What does code P27BC mean?

Q: What does code P27BC mean?

Pressure Control Solenoid N Intermittent. P27BC indicates that the transmission control module (TCM) has detected an intermittent fault in the electrical circuit for pressure control solenoid N, which is used to regulate hydraulic pressure inside the transmission. The TCM monitors the solenoid's current draw and response, and when the signal drops out or behaves erratically, it stores this code and may illuminate the malfunction indicator lamp (MIL).

DTC codes / P27xx · Transmission / P27BC

P27BCPressure Control Solenoid N Intermittent

P27BC indicates that the transmission control module (TCM) has detected an intermittent fault in the electrical circuit for pressure control solenoid N, which is used to regulate hydraulic pressure inside the transmission. The TCM monitors the solenoid's current draw and response, and when the signal drops out or behaves erratically, it stores this code and may illuminate the malfunction indicator lamp (MIL).

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.