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
P1653
Internal malfunction detected in ABS control module
Audi
Computer Output Circuit
High severity
P1654
Internal malfunction detected in Instrument cluster control module
Audi
Computer Output Circuit
High severity
P1658
Internal malfunction detected in AWD control module
Audi
Computer Output Circuit
High severity
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