What does code P25DE mean?

DTC codes / P25xx · Vehicle speed, idle control and auxiliary inputs / P25DE

P25DEA Camshaft Position - Unable to Achieve Locked Position Bank 1

This code means the engine computer commanded the bank 1 camshaft phaser to lock into a fixed position and the camshaft did not move to or hold that position within the expected time. The computer compares camshaft position to crankshaft position and flags the fault when the measured angle stays outside the lock window.

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.