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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U077D /codes/dtcs/u077d
Communication Network System
U077E /codes/dtcs/u077e
Communication Network System
U077F /codes/dtcs/u077f
Communication Network System
U0780 /codes/dtcs/u0780
Communication Network System
U0781 /codes/dtcs/u0781
Communication Network System
U0782 /codes/dtcs/u0782
Communication Network System
U0783 /codes/dtcs/u0783
Communication Network System
U0785 /codes/dtcs/u0785
Communication Network System
U0787 /codes/dtcs/u0787
Communication Network System
U0788 /codes/dtcs/u0788
Communication Network System
P1570 Internal malfunction detected in Immobilizer control module
Mercedes Benz Computer Output Circuit High severity
P1750 Internal malfunction detected in electronic gear selection control module
Mercedes Benz Computer Output Circuit High severity
P1832 Internal malfunction detected in electronic gear selection control module
Mercedes Benz Computer Output Circuit High severity
P1912 Internal malfunction detected in electronic gear selection control module
Mercedes Benz Computer Output Circuit High severity
P2000 NOx trap efficiency lower than limits
Mercedes Benz Auxiliary Emissions Control High severity

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