Home >> Jaguar >> 2018 >> XF S, AWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- XF/X260 >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) >> Description And Operation >> Transmission Control Module (TCM) >> DTC P0977-15: Shift Solenoid B Control Circuit High - Circuit short to battery or open >> Possible Causes