P1740 on Honda
Lock-up or overdrive solenoid performance (Dodge) or 4th clutch pressure switch fault (Honda)
Severity: Inspect soon
Both meanings are monitored transmission faults, and on Hondas P1740 comes with a flashing D, which Honda says means a possible transmission problem to have checked as soon as possible.
It gets more serious if:
- Not verified: The transmission indicator flashes "D", or the car goes into limp-home mode (stuck in one gear). Honda says a flashing D means a possible transmission problem and regulations require the light in limp-home mode, but we found no source saying whether you must stop
This page covers only what differs on Honda. For what P1740 means, the ranked causes and the test order, see the P1740 guide.
What's different on Honda
HondaYour car
2002 · Odyssey
Supported by vehicle dataAn owner reports a Honda dealer reading P1740 as a 4th pressure switch failure with a flashing D; a 2004 Pilot owner reports the same reading.
Sources and review
- NHTSA complaint ODI 10418028: 2002 Honda Odyssey dealer code readout
- NHTSA complaint ODI 10447125: 2004 Honda Pilot dealer code readout
- Cal. Code Regs. Tit. 13, § 1968.2 — Malfunction and Diagnostic System Requirements (OBD II)
- Honda owner's manual: Continuously Variable Transmission, shift lever position indicator (p. 166)
- Last reviewed
- Written by
- Saurabh K.
- Editorial review
- Pending
- Technician review
- Technician review pending
This page explains what a code usually means; it is not a substitute for a professional inspection. How we source and review · Report an error