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
U0233
Lost Communication With Side Obstacle Detection Control Module
Communication Network System
High severity
U0235
Lost Communication With Cruise Control Front Distance Range Sensor
Communication Network System
High severity
U0302
Software Incompatibility with Transmission Control Module
Communication Network System
High severity
U0303
Software Incompatibility with Transfer Case Control Module
Communication Network System
High severity
U0304
Software Incompatibility with Gear Shift Control Module
Communication Network System
High severity
U0305
Software Incompatibility with Cruise Control Module
Communication Network System
High severity
P1271
Accelerator Pedal Position Sensor 1-2 Correlation
Chevrolet
Vehicle Speed and Idle Control System
Low severity
P1272
Accelerator Pedal Position Sensor 2-3 Correlation
Chevrolet
Vehicle Speed and Idle Control System
Low severity
P1273
Accelerator Pedal Position Sensor 1-3 Correlation
Chevrolet
Vehicle Speed and Idle Control System
Low severity
U0311
Software Incompatibility with Drive Motor Control Module
Communication Network System
High severity
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