Home >> Jaguar >> 2013 >> XF 3.0, AWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Rear Differential Control Module (RDCM) -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Rear Differential Control Module (RDCM) >> Description And Operation >> DTC P186B-11: Differential Lock-up Actuator Brake Control Circuit Low - Circuit short to ground >> Possible Causes