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DTC codes / P25xx · Vehicle speed, idle control and auxiliary inputs / P25E5

P25E5B Camshaft Position Control Performance Bank 1

P25E5 indicates that the engine control module has detected a performance problem with the bank 1 'B' camshaft position control system, which typically refers to the variable valve timing actuator on the exhaust camshaft. The computer monitors the camshaft's actual position against the commanded target and sets this code when the response is outside the expected range or too slow.

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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