Home › Jaguar › 2010 › XJ Base › Repair and Diagnosis › General Information › DTC Index › Diagnostic Trouble Code (DTC) Index DTC: Image Processing Module (IPMA) -- XJ/X351 › DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: Image Processing Module (IPMA) › Description And Operation › Image Processing Control Module (IPCM) › DTC U0001-88: High Speed CAN Communication Bus - Bus off › Possible Causes