Home › Jaguar › 2016 › XF R-Sport, AWD › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Camera Control Module (CCM) -- XF/X260 › Diagnostic Trouble Code Index DTC: Camera Control Module (CCM) › Description And Operation › Camera Control Module (CCM) › DTC U0448-29: Invalid Data Received From Gateway "B" - Signal invalid › Possible Causes