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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U251F /codes/dtcs/u251f
Communication Network System
U2521 /codes/dtcs/u2521
Communication Network System
U2522 /codes/dtcs/u2522
Communication Network System
U2523 /codes/dtcs/u2523
Communication Network System
U2524 /codes/dtcs/u2524
Communication Network System
U2525 /codes/dtcs/u2525
Communication Network System
U2526 /codes/dtcs/u2526
Communication Network System
U2527 /codes/dtcs/u2527
Communication Network System
U2529 /codes/dtcs/u2529
Communication Network System
U252A /codes/dtcs/u252a
Communication Network System
U252B /codes/dtcs/u252b
Communication Network System
U252C /codes/dtcs/u252c
Communication Network System
U252E /codes/dtcs/u252e
Communication Network System
U252F /codes/dtcs/u252f
Communication Network System
U2530 /codes/dtcs/u2530
Communication Network System

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