Home >> Jaguar >> 2016 >> XF Prestige, RWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Automatic Temperature Control Module (ATCM) -- XF/X260 >> Diagnostic Trouble Code Index DTC: Automatic Temperature Control Module (ATCM) >> Description And Operation >> Automatic Temperature Control Module (ATCM) >> DTC B13F5-13: Electric (PTC) Heater Control Circuit #2 - Circuit open >> Possible Causes