Home >> Jaguar >> 2015 >> XF 2.0T Premium >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Transmission Control Module (TCM) >> Description And Operation >> DTC U0404-83: Invalid Data Received from Gear Shift Control Module A - Value of signal protection calculation incorrect >> Possible Cause