Home >> Jaguar >> 2014 >> XF Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code: Adaptive Speed Control Module (ASCM) -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Adaptive Speed Control Module (ASCM) >> Description And Operation >> DTC U1A14-49: CAN Initialisation Failure - Internal electronic failure >> Possible Causes