What does code P2877 mean?

Q: What does code P2877 mean?

Clutch B Disengagement Time Performance/Too Slow. P2877 is a generic transmission code indicating that the transmission control module (TCM) commanded clutch B to disengage, but the clutch did not release within the expected time window. The TCM monitors clutch B speed or pressure and sets this code when the disengagement is slower than the calibrated threshold, often due to hydraulic or mechanical wear.

DTC codes / P28xx · Transmission / P2877

P2877Clutch B Disengagement Time Performance/Too Slow

P2877 is a generic transmission code indicating that the transmission control module (TCM) commanded clutch B to disengage, but the clutch did not release within the expected time window. The TCM monitors clutch B speed or pressure and sets this code when the disengagement is slower than the calibrated threshold, often due to hydraulic or mechanical wear.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

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.