What does code P2889 mean?

Q: What does code P2889 mean?

Park Lock/Pawl Actuator Circuit Low. P2889 means the transmission control module (TCM) has detected a low-voltage condition on the electrical circuit that controls the park lock or park pawl actuator. The TCM expects to see a specific voltage range when commanding the actuator, but the circuit is reading below the minimum threshold, indicating a short to ground, an open circuit, or a faulty actuator.

DTC codes / P28xx · Transmission / P2889

P2889Park Lock/Pawl Actuator Circuit Low

P2889 means the transmission control module (TCM) has detected a low-voltage condition on the electrical circuit that controls the park lock or park pawl actuator. The TCM expects to see a specific voltage range when commanding the actuator, but the circuit is reading below the minimum threshold, indicating a short to ground, an open circuit, 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.