P054D BMW – Cold Start Exhaust ‘B’ Camshaft Position Timing Over-Retarded Bank 2

P054D BMW Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P054D BMW Possible Causes

Camshaft timing incorrectly set,Continuous oil flow to the Variable Camshaft Timing (VCT) piston chamber,VCT solenoid valve stuck open,Camshaft advance mechanism binding (VCT unit)

P054D BMW Description

The Powertrain Control Module (PCM) monitors the Variable Camshaft Timing (VCT) position for an over-advanced camshaft timing during cold start up. The test fails when the camshaft timing exceeds a maximum calibrated value or remains in a retarded position.