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
P1245
Alternator Load Input Failed Low
Mercedes Benz
Vehicle Speed and Idle Control System
High severity
P1246
Alternator Load Input Failed
Mercedes Benz
Vehicle Speed and Idle Control System
High severity
P1254
Pedal Correlation PDS2 and LPDS High
Mercedes Benz
Vehicle Speed and Idle Control System
Low severity
P1257
Pedal Correlation PDS2 and HPDS
Mercedes Benz
Vehicle Speed and Idle Control System
Low severity
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