Home >> Jaguar >> 2014 >> XF Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Auto High Beam Control Module (AHBCM) -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Auto High Beam Control Module (AHBCM) >> Description And Operation >> DTC B12AC-11: Electrochromic door mirror - Circuit short to ground >> Possible Causes