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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U278E /codes/dtcs/u278e
Communication Network System
U278F /codes/dtcs/u278f
Communication Network System
U2790 /codes/dtcs/u2790
Communication Network System
U2791 /codes/dtcs/u2791
Communication Network System
U2793 /codes/dtcs/u2793
Communication Network System
U2794 /codes/dtcs/u2794
Communication Network System
U2795 /codes/dtcs/u2795
Communication Network System
U2796 /codes/dtcs/u2796
Communication Network System
U2797 /codes/dtcs/u2797
Communication Network System
U2798 /codes/dtcs/u2798
Communication Network System
U2799 /codes/dtcs/u2799
Communication Network System
U279A /codes/dtcs/u279a
Communication Network System
U279C /codes/dtcs/u279c
Communication Network System
U279E /codes/dtcs/u279e
Communication Network System
U279F /codes/dtcs/u279f
Communication Network System

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