What does code P27C3 mean?

Q: What does code P27C3 mean?

Pressure Control Solenoid P Electrical. P27C3 indicates that the transmission control module (TCM) has detected an electrical fault in the circuit for pressure control solenoid P, which is used to regulate hydraulic pressure inside the transmission. The TCM monitors the solenoid's electrical current and voltage and sets this code when the readings fall outside the expected range, indicating an open circuit, short to ground, or short to power.

DTC codes / P27xx · Transmission / P27C3

P27C3Pressure Control Solenoid P Electrical

P27C3 indicates that the transmission control module (TCM) has detected an electrical fault in the circuit for pressure control solenoid P, which is used to regulate hydraulic pressure inside the transmission. The TCM monitors the solenoid's electrical current and voltage and sets this code when the readings fall outside the expected range, indicating an open circuit, short to ground, or short to power.

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.