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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U1EF0 /codes/dtcs/u1ef0
Communication Network System
U1EF1 /codes/dtcs/u1ef1
Communication Network System
U1EF3 /codes/dtcs/u1ef3
Communication Network System
U1EF4 /codes/dtcs/u1ef4
Communication Network System
U1EF5 /codes/dtcs/u1ef5
Communication Network System
U1EF6 /codes/dtcs/u1ef6
Communication Network System
U1EF7 /codes/dtcs/u1ef7
Communication Network System
U1EF9 /codes/dtcs/u1ef9
Communication Network System
U1EFA /codes/dtcs/u1efa
Communication Network System
U1EFB /codes/dtcs/u1efb
Communication Network System
U1EFC /codes/dtcs/u1efc
Communication Network System
U1EFD /codes/dtcs/u1efd
Communication Network System
U1EFE /codes/dtcs/u1efe
Communication Network System
U1EFF /codes/dtcs/u1eff
Communication Network System
U1F00 /codes/dtcs/u1f00
Communication Network System

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