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

U0054 Internal malfunction detected in ECM (CAN bus)

Mercedes Benz Communication Network System High severity

U0056 Internal malfunction detected in ECM (CAN bus)

Mercedes Benz Communication Network System High severity

U0057 Internal malfunction detected in ECM (CAN bus)

Mercedes Benz Communication Network System High severity

U0059 Internal malfunction detected in ECM (CAN bus)

Mercedes Benz Communication Network System High severity

U0060 Internal malfunction detected in ECM (CAN bus)

Mercedes Benz Communication Network System High severity

U0062 Internal malfunction detected in ECM (CAN bus)

Mercedes Benz Communication Network System High severity

U0063 Internal malfunction detected in ECM (CAN bus)

Mercedes Benz Communication Network System High severity

P1981 /codes/dtcs/p1981-maruti-suzuki

Maruti Suzuki

U0415 Internal malfunction in Electronic brake control module

Volkswagen Communication Network System High severity

U0415 Internal malfunction in Electronic brake control module

Skoda Communication Network System High severity

P1600 Low voltage detected from battery

Volkswagen Computer Output Circuit High severity

P1601 Issue with battery supply voltage relay

Volkswagen Computer Output Circuit High severity

P1603 Internal malfunction detected in ECM

Volkswagen Computer Output Circuit High severity

P1604 Internal malfunction detected in ECM

Volkswagen Computer Output Circuit High severity

P1606 Invalid torque signals from ABS

Volkswagen Computer Output Circuit High severity