OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
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Fault codes
P051E
Crankcase Pressure Sensor Circuit Intermittent/Erratic
Generic
Vehicle Speed and Idle Control System
High severity
P051F
Positive Crankcase Ventilation Filter Restriction
Generic
Vehicle Speed and Idle Control System
High severity
P052D
Cold Start A Camshaft Position Timing Over-Retarded Bank 2
Generic
Vehicle Speed and Idle Control System
High severity
P053C
Positive Crankcase Ventilation Heater Control Circuit High
Generic
Vehicle Speed and Idle Control System
High severity
P054B
Cold Start Exhaust B Camshaft Position Timing Over-Retarded Bank 1
Generic
Vehicle Speed and Idle Control System
High severity
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