U0415 A module received invalid data from the anti-lock brake (ABS) module

Invalid data received from ABS control module "A"

U0415 in short

U0415 means a module received data from the ABS module that it rejected. The ABS module is talking, but a value such as wheel speed is invalid, often because of a wheel speed sensor, an ABS fault or software. Get it checked soon by a professional; stop if the red brake light comes on.

Wheel speed, brake and stability data from the ABS module feed the engine computer, transmission, power steering, cameras and all-wheel-drive systems. When one of these modules receives an ABS value it cannot trust, it stores U0415.

The module that stored U0415 shows what is affected. GM's 2013-2017 LaCrosse and Regal show "Steering Assist Is Reduced", Ford's 2013-2015 Fusion stores it in the power steering module, and FCA's 2025 Compass stores it in the transmission computer.

Often the ABS module is passing on its own fault. GM replaced moisture-damaged wheel speed sensors on the 2016 Envision, and Mazda lists U0415:92 with an ABS pump motor code on the 2010-2011 Mazda3.

Most likely causes

  1. Wheel speed sensor or its connector

    Supported by vehicle data
    Why it ranks here
    GM's 16-NA-248 replaces internally shorted wheel speed sensors for U0415 with stability and AWD warnings on the 2016 Envision, and ALLDATA traced U0401 in several modules to a damaged wheel speed sensor connector.
    What would change this
    Rises if wheel speed C-codes are stored or one wheel reads wrong in live data. Falls if all wheel speeds agree.

  2. An ABS module or hydraulic unit fault the ABS module is reporting

    Supported by vehicle data
    Why it ranks here
    Mazda lists U0415:92 as an error signal from the ABS unit, together with an ABS pump motor code, on the 2010-2011 Mazda3. GM's PIT5490B pairs U0415 with a master cylinder fluid procedure.
    What would change this
    Rises if ABS C-codes are stored. Falls if the ABS module has no codes of its own.
    How to test the brake system control module (abs module)

  3. Software in the ABS module or the receiving module

    Supported by vehicle data
    Why it ranks here
    FCA updates the transmission computer for U0415 on the 2025 Compass, and Ford says U0415 in the Explorer/Aviator camera module can be set falsely.
    What would change this
    Rises if a dealer finds an update for your VIN. Falls if software is current.

  4. Network wiring or low voltage

    Possible — needs testing
    Why it ranks here
    A general network cause; the bulletins point more often to sensors, ABS faults and software for U0415.
    What would change this
    Rises with lost-communication codes or a weak battery.

What to test first

Start at step 1. Each result tells you what it means and where to go next.

  1. Have all modules scanned, noting which module stored U0415 and any ABS or wheel speed codes.

    Low riskTool: scan tool that reads all modules

  2. Ask a dealer whether your VIN has a bulletin or update for U0415.

    Low risk

  3. Have a shop compare live wheel speeds and check ABS power, ground and network wiring.

    Best left to a shopTool: scan tool with live data, multimeter

    Warning:Brakes and steering are safety-critical. Leave diagnosis and repair to a professional.

Symptoms

  • ABS, traction or stability warning lights
  • "Steering Assist Is Reduced" or a power steering warning
  • Service Trailer Brake or Hill Start Assist Unavailable messages
  • Driver-assist or camera features unavailable
  • Red brake warning with the ABS light, or a brake pedal that feels wrong Gets more serious: stop and have it checked.

How to fix

This is a safety-critical system, so we explain the code but don't give repair steps. Have it inspected by a qualified technician.

Parts and cost context

  • wheel speed sensor:Wheel speed sensors are a common, lower-cost repair, but confirm the faulty one with live data first. Labour varies; get a quote.

Labor varies by vehicle and shop; get a quote before you approve a repair.

Compare used part prices on PartPriceGuide

On your vehicle

Buick

  • 2016 · Envision

    Supported by vehicle data

    GM 16-NA-248 replaces wheel speed sensors damaged by moisture for U0415 with stability and AWD warnings. Whether it is still current is not verified.

  • 2013–2017 · LaCrosse

    Supported by vehicle data

    GM 19NA182: "Steering Assist Is Reduced" with C056D or U0415 (also Regal). Whether it is still current is not verified.

  • 19NA182Status unverified

    "Steering Assist Is Reduced" with C056D or U0415

    2013–2017lacrosse, regal · issued · NHTSA 10165113

    Repair information for reduced steering assist with these codes.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • 16-NA-248Status unverified

    Wheel speed sensor replacement for StabiliTrak, Traction and AWD Disabled messages

    2016envision · issued · NHTSA 10116543

    Replace wheel speed sensors that short internally from moisture and set U0415 and wheel speed codes.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

Ford

  • 2013–2015 · Fusion

    Supported by vehicle data

    Ford ASI-44701: U0415 in the power steering module that returns after clearing (also MKZ). Whether it is still current is not verified.

  • 2020–2021 · Explorer

    Supported by vehicle data

    Ford SSM 49437: U0415 in the camera module may be false on vehicles built on or before 7 Dec 2020 (also Aviator). Whether it is still current is not verified.

  • ASI-44701Status unverified

    PSCM shows U0415 that clears and returns

    2013–2015fusion · issued · NHTSA 10057863

    Service information for Fusion and MKZ whose power steering module stores U0415 again shortly after clearing.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • SSM 49437Status unverified

    False U0415 and/or U3000:42 in the image processing module B

    2020–2021explorer · issued · NHTSA 10186401

    Explorer and Aviator may falsely store these codes with camera display issues or Reverse Brake Assist Unavailable.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

Mazda

  • 2010–2011 · Mazda3

    Supported by vehicle data

    Mazda 04-002-13: ABS light with C0020:1C and U0415:92 on DSC models. Whether it is still current is not verified.

  • 04-002-13-2812Status unverified

    ABS light on with C0020:1C and U0415:92

    2010–2011mazda3 · issued · NHTSA 10097406

    Covers DSC-equipped Mazda3s with the ABS light on and these codes.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

Jeep

  • 2025 · Compass

    Supported by vehicle data

    FCA 21-043-25 updates the transmission computer for U0415-00. Whether it is still current is not verified.

  • 21-043-25Status unverified

    TCM update for U0415-00

    2025compass · issued · NHTSA 11024568

    Updates the transmission computer when the MIL is on with U0415-00 (invalid data from the ABS module).

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • U0121Lost communication with the anti-lock brake (ABS) module

    Same system Possible — needs testing

    U0121 means the ABS module went silent; U0415 means its data was rejected. Both start with the ABS module and its wiring.

  • U3000Manufacturer code: on Ford, Honda, Acura and Mazda, the module that stored it found a fault inside itself

    Shares causes Supported by vehicle data

    Ford's Explorer/Aviator message lists U0415 and U3000:42 together as false codes in the camera module.

  • C0020ABS pump motor control circuit fault

    Shares causes Supported by vehicle data

    Mazda lists U0415:92 together with C0020:1C when the ABS pump motor brush loses contact in heat and humidity on the 2010–2011 Mazda3 with DSC.

All Module network (CAN bus) communication codes

U0415 questions

Why did U0415 turn on my power steering or trailer brake warning?

Those systems use ABS wheel speed data. When the data is rejected, they switch off or reduce their function and warn you.

Sources and review

  1. 2023 Integra Owner's Manual: Indicators — American Honda Motor Co.
  2. Mazda 04-002-13: ABS light on with C0020:1C and U0415:92 — Mazda North American Operations / NHTSA ,
  3. GM 19-NA-182: "Steering Assist Is Reduced" message with C056D or U0415 — General Motors / NHTSA ,
  4. 2023 Integra Owner's Manual: Indicator, Coming On/Blinking — American Honda Motor Co.
  5. GM 16-NA-248: Replace wheel speed sensor for StabiliTrak, traction and AWD disabled messages — General Motors / NHTSA ,
  6. Tech tip: Fusion U0401 DTC won't clear — ALLDATA ,
  7. GM PIT5490B: Service Trailer Brake message with U0415 — General Motors / NHTSA ,
  8. FCA 21-043-25: TCM update for U0415-00 — FCA US LLC / NHTSA ,
  9. Ford SSM 49437: Explorer/Aviator falsely store U0415 and/or U3000:42 in IPMB — Ford Motor Company / NHTSA ,
  10. ASE L1 study guide: Network U-codes — Open Exam Prep
  11. Ford ASI-44701: PSCM shows U0415 that clears and returns — Ford Motor Company / NHTSA ,
Last reviewed
Written by
Saurabh K.
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