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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U2DF1 /codes/dtcs/u2df1
Communication Network System
U2DF2 /codes/dtcs/u2df2
Communication Network System
U2DF3 /codes/dtcs/u2df3
Communication Network System
U2DF4 /codes/dtcs/u2df4
Communication Network System
U2DF5 /codes/dtcs/u2df5
Communication Network System
U2DF6 /codes/dtcs/u2df6
Communication Network System
U2DF8 /codes/dtcs/u2df8
Communication Network System
U2DF9 /codes/dtcs/u2df9
Communication Network System
U2DFA /codes/dtcs/u2dfa
Communication Network System
U2DFB /codes/dtcs/u2dfb
Communication Network System
U2DFC /codes/dtcs/u2dfc
Communication Network System
U2DFD /codes/dtcs/u2dfd
Communication Network System
U2DFE /codes/dtcs/u2dfe
Communication Network System
U2DFF /codes/dtcs/u2dff
Communication Network System
U2E01 /codes/dtcs/u2e01
Communication Network System

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