DTC codes / Volkswagen codes / P1522
P1522 on Volkswagen vehicles indicates that the engine control module has detected a malfunction in the intake camshaft control circuit for bank 2, which is the side of the engine that does not contain cylinder number one. The computer monitors the camshaft adjuster solenoid and the actual camshaft timing versus the commanded timing, and it sets this code when the electrical circuit or the mechanical response falls outside the expected range.
Guidance is general and written for Volkswagen vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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