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DTC codes / P25xx · Vehicle speed, idle control and auxiliary inputs / P25CA

P25CAIntake Camshaft Actuator Park Lock Control Circuit / Open Bank 1

P25CA indicates that the powertrain control module has detected an open circuit or electrical fault in the park lock control circuit of the bank 1 intake camshaft actuator. This circuit is responsible for mechanically locking the camshaft phaser in a fixed position when the engine is off or during certain operating conditions, and the code sets when the expected voltage or current feedback does not match the commanded state.

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.

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