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
U0313
Software Incompatibility with Battery Energy Control Module B
Communication Network System
High severity
U0320
Software Incompatibility with Power Steering Control Module
Communication Network System
High severity
U0321
Software Incompatibility with Ride Level Control Module
Communication Network System
High severity
U0327
Software Incompatibility with Vehicle Security Control Module
Communication Network System
High severity
U0330
Software Incompatibility with Tire Pressure Monitor Module
Communication Network System
High severity
U0402
Invalid Data Received From Transmission Control Module
Communication Network System
High severity
U0406
Invalid Data Received From Fuel Injector Control Module
Communication Network System
High severity
U0409
Invalid Data Received From Alternative Fuel Control Module
Communication Network System
High severity
U0412
Invalid Data Received From Battery Energy Control Module A
Communication Network System
High severity
U0416
Invalid Data Received From Vehicle Dynamics Control Module
Communication Network System
High severity
U0420
Invalid Data Received From Power Steering Control Module
Communication Network System
High severity
U0421
Invalid Data Received From Ride Level Control Module
Communication Network System
High severity
U0425
Invalid Data Received From Auxiliary Heater Control Module
Communication Network System
High severity
U0428
Invalid Data Received From Steering Angle Sensor Module
Communication Network System
High severity
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