What does code P1522 mean?

Q: What does code P1522 mean?

A Camshaft Position Actuator Bank 2. P1522 on BMW vehicles indicates that the engine control module (ECM) has detected a fault in the camshaft position actuator circuit for bank 2, which is the bank of cylinders that does not contain cylinder number one. The ECM monitors the electrical circuit that controls the variable valve timing (VVT) solenoid and sets this code when the signal is out of expected range or the actuator fails to respond to commands.

DTC codes / BMW codes / P1522

P1522 · BMWA Camshaft Position Actuator Bank 2

P1522 on BMW vehicles indicates that the engine control module (ECM) has detected a fault in the camshaft position actuator circuit for bank 2, which is the bank of cylinders that does not contain cylinder number one. The ECM monitors the electrical circuit that controls the variable valve timing (VVT) solenoid and sets this code when the signal is out of expected range or the actuator fails to respond to commands.

SystemPowertrain

Code typeBMW specific

SeverityMedium

Fix difficultyIntermediate

AreaVehicle speed, idle control and auxiliary inputs

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