Home >> Jaguar >> 2017 >> XJR L >> Repair and Diagnosis >> 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 B142D-12: Left Rear Cooled/Heated Seat Thermal Electric Device #1 - Circuit short to battery >> Possible Causes