Home › Jaguar › 2014 › XF Base › 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 B1A69-01: Humidity Sensor - General electrical failure › Possible Causes