Home › Jaguar › 2013 › XJ L Ultimate › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code (DTC) Index DTC: Gateway Module -- XJ/X351 › DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: Gateway Module › Description And Operation › Gateway Module (GWM) › P0A3B-68 Generator Over Temperature - Event information › Possible Causes