What does code P25D5 mean?

DTC codes / P25xx · Vehicle speed, idle control and auxiliary inputs / P25D5

P25D5Exhaust Camshaft Actuator Park Lock Control Circuit High Bank 2

P25D5 indicates that the powertrain control module (PCM) has detected an abnormally high voltage on the park lock control circuit for the bank 2 exhaust camshaft actuator. This circuit is responsible for locking the camshaft in a fixed position during certain operating conditions, and a high voltage reading typically points to an open circuit, a short to power, or a faulty actuator.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaVehicle speed, idle control and auxiliary inputs

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.