What does code P27C7 mean?

Q: What does code P27C7 mean?

Pressure Control Solenoid P Control Circuit Low. P27C7 indicates that the transmission control module (TCM) has detected an abnormally low voltage or current on the control circuit for pressure control solenoid P, which is one of the solenoids that regulates hydraulic pressure inside the automatic transmission. The TCM monitors the circuit and sets this code when the signal falls below the expected range, which can affect shift quality and pressure control.

DTC codes / P27xx · Transmission / P27C7

P27C7Pressure Control Solenoid P Control Circuit Low

P27C7 indicates that the transmission control module (TCM) has detected an abnormally low voltage or current on the control circuit for pressure control solenoid P, which is one of the solenoids that regulates hydraulic pressure inside the automatic transmission. The TCM monitors the circuit and sets this code when the signal falls below the expected range, which can affect shift quality and pressure control.

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.