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
P1431
Misfire Monitor Disabled Unable to Learn Trigger Wheel Profile
Mercedes Benz
Ignition System
High severity
P1435
A/C Refrigerant Temperature Circuit Range/Performance
Mercedes Benz
Auxiliary Emissions Control
High severity
P1437
A/C Evaporator Air Temperature Circuit High
Mercedes Benz
Auxiliary Emissions Control
High severity
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