What does code P2860 mean?

Q: What does code P2860 mean?

Shift Fork B Actuator Performance. P2860 indicates that the transmission control module (TCM) has detected a performance problem with the actuator that moves shift fork B, which is responsible for engaging one or more gear ranges in an automated manual or dual-clutch transmission. The TCM commands the actuator to a specific position and compares the result against expected values, and when the response is too slow, incomplete, or inconsistent, it stores this code and may illuminate the malfunction indicator lamp.

DTC codes / P28xx · Transmission / P2860

P2860Shift Fork B Actuator Performance

P2860 indicates that the transmission control module (TCM) has detected a performance problem with the actuator that moves shift fork B, which is responsible for engaging one or more gear ranges in an automated manual or dual-clutch transmission. The TCM commands the actuator to a specific position and compares the result against expected values, and when the response is too slow, incomplete, or inconsistent, it stores this code and may illuminate the malfunction indicator lamp.

SystemPowertrain

Code typeGeneric (all makes)

SeverityHigh

Fix difficultyProfessional

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.