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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U2D20 /codes/dtcs/u2d20
Communication Network System
U2D21 /codes/dtcs/u2d21
Communication Network System
U2D22 /codes/dtcs/u2d22
Communication Network System
U2D24 /codes/dtcs/u2d24
Communication Network System
U2D25 /codes/dtcs/u2d25
Communication Network System
U2D26 /codes/dtcs/u2d26
Communication Network System
U2D27 /codes/dtcs/u2d27
Communication Network System
U2D28 /codes/dtcs/u2d28
Communication Network System
U2D29 /codes/dtcs/u2d29
Communication Network System
U2D2A /codes/dtcs/u2d2a
Communication Network System
U2D2C /codes/dtcs/u2d2c
Communication Network System
U2D2D /codes/dtcs/u2d2d
Communication Network System
U2D2E /codes/dtcs/u2d2e
Communication Network System
U2D2F /codes/dtcs/u2d2f
Communication Network System
U2D30 /codes/dtcs/u2d30
Communication Network System

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