Home >> Jaguar >> 2015 >> XF 2.0T Premium >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Automatic Temperature Control Module (ATCM) -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Automatic Temperature Control Module (ATCM) >> Description And Operation >> DTC P0645-11: A/C Clutch Relay Control Circuit - Circuit short to ground >> Possible Causes