What does code P27BB mean?

Q: What does code P27BB mean?

Pressure Control Solenoid N Electrical. P27BB indicates that the transmission control module has detected an electrical fault in the circuit for pressure control solenoid N, which is one of several shift and line pressure solenoids inside the transmission valve body. The computer monitors the solenoid's commanded current versus actual current flow and sets this code when the circuit resistance is out of range, open, or shorted.

DTC codes / P27xx · Transmission / P27BB

P27BBPressure Control Solenoid N Electrical

P27BB indicates that the transmission control module has detected an electrical fault in the circuit for pressure control solenoid N, which is one of several shift and line pressure solenoids inside the transmission valve body. The computer monitors the solenoid's commanded current versus actual current flow and sets this code when the circuit resistance is out of range, open, or shorted.

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.