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
P007D
Charge Air Cooler Temperature Sensor Circuit High Bank 1
Generic
Vehicle Speed and Idle Control System
Low severity
P003A
Turbocharger/Supercharger Boost Control A Position Exceeded Learning Limit
Generic
Ignition System
High severity
P004B
Turbocharger/Supercharger Boost Control B Circuit Range/Performance
Generic
Injector Circuit
High severity
P004F
Turbocharger/Supercharger Boost Control B Circuit Intermittent/Erratic
Generic
Injector Circuit
High severity
P005E
Turbocharger/Supercharger Boost Control B Supply Voltage Circuit Low
Generic
Injector Circuit
High severity
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