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

P1883 Issue in park or neutral gear switch
Audi Transmission System High severity
P1885 Short detected in back up light circuit
Audi Transmission System High severity
P1886 Open detected in back up light circuit
Audi Transmission System High severity
P1888 Issue in engine coolant system
Audi Fuel and Air Metering High severity
P1889 Issue in engine coolant system
Audi Fuel and Air Metering High severity
P1900 Issue in engine coolant fan
Audi Fuel and Air Metering High severity
P1902 Issue in radiator exhaust system
Audi Auxiliary Emissions Control High severity
P1903 Issue in exhaust cooling system
Audi Auxiliary Emissions Control High severity
P1905 Issue in exhaust cooling system
Audi Auxiliary Emissions Control High severity
P1906 Issue in exhaust cooling system
Audi Auxiliary Emissions Control High severity
P1907 Internal malfunction detected in ECM
Audi Computer Output Circuit High severity
P1909 Internal malfunction detected in ECM
Audi Computer Output Circuit High severity
P1910 Internal malfunction detected in ECM
Audi Computer Output Circuit High severity
P1912 Issue in pressure sensor in brake booster
Audi Vehicle Speed and Idle Control System High severity
P1913 Issue in pressure sensor in brake booster
Audi Vehicle Speed and Idle Control System High severity

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