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
P1381
Misfire Detected - No Communication with Brake Control Module
Audi
Ignition System
High severity
P1390
Wheel Speed Sensor 1 G-Sensor Circuit
Audi
Vehicle Speed and Idle Control System
High severity
P1397
Wheel Speed Sensor 2 G-Sensor Circuit Low Voltage
Audi
Vehicle Speed and Idle Control System
High severity
P1398
Wheel Speed Sensor 2 G-Sensor Circuit High Voltage
Audi
Vehicle Speed and Idle Control System
High severity
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