What does code P2873 mean?

Q: What does code P2873 mean?

Clutch B Pressure Engagement Too High. P2873 indicates that the transmission control module (TCM) has detected clutch B engaging with pressure higher than the commanded or expected value during a shift or engagement event. The computer compares actual hydraulic pressure against its calibrated target and sets the code when the measured pressure exceeds the acceptable threshold.

DTC codes / P28xx · Transmission / P2873

P2873Clutch B Pressure Engagement Too High

P2873 indicates that the transmission control module (TCM) has detected clutch B engaging with pressure higher than the commanded or expected value during a shift or engagement event. The computer compares actual hydraulic pressure against its calibrated target and sets the code when the measured pressure exceeds the acceptable threshold.

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.