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
P1047
Bank 1 Camshaft Adjustment Valve 1 Electrical Malfunction
Mercedes Benz
Ignition System
High severity
P1048
Bank 1 Camshaft Adjustment Valve 1 Short To Positive
Mercedes Benz
Ignition System
High severity
P1049
Bank 1 Camshaft Adjustment Valve 1 Short To Ground
Mercedes Benz
Ignition System
High severity
P1051
Brake Switch Signal Missing or Improper
Mercedes Benz
Vehicle Speed and Idle Control System
High severity
P1052
Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 2
Mercedes Benz
Fuel and Air Metering
High severity
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