What does code P0860 mean?

Q: What does code P0860 mean?

Gear Shift Module Communication Circuit. P0860 indicates that the transmission control module (TCM) has lost or received invalid communication from the gear shift module, which is the electronic shifter assembly that reports the driver's selected gear position. The TCM sets this code when the controller area network (CAN) messages from the gear shift module are missing, corrupted, or outside expected parameters for a calibrated time period.

DTC codes / P08xx · Transmission / P0860

P0860Gear Shift Module Communication Circuit

P0860 indicates that the transmission control module (TCM) has lost or received invalid communication from the gear shift module, which is the electronic shifter assembly that reports the driver's selected gear position. The TCM sets this code when the controller area network (CAN) messages from the gear shift module are missing, corrupted, or outside expected parameters for a calibrated time period.

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.