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
P1649
Internal malfunction detected in ABS control module
Volkswagen
Computer Output Circuit
High severity
P1652
Internal malfunction detected in Transmission control module
Volkswagen
Computer Output Circuit
High severity
P1654
Internal malfunction detected in Instrument cluster control module
Volkswagen
Computer Output Circuit
High severity
P1655
Internal malfunction detected in AWD control module
Volkswagen
Computer Output Circuit
High severity
P1657
Short circuit in AC clutch relay
Volkswagen
Vehicle Speed and Idle Control System
High severity
P1658
Internal malfunction detected in AWD control module
Volkswagen
Computer Output Circuit
High severity
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