What does code P2820 mean?

Q: What does code P2820 mean?

Pressure Control Solenoid J Performance/Stuck Off. P2820 indicates that the transmission control module (TCM) has detected a performance fault with pressure control solenoid J, specifically that the solenoid is stuck in the off position or not responding as commanded. The TCM monitors the solenoid's electrical circuit and hydraulic response, and when the expected pressure change does not occur, it sets this code and typically illuminates the check engine light.

DTC codes / P28xx · Transmission / P2820

P2820Pressure Control Solenoid J Performance/Stuck Off

P2820 indicates that the transmission control module (TCM) has detected a performance fault with pressure control solenoid J, specifically that the solenoid is stuck in the off position or not responding as commanded. The TCM monitors the solenoid's electrical circuit and hydraulic response, and when the expected pressure change does not occur, it sets this code and typically illuminates the check engine light.

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.