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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Fault codes
U0102
Lost Communication with Transfer Case Control Module
Communication Network System
High severity
U0105
Lost Communication With Fuel Injector Control Module
Communication Network System
High severity
U0108
Lost Communication With Alternative Fuel Control Module
Communication Network System
High severity
U0111
Lost Communication With Battery Energy Control Module A
Communication Network System
High severity
U0112
Lost Communication With Battery Energy Control Module B
Communication Network System
High severity
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