What does code P25DD mean?

Q: What does code P25DD mean?

A Camshaft Position - Stuck In Locked Position Bank 1. P25DD indicates that the engine control module (ECM) has detected a camshaft position actuator that is stuck in its locked or fully advanced position on bank 1 of the engine. The ECM commands the actuator to change timing, but the camshaft does not respond as expected, remaining fixed in the locked position.

DTC codes / P25xx · Vehicle speed, idle control and auxiliary inputs / P25DD

P25DDA Camshaft Position - Stuck In Locked Position Bank 1

P25DD indicates that the engine control module (ECM) has detected a camshaft position actuator that is stuck in its locked or fully advanced position on bank 1 of the engine. The ECM commands the actuator to change timing, but the camshaft does not respond as expected, remaining fixed in the locked position.

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.