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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U257A /codes/dtcs/u257a
Communication Network System
U257B /codes/dtcs/u257b
Communication Network System
U257C /codes/dtcs/u257c
Communication Network System
U257F /codes/dtcs/u257f
Communication Network System
U2580 /codes/dtcs/u2580
Communication Network System
U2581 /codes/dtcs/u2581
Communication Network System
U2582 /codes/dtcs/u2582
Communication Network System
U2583 /codes/dtcs/u2583
Communication Network System
U2584 /codes/dtcs/u2584
Communication Network System
U2585 /codes/dtcs/u2585
Communication Network System
U2587 /codes/dtcs/u2587
Communication Network System
U2588 /codes/dtcs/u2588
Communication Network System
U2589 /codes/dtcs/u2589
Communication Network System
U258A /codes/dtcs/u258a
Communication Network System
U258B /codes/dtcs/u258b
Communication Network System

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