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
P1630
Issue in accelerator pedal position sensor
Volkswagen
Vehicle Speed and Idle Control System
High severity
P1631
Issue in accelerator pedal position sensor
Volkswagen
Vehicle Speed and Idle Control System
High severity
P1633
Issue in accelerator pedal position sensor
Volkswagen
Vehicle Speed and Idle Control System
High severity
P1634
Issue in accelerator pedal position sensor
Volkswagen
Vehicle Speed and Idle Control System
High severity
P1637
Communication error in Central electronics system
Volkswagen
Computer Output Circuit
High severity
P1641
Internal malfunction detected in AC control module
Volkswagen
Computer Output Circuit
High severity
P1643
Internal malfunction detected in Central electronics control module
Volkswagen
Computer Output Circuit
High severity
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