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

U0202 Lost Communication With Door Control Module D

Communication Network System High severity

U0203 Lost Communication With Door Control Module E

Communication Network System High severity

U0206 Lost Communication With Folding Top Control Module

Communication Network System High severity

U0207 Lost Communication With Movable Roof Control Module

Communication Network System High severity

U1C4B /codes/dtcs/u1c4b

Communication Network System

U0208 Lost Communication With Seat Control Module A

Communication Network System High severity

U0209 Lost Communication With Seat Control Module B

Communication Network System High severity

U0210 Lost Communication With Seat Control Module C

Communication Network System High severity

U0211 Lost Communication With Seat Control Module D

Communication Network System High severity

U0212 Lost Communication With Steering Column Control Module

Communication Network System High severity

U0213 Lost Communication With Mirror Control Module

Communication Network System High severity

U0214 Lost Communication With Remote Function Actuation

Communication Network System High severity

U0215 Lost Communication With Door Switch A

Communication Network System High severity

U0216 Lost Communication With Door Switch B

Communication Network System High severity

U0217 Lost Communication With Door Switch C

Communication Network System High severity