What does code P0927 mean?

Q: What does code P0927 mean?

Gear Shift Reverse Actuator Circuit High. P0927 means the transmission control module (TCM) has detected an abnormally high voltage on the electrical circuit that controls the reverse gear shift actuator, which is the solenoid or motor that engages reverse. The TCM monitors the actuator circuit and sets this code when the voltage exceeds the expected range, indicating an open circuit, a short to power, or a faulty actuator.

DTC codes / P09xx · Transmission / P0927

P0927Gear Shift Reverse Actuator Circuit High

P0927 means the transmission control module (TCM) has detected an abnormally high voltage on the electrical circuit that controls the reverse gear shift actuator, which is the solenoid or motor that engages reverse. The TCM monitors the actuator circuit and sets this code when the voltage exceeds the expected range, indicating an open circuit, a short to power, or a faulty actuator.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

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.