What does code P0951 mean?

Q: What does code P0951 mean?

Auto Shift Manual Control Circuit Range/Performance. P0951 indicates that the transmission control module (TCM) has detected an out-of-range or performance fault in the electrical circuit for the auto shift manual control, which is the driver-operated gear selection input on automated manual or dual-clutch transmissions. The computer monitors signal voltage or position feedback and sets this code when the signal does not match expected values during key-on or while the driver commands a gear change.

DTC codes / P09xx · Transmission / P0951

P0951Auto Shift Manual Control Circuit Range/Performance

P0951 indicates that the transmission control module (TCM) has detected an out-of-range or performance fault in the electrical circuit for the auto shift manual control, which is the driver-operated gear selection input on automated manual or dual-clutch transmissions. The computer monitors signal voltage or position feedback and sets this code when the signal does not match expected values during key-on or while the driver commands a gear change.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaTransmission

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.