throttle body, fixed with a new purge VSV and an engine computer update. It covers the 2010 to 2013 Prius and 2012 to 2013 Prius V. We only read the NHTSA summary. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P3190: Poor engine power on Toyota and Lexus hybrids

P3190 with the hybrid system lamps on

Toyota bulletin EG027-04 covers a warning lamp with P3190 on the 2004 to 2005 Prius, and other Toyota bulletins list the code with the hybrid, master warning and check engine lights on the 2001 to 2005 Prius. The summary gives no cause or fix. Only the NHTSA summary was read, not the bulletin itself. Have the hybrid system checked by a shop equipped for it. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P3190: Poor engine power on Toyota and Lexus hybrids

P3190 with poor engine power at altitude and heat

Toyota bulletin T-SB-0056-18 names P3190 as poor engine power on 2017 to 2018 Highlander Hybrid models in high altitude and high temperature, and says the engine computer logic was changed. We only read the NHTSA summary. Check whether the engine computer has the updated software first. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P3190: Poor engine power on Toyota and Lexus hybrids

P3191 with related engine-start codes on the Prius

Toyota bulletin T-SB-0041-15 defines P3191 as engine does not start. It says the check engine light may come on with a related code on the 2010 to 2013 Prius and 2012 to 2013 Prius v because the purge VSV and PCV line separates from the throttle body. The repair it gives is to replace the purge VSV and reprogram the ECM. The summary we read is from NHTSA only, not the full bulletin. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

P3191: On Toyota hybrids, the engine did not start when the hybrid system asked it to

U0126 with an ABS actuator pump replacement

A 2010 Toyota Sienna owner complaint to NHTSA says the dealer gave U0126, lost communication codes, and said the ABS actuator pump had to be replaced. The owner says others report the same problem. The ABS is a safety system, so have it inspected rather than repaired at home. The source is an owner report to NHTSA, so this is labelled vehicle data rather than confirmed by bulletin.

U0126: A module on the network stopped hearing the steering angle sensor

U0129 with ABS and 4WD lights on the Tundra

Toyota bulletin TSB-0325-08 covers the ABS, brake or 4WD light or check engine light with U0129 and another code on the 2007 to 2008 Tundra. The summary says to replace the brake actuator assembly. This is a brake system, so have it inspected by a qualified shop rather than repairing it yourself. We only read the NHTSA summary, not the bulletin itself. We have not confirmed the bulletin is still current, so this is labelled vehicle data rather than confirmed by bulletin.

U0129: U0129 is a generic network code: a module on the vehicle network lost communication with the brake control module (ABS or stability module), usually stored by the engine, body or instrument computer

U0129 with a traction light and engine revving

One owner told NHTSA that dealer codes including U0129 came with a traction light and the engine revving with the brake pedal pressed, then the car jerked forward at a stop. This is an owner report, not a bulletin. Brakes and traction control are safety systems, so have the vehicle inspected. The source is owner complaints, so it is labelled vehicle data rather than confirmed by bulletin.

U0129: U0129 is a generic network code: a module on the vehicle network lost communication with the brake control module (ABS or stability module), usually stored by the engine, body or instrument computer

U0129 with brake, ABS and steering warnings

A 2017 Toyota Corolla owner told NHTSA (ODI 11139911) that the red brake light, ABS, VSC, power steering and check engine lights came on with U0129. This is a brake system, so have it inspected by a qualified shop rather than repairing it yourself. The source is owner reports, not a bulletin. It needs testing to confirm.

U0129: U0129 is a generic network code: a module on the vehicle network lost communication with the brake control module (ABS or stability module), usually stored by the engine, body or instrument computer

U0293 with a sudden loss of power on the Prius v

One owner of a 2014 Toyota Prius v reports the car losing power and going dead at about 20 mph. A dealer recorded U0293 for lost communication with the hybrid vehicle control system, along with other lost-communication codes. The cause was not found, so this needs testing to confirm. Losing power while driving is a safety problem, so have it inspected by a qualified shop. The source is owner reports, a single complaint that NHTSA has not verified, so it is labelled vehicle data rather than confirmed.

U0293: A module lost communication with the hybrid or EV powertrain control module on the vehicle network

B0111: Side airbag firing circuit open (Toyota, Lexus)

Severity: Inspect soon Full B0111 guide

4Runner 2006–2008 · Supported by vehicle data · 1 bulletin
Sienna 2004–2009 · Supported by vehicle data · 2 bulletins

B0116: Side airbag firing circuit open (Toyota)

Severity: Inspect soon Full B0116 guide

Sienna 2004–2008 · Supported by vehicle data · 2 bulletins

B1650: Occupant detection/classification system malfunction (Subaru, Toyota)

Severity: Inspect soon Full B1650 guide

Highlander 2004 · Supported by vehicle data · 1 bulletin

B1801: Driver airbag (D squib) circuit open (Toyota)

Severity: Inspect soon Full B1801 guide

Camry 2008 · Supported by vehicle data
RAV4 2007–2008 · Supported by vehicle data

B1821: Open side airbag (squib) circuit, driver seat side (Toyota)

Severity: Inspect soon Full B1821 guide

Camry 2004–2006 · Supported by vehicle data
Camry Solara 2004–2008 · Supported by vehicle data · 1 bulletin
Prius 2006 · Supported by vehicle data
Sienna 2011–2012 · Supported by vehicle data · 1 bulletin

C0210: Right rear wheel speed sensor circuit or signal fault

Severity: Inspect soon Full C0210 guide

RAV4 2006 · Supported by vehicle data · 1 bulletin
Yaris 2007–2008 · Supported by vehicle data · 1 bulletin

C0215: Left rear wheel speed sensor circuit fault (Toyota)

Severity: Inspect soon Full C0215 guide

RAV4 2006 · Supported by vehicle data · 1 bulletin
Yaris 2007–2008 · Supported by vehicle data · 1 bulletin

C1201: Toyota engine control communication fault reported by the skid control system

Severity: Inspect soon Full C1201 guide

Tundra 2008–2010 · Supported by vehicle data
Venza 2013 · Supported by vehicle data

C1203: Skid control ECU to engine computer communication malfunction (Toyota)

Severity: Inspect soon Full C1203 guide

4Runner 2003 · Supported by vehicle data · 1 bulletin
Sequoia 2002–2004 · Supported by vehicle data · 1 bulletin
Tundra 2010 · Supported by vehicle data

C1223: ABS control system malfunction seen by stability control (Toyota)

Severity: Inspect soon Full C1223 guide

Sequoia 2003–2005 · Supported by vehicle data

C1231: Toyota skid control (ABS/VSC) fault, tied to the steering angle sensor input

Severity: Inspect soon Full C1231 guide

Camry 2009–2011 · Supported by vehicle data · 1 bulletin
Sequoia 2001–2003 · Supported by vehicle data · 1 bulletin

C1241: Low or high power supply voltage to the skid control (ABS/VSC) ECU (Toyota)

Severity: Inspect soon Full C1241 guide

Highlander 2006–2011 · Supported by vehicle data
Prius 2010–2014 · Supported by vehicle data
Sequoia 2002–2003 · Supported by vehicle data

C1247: Brake pedal stroke sensor fault (Toyota)

Severity: Inspect soon Full C1247 guide

Camry 2007–2011 · Supported by vehicle data · 1 bulletin
Prius 2004–2009 · Supported by vehicle data · 1 bulletin
Sequoia 2003–2005 · Supported by vehicle data · 1 bulletin

C1252: Hybrid brake booster or actuator fault (Toyota, Lexus) or vacuum pump control circuit (Chrysler, Jeep, Ram)

Severity: Inspect soon Full C1252 guide

Camry 2007–2014 · Supported by vehicle data · 2 bulletins
Highlander 2006–2019 · Supported by vehicle data · 5 bulletins
Prius 2004–2015 · Supported by vehicle data · 2 bulletins
Prius C 2012–2017 · Supported by vehicle data · 2 bulletins
Prius V 2012–2018 · Supported by vehicle data · 4 bulletins

C1253: Hybrid brake booster or actuator fault, internal brake fluid leak (Toyota, Lexus)

Severity: Inspect soon Full C1253 guide

Camry 2007–2014 · Supported by vehicle data · 2 bulletins
Highlander 2006–2019 · Supported by vehicle data · 5 bulletins
Prius 2004–2015 · Supported by vehicle data · 2 bulletins
Prius C 2012–2017 · Supported by vehicle data · 2 bulletins
Prius V 2012–2018 · Supported by vehicle data · 4 bulletins

C1256: Hybrid brake booster or actuator fault, internal brake fluid leak (Toyota, Lexus)

Severity: Inspect soon Full C1256 guide

Camry 2007–2014 · Supported by vehicle data · 2 bulletins
Highlander 2006–2019 · Supported by vehicle data · 5 bulletins
Prius 2004–2015 · Supported by vehicle data · 2 bulletins
Prius C 2012–2017 · Supported by vehicle data · 2 bulletins
Prius V 2012–2018 · Supported by vehicle data · 4 bulletins

C1300: ABS / skid control ECU malfunction (Toyota)

Severity: Stop Full C1300 guide

Camry 2019 · Supported by vehicle data
Prius 2005–2008 · Supported by vehicle data

C1310: Toyota active brake booster solenoid fault

Severity: Inspect soon Full C1310 guide

Sequoia 2003–2005 · Supported by vehicle data · 1 bulletin

C1345: Brake linear solenoid valve offset learning not done (Toyota)

Severity: Severity not verified Full C1345 guide

Highlander 2006–2008 · Supported by vehicle data
Prius 2013–2014 · Supported by vehicle data

C1391: Hybrid brake booster or actuator fault, internal brake fluid leak (Toyota, Lexus)

Severity: Inspect soon Full C1391 guide

Camry 2007–2014 · Supported by vehicle data · 2 bulletins
Highlander 2006–2019 · Supported by vehicle data · 5 bulletins
Prius 2004–2015 · Supported by vehicle data · 2 bulletins
Prius C 2012–2017 · Supported by vehicle data · 2 bulletins
Prius V 2012–2018 · Supported by vehicle data · 4 bulletins

P0012: Intake camshaft timing behind target (bank 1)

Severity: Inspect soon Full P0012 guide

Corolla 2005–2007 · Supported by vehicle data · 1 bulletin
Corolla Matrix 2005–2007 · Supported by vehicle data · 1 bulletin

P0121: The throttle position sensor A signal doesn't agree with what the engine computer expects, even though the voltage is within range

Severity: Inspect soon Full P0121 guide

Corolla Matrix 2009 · Supported by vehicle data

P0136: Rear oxygen sensor circuit fault (bank 1, sensor 2)

Severity: Monitor Full P0136 guide

Prius 2004–2013 · Supported by vehicle data · 1 bulletin
Tacoma 2002 · Supported by vehicle data · 1 bulletin
Camry 2004 · Possible — needs testing

P0142: The bank 1 sensor 3 oxygen sensor circuit is giving the computer a signal outside what it expects

Severity: Severity not verified Full P0142 guide

Camry 2003–2004 · Supported by vehicle data · 1 bulletin

P0155: Heater circuit fault on the upstream oxygen sensor on the second bank of cylinders (bank 2, sensor 1)

Severity: Monitor Full P0155 guide

Sequoia 2001–2002 · Supported by vehicle data · 1 bulletin

P0156: The oxygen sensor after the catalytic converter on bank 2 (sensor 2) has a circuit fault

Severity: Monitor Full P0156 guide

4Runner 2003–2004 · Supported by vehicle data · 1 bulletin
Land Cruiser 2004–2005 · Supported by vehicle data · 1 bulletin

P0158: Oxygen sensor signal voltage reads too high, bank 2 sensor 2

Severity: Monitor Full P0158 guide

Camry 2005–2010 · Supported by vehicle data · 1 bulletin

P0333: Knock sensor 2 circuit fault on bank 2 (the side of the engine away from cylinder 1)

Severity: Monitor Full P0333 guide

Tacoma 2005–2014 · Supported by vehicle data

P0335: Crankshaft position sensor A circuit fault

Severity: Inspect soon Full P0335 guide

Camry 2007–2011 · Supported by vehicle data · 1 bulletin
Tacoma 2016–2017 · Supported by vehicle data

P0346: The bank 2 camshaft position sensor A signal is out of range or not behaving as expected

Severity: Severity not verified Full P0346 guide

Sienna 2004 · Supported by vehicle data · 1 bulletin

P0351: Ignition coil A primary or secondary circuit fault

Severity: Inspect soon Full P0351 guide

Camry 2007 · Supported by vehicle data · 1 bulletin

P0352: Ignition coil B primary or secondary circuit fault

Severity: Inspect soon Full P0352 guide

Camry 2007 · Supported by vehicle data · 1 bulletin

P0353: Ignition coil C primary or secondary circuit fault

Severity: Inspect soon Full P0353 guide

Camry 2007 · Supported by vehicle data · 1 bulletin

P0354: Ignition coil D primary or secondary circuit fault

Severity: Inspect soon Full P0354 guide

Camry 2007 · Supported by vehicle data · 1 bulletin

P0356: Ignition coil F primary or secondary circuit fault (the coil for cylinder 6 on most engines)

Severity: Inspect soon Full P0356 guide

Highlander 2006 · Supported by vehicle data · 1 bulletin

P0401: Exhaust gas recirculation (EGR) flow insufficient detected

Severity: Monitor Full P0401 guide

Prius 2010–2012 · Supported by vehicle data · 1 bulletin

P0418: Secondary air pump relay A circuit fault

Severity: Inspect soon Full P0418 guide

Sequoia 2005–2008 · Supported by vehicle data · 3 bulletins
Tundra 2005–2008 · Supported by vehicle data · 4 bulletins

P043E: EVAP reference orifice flow too low

Severity: Monitor Full P043E guide

RAV4 2006–2010 · Supported by vehicle data · 1 bulletin

P0500: Vehicle speed sensor signal missing or not believable

Severity: Inspect soon Full P0500 guide

Camry 2002–2003 · Supported by vehicle data · 1 bulletin

P0505: Idle air control system malfunction

Severity: Monitor Full P0505 guide

Camry 2007–2010 · Supported by vehicle data · 1 bulletin

P0552: The power steering pressure sensor signal is lower than the computer expects.

Severity: Inspect soon Full P0552 guide

Land Cruiser 2008 · Supported by vehicle data · 1 bulletin
Sequoia 2008 · Supported by vehicle data · 1 bulletin
Tundra 2007–2008 · Supported by vehicle data · 1 bulletin

P0553: The power steering pressure sensor signal is higher than the computer expects.

Severity: Inspect soon Full P0553 guide

Land Cruiser 2008 · Supported by vehicle data · 1 bulletin
Sequoia 2008 · Supported by vehicle data · 1 bulletin
Tundra 2007–2008 · Supported by vehicle data · 1 bulletin

P0604: Internal memory (RAM) fault inside the engine or powertrain control module

Severity: Inspect soon Full P0604 guide

Camry 2003–2004 · Supported by vehicle data · 1 bulletin

P0705: Fault in the transmission range sensor circuit (gear selector position input)

Severity: Inspect soon Full P0705 guide

Tacoma 2005–2009 · Supported by vehicle data · 1 bulletin

P0729: Gear 6 incorrect ratio

Severity: Inspect soon Full P0729 guide

Tundra 2007–2009 · Supported by vehicle data · 1 bulletin

P0750: Shift solenoid A circuit malfunction

Severity: Inspect soon Full P0750 guide

RAV4 2001–2003 · Supported by vehicle data · 1 bulletin

P0751: Shift solenoid A performance or stuck off

Severity: Inspect soon Full P0751 guide

Tundra 2007–2009 · Supported by vehicle data · 1 bulletin

P0755: Shift solenoid B circuit or operation fault

Severity: Inspect soon Full P0755 guide

RAV4 2001–2003 · Supported by vehicle data · 2 bulletins

P0758: Shift solenoid B electrical fault

Severity: Inspect soon Full P0758 guide

RAV4 2001–2003 · Supported by vehicle data · 1 bulletin

P0770: Shift solenoid E malfunction

Severity: Inspect soon Full P0770 guide

Corolla 2003 · Supported by vehicle data · 1 bulletin
Tacoma 2002 · Supported by vehicle data · 1 bulletin
Tundra 2002 · Supported by vehicle data · 1 bulletin

P0775: Pressure control solenoid B malfunction

Severity: Inspect soon Full P0775 guide

Highlander 2017–2018 · Supported by vehicle data · 1 bulletin

P0894: A transmission component is slipping: rotating parts are turning slower than the computer expects

Severity: Severity not verified Full P0894 guide

Land Cruiser 2008–2011 · Supported by vehicle data · 1 bulletin
Tundra 2007–2009 · Supported by vehicle data · 1 bulletin

P0A08: The computer sees an open circuit on the status line from the DC/DC converter

Severity: Inspect soon Full P0A08 guide

Highlander 2006 · Supported by vehicle data
Prius 2012 · Supported by vehicle data

P0A0F: The hybrid computer commanded the gasoline engine to start and the engine did not start

Severity: Inspect soon Full P0A0F guide

Prius 2010–2013 · Supported by vehicle data · 2 bulletins
Prius V 2012–2016 · Supported by vehicle data · 2 bulletins

P0A1F: The battery energy control module, the computer that manages the high-voltage battery, has set an internal fault

Severity: Inspect soon Full P0A1F guide

Prius 2004–2009 · Supported by vehicle data · 1 bulletin

P0A78: The inverter that powers hybrid drive motor A is not performing as expected

Severity: Inspect soon Full P0A78 guide

Prius 2010–2015 · Supported by vehicle data · 2 bulletins
Prius V 2012–2017 · Supported by vehicle data · 2 bulletins

P0A7A: The generator inverter is not performing as expected, or its fail signal looks wrong

Severity: Inspect soon Full P0A7A guide

Avalon 2012–2016 · Supported by vehicle data · 1 bulletin
Camry 2012–2016 · Supported by vehicle data · 1 bulletin
Prius 2010–2015 · Supported by vehicle data · 2 bulletins
Prius V 2012–2017 · Supported by vehicle data · 2 bulletins
RAV4 2012–2016 · Supported by vehicle data · 1 bulletin

P0A7F: The hybrid battery pack is worn or one of its modules has deteriorated

Severity: Inspect soon Full P0A7F guide

Camry 2007–2016 · Supported by vehicle data · 5 bulletins
Prius 2004–2020 · Supported by vehicle data · 3 bulletins
Prius V 2012–2020 · Supported by vehicle data · 2 bulletins

P0A80: Hybrid battery pack flagged for replacement

Severity: Inspect soon Full P0A80 guide

Avalon 2013–2016 · Supported by vehicle data · 1 bulletin
Camry 2007–2016 · Supported by vehicle data · 5 bulletins
Prius 2004–2015 · Supported by vehicle data · 3 bulletins
Prius C 2012–2017 · Supported by vehicle data · 2 bulletins
Prius V 2012–2016 · Supported by vehicle data · 2 bulletins

P0A93: Hybrid inverter cooling system performance problem

Severity: Severity not verified Full P0A93 guide

Highlander 2006 · Supported by vehicle data
Prius 2004–2005 · Supported by vehicle data

P0A94: The hybrid system has detected a performance fault in the DC/DC converter inside the inverter assembly

Severity: Inspect soon Full P0A94 guide

Prius 2010–2015 · Supported by vehicle data · 5 bulletins
Prius C 2012–2014 · Supported by vehicle data
Prius V 2012–2017 · Supported by vehicle data · 3 bulletins

P0AA6: The hybrid computer has detected high voltage leaking to the vehicle body

Severity: Inspect soon Full P0AA6 guide

Prius 2004–2015 · Supported by vehicle data · 1 bulletin
RAV4 2019–2021 · Supported by vehicle data · 1 bulletin

P107B: On Toyota and Lexus hybrids, fuel rail pressure sensor B reads out of range

Severity: Severity not verified Full P107B guide

Highlander 2018–2019 · Supported by vehicle data · 1 bulletin

P1440: On Honda and Acura hybrids, motor power inverter module output circuit malfunction; on Toyota, secondary air injection control valve circuit, bank 1

Severity: Inspect soon Full P1440 guide

4Runner 2005–2009 · Supported by vehicle data · 1 bulletin
Land Cruiser 2006–2007 · Supported by vehicle data · 1 bulletin
Sequoia 2005–2007 · Supported by vehicle data · 1 bulletin
Tundra 2005–2006 · Supported by vehicle data · 1 bulletin

P1442: On Toyota, secondary air injection switching valve No. 2 stuck closed (bank 1)

Severity: Severity not verified Full P1442 guide

4Runner 2005–2009 · Supported by vehicle data · 1 bulletin
Land Cruiser 2006–2007 · Supported by vehicle data · 1 bulletin
Sequoia 2005–2007 · Supported by vehicle data · 1 bulletin
Tundra 2005–2006 · Supported by vehicle data · 1 bulletin

P1444: Secondary air switching valve No. 2 stuck open (Toyota, Lexus)

Severity: Monitor Full P1444 guide

Sequoia 2005–2007 · Supported by vehicle data · 1 bulletin
Tundra 2005–2006 · Supported by vehicle data · 1 bulletin

P1445: On Toyota, secondary air switching valve No. 2 stuck closed (bank 2)

Severity: Severity not verified Full P1445 guide

4Runner 2005–2009 · Supported by vehicle data · 1 bulletin
Land Cruiser 2006–2007 · Supported by vehicle data · 1 bulletin
Sequoia 2005–2007 · Supported by vehicle data · 1 bulletin
Tundra 2005–2006 · Supported by vehicle data · 1 bulletin

P1603: Engine stall history (Toyota)

Severity: Inspect soon Full P1603 guide

Highlander 2014–2018 · Supported by vehicle data · 1 bulletin
RAV4 2018 · Possible — needs testing

P1604: Startability malfunction (Toyota and Subaru)

Severity: Inspect soon Full P1604 guide

Highlander 2014–2018 · Supported by vehicle data · 1 bulletin
Sequoia 2009–2018 · Supported by vehicle data · 1 bulletin
Tundra 2009–2019 · Supported by vehicle data · 1 bulletin

P1605: Rough idling (Toyota)

Severity: Inspect soon Full P1605 guide

Highlander 2014–2018 · Supported by vehicle data · 1 bulletin
Sequoia 2012–2015 · Supported by vehicle data · 1 bulletin
Tundra 2012–2015 · Supported by vehicle data · 1 bulletin
RAV4 2015–2018 · Possible — needs testing

P2103: The computer sees a high voltage condition in the circuit that drives the throttle motor

Severity: Inspect soon Full P2103 guide

Camry 2004–2005 · Supported by vehicle data · 1 bulletin

P2111: The engine computer commanded the electronic throttle to close further but saw it stay more open than expected

Severity: Inspect soon Full P2111 guide

Camry 2007–2011 · Supported by vehicle data · 1 bulletin
Prius 2010–2015 · Supported by vehicle data · 1 bulletin

P2112: The engine computer commanded the electronic throttle to open but saw it stay more closed than expected

Severity: Inspect soon Full P2112 guide

Camry 2004–2005 · Supported by vehicle data · 1 bulletin

P2118: Throttle motor drawing the wrong amount of current

Severity: Inspect soon Full P2118 guide

Camry 2009–2015 · Supported by vehicle data · 1 bulletin

P2195: The upstream oxygen or air-fuel sensor on bank 1 reports a mixture that looks stuck lean or not believable

Severity: Inspect soon Full P2195 guide

Camry 2005–2006 · Supported by vehicle data · 1 bulletin

P2197: The upstream oxygen or air-fuel sensor on bank 2 is stuck reading lean, or its signal does not make sense

Severity: Inspect soon Full P2197 guide

Avalon 2007 · Supported by vehicle data
Sienna 2009 · Supported by vehicle data · 1 bulletin

P219A: The engine computer has detected that the cylinders on bank 1 are running at noticeably different air-fuel ratios from each other

Severity: Inspect soon Full P219A guide

Corolla 2012–2014 · Supported by vehicle data · 1 bulletin

P219B: The engine computer has detected that one or more cylinders on bank 2 are running a noticeably different air-fuel mixture from the others

Severity: Inspect soon Full P219B guide

Camry 2012–2013 · Supported by vehicle data · 1 bulletin

P219C: The engine computer has detected that cylinder 1 is running at a noticeably different air-fuel ratio from the other cylinders

Severity: Severity not verified Full P219C guide

Tacoma 2015 · Supported by vehicle data · 1 bulletin

P219D: The engine computer has detected that cylinder 2 is running at a noticeably different air-fuel ratio from the other cylinders

Severity: Severity not verified Full P219D guide

Tacoma 2015 · Supported by vehicle data · 1 bulletin

P219E: Cylinder 3 air-fuel ratio imbalance

Severity: Severity not verified Full P219E guide

Tacoma 2015 · Supported by vehicle data · 1 bulletin

P2401: Leak detection pump circuit reading low

Severity: Monitor Full P2401 guide

RAV4 2006–2010 · Supported by vehicle data · 1 bulletin

P2402: EVAP leak detection pump control circuit high

Severity: Monitor Full P2402 guide

Sequoia 2005 · Supported by vehicle data · 1 bulletin

P2419: EVAP switching valve circuit reading low

Severity: Monitor Full P2419 guide

RAV4 2006–2010 · Supported by vehicle data · 1 bulletin

P2433: Secondary air system pressure or flow sensor circuit reading too high (bank 1)

Severity: Inspect soon Full P2433 guide

Tacoma 2012 · Supported by vehicle data
Tundra 2012 · Supported by vehicle data

P2440: Secondary air switching valve stuck open (bank 1)

Severity: Monitor Full P2440 guide

4Runner 2005–2009 · Supported by vehicle data · 1 bulletin
Sequoia 2005–2015 · Supported by vehicle data · 4 bulletins
Tacoma 2012 · Supported by vehicle data · 2 bulletins
Tundra 2005–2016 · Supported by vehicle data · 5 bulletins

P2441: Secondary air switching valve stuck closed (bank 1)

Severity: Severity not verified Full P2441 guide

4Runner 2005–2009 · Supported by vehicle data · 1 bulletin

P2442: Secondary air switching valve stuck open (bank 2)

Severity: Monitor Full P2442 guide

Sequoia 2012–2015 · Supported by vehicle data · 3 bulletins
Tacoma 2012 · Supported by vehicle data · 2 bulletins
Tundra 2012–2016 · Supported by vehicle data · 4 bulletins

P2443: Secondary air injection switching valve stuck closed, bank 2

Severity: Severity not verified Full P2443 guide

Tacoma 2012–2014 · Supported by vehicle data
Tundra 2008 · Supported by vehicle data

P2445: Secondary air pump not running when commanded (bank 1)

Severity: Monitor Full P2445 guide

Sequoia 2005–2013 · Supported by vehicle data · 2 bulletins

P2450: EVAP switching valve (fuel tank isolation valve) not working as commanded

Severity: Monitor Full P2450 guide

Tundra 2024 · Supported by vehicle data

P2610: The engine computer internal engine-off timer is not performing as expected

Severity: Monitor Full P2610 guide

Prius V 2014–2016 · Supported by vehicle data · 2 bulletins

P2646: Variable valve rocker arm not working as commanded (bank 1)

Severity: Inspect soon Full P2646 guide

C-HR 2018–2019 · Supported by vehicle data · 1 bulletin
Corolla 2014 · Supported by vehicle data · 1 bulletin

P2681: Engine coolant bypass valve A control circuit open or out of range

Severity: Inspect soon Full P2681 guide

Camry 2018–2021 · Supported by vehicle data · 2 bulletins
Corolla 2019–2021 · Supported by vehicle data · 2 bulletins
RAV4 2019–2021 · Supported by vehicle data · 2 bulletins

P26CB: Electric engine coolant pump not performing as commanded, or stuck off

Severity: Inspect soon Full P26CB guide

Camry 2018–2019 · Supported by vehicle data · 1 bulletin
RAV4 2019–2020 · Supported by vehicle data · 1 bulletin

P2713: Transmission pressure control solenoid D fault

Severity: Severity not verified Full P2713 guide

Highlander 2018–2019 · Supported by vehicle data
RAV4 2020 · Possible — needs testing

P2714: Pressure control solenoid D is not working or stuck off

Severity: Inspect soon Full P2714 guide

Tundra 2007–2009 · Supported by vehicle data · 1 bulletin

P2716: Electrical fault in the pressure control solenoid D circuit

Severity: Inspect soon Full P2716 guide

Camry 2007 · Supported by vehicle data · 1 bulletin
Corolla 2005 · Supported by vehicle data · 1 bulletin

P2757: Torque converter clutch pressure control solenoid performance or stuck off

Severity: Inspect soon Full P2757 guide

Corolla 2014–2019 · Supported by vehicle data · 1 bulletin

P2817: Pressure control solenoid H performance or stuck off fault in an automatic transmission

Severity: Severity not verified Full P2817 guide

Highlander 2018 · Supported by vehicle data

P2820: Pressure control solenoid J performance or stuck off fault in an automatic transmission

Severity: Severity not verified Full P2820 guide

Corolla 2014–2020 · Supported by vehicle data · 1 bulletin
Corolla iM 2014–2017 · Supported by vehicle data · 1 bulletin

P2C90: Crankcase ventilation hose A disconnected

Severity: Inspect soon Full P2C90 guide

GR Corolla 2025 · Supported by vehicle data

P3190: Poor engine power on Toyota and Lexus hybrids

Severity: Inspect soon Full P3190 guide

Highlander 2017–2018 · Supported by vehicle data · 1 bulletin
Prius 2001–2013 · Supported by vehicle data · 4 bulletins

P3191: On Toyota hybrids, the engine did not start when the hybrid system asked it to

Severity: Inspect soon Full P3191 guide

Prius 2001–2013 · Supported by vehicle data · 5 bulletins
Prius V 2012–2013 · Supported by vehicle data · 1 bulletin

U0126: A module on the network stopped hearing the steering angle sensor

Severity: Inspect soon Full U0126 guide

Sienna 2010 · Supported by vehicle data

U0129: U0129 is a generic network code: a module on the vehicle network lost communication with the brake control module (ABS or stability module), usually stored by the engine, body or instrument computer

Severity: Inspect soon Full U0129 guide

Camry 2011 · Supported by vehicle data
Corolla 2017 · Supported by vehicle data
Tundra 2007–2008 · Supported by vehicle data · 1 bulletin

P0607: A control module failed one of its internal performance checks

Severity: Inspect soon Full P0607 guide

Corolla 2005–2008 · Possible — needs testing

P2645: The engine computer sees an open circuit in the rocker arm actuator A (bank 1)

Severity: Severity not verified Full P2645 guide

Corolla 2014 · Possible — needs testing

U0293: A module lost communication with the hybrid or EV powertrain control module on the vehicle network

Severity: Inspect soon Full U0293 guide

Prius V 2014 · Possible — needs testing