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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P1876 Issue in gear torque valve
Volkswagen Transmission System High severity
P1877 Issue in gear coolant circuit relay
Volkswagen Transmission System High severity
P1878 Issue in gear coolant circuit relay
Volkswagen Transmission System High severity
P1879 Issue in gear coolant circuit relay
Volkswagen Transmission System High severity
P1880 Internal malfunction detected in ECM
Volkswagen Computer Output Circuit High severity
P1330 Spark Timing Adjust Signal
Ford Ignition System High severity
P1409 EGR Control Circuit Malfunction
Auxiliary Emissions Control Medium severity
P1881 Internal malfunction detected in ECM
Volkswagen Computer Output Circuit High severity
P1883 Issue in park or neutral gear switch
Volkswagen Transmission System High severity
P1884 Short detected in back up light circuit
Volkswagen Transmission System High severity
P1885 Short detected in back up light circuit
Volkswagen Transmission System High severity
P1887 Invalid signals from vehicle speed sensor to ABS control module
Volkswagen Vehicle Speed and Idle Control System High severity
U0002 High Speed CAN Communication Bus Performance
Communication Network System High severity
U0003 High Speed CAN Communication Bus (+) Open
Communication Network System High severity

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