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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U2037 /codes/dtcs/u2037
Communication Network System
U2038 /codes/dtcs/u2038
Communication Network System
U2039 /codes/dtcs/u2039
Communication Network System
U203A /codes/dtcs/u203a
Communication Network System
U203B /codes/dtcs/u203b
Communication Network System
U203C /codes/dtcs/u203c
Communication Network System
U203D /codes/dtcs/u203d
Communication Network System
U203F /codes/dtcs/u203f
Communication Network System
U2040 /codes/dtcs/u2040
Communication Network System
U2042 /codes/dtcs/u2042
Communication Network System
U2043 /codes/dtcs/u2043
Communication Network System
U2044 /codes/dtcs/u2044
Communication Network System
U2045 /codes/dtcs/u2045
Communication Network System
U2046 /codes/dtcs/u2046
Communication Network System
U2048 /codes/dtcs/u2048
Communication Network System

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