Home › Jaguar › 2017 › XJR Base › Repair and Diagnosis (Single Page) › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Automatic Temperature Control Module (ATCM) -- XJ/X351 › DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: Automatic Temperature Control Module (ATCM) › Description And Operation › Automatic Temperature Control Module (ATCM) › DTC B13C2-87: Front Windscreen/Windshield Misting Sensor - Missing message › Possible Causes