Home >> Jaguar >> 2012 >> XKR 2D Convertible >> Repair and Diagnosis >> General Information >> DTC Index >> Diagnostic Trouble Code Index DTC: Engine Control Module (ECM) 5.0L SC V8 -- XK/X150 >> Diagnostic Trouble Code Index DTC: Engine Control Module (ECM) 5.0L SC V8 - AJ133 >> Description And Operation >> Engine Control Module [Pcm] 5.0L SC V8 - AJ133 >> DTC U0447-81: Invalid Data Received From Gateway "A" - Invalid serial data received >> Possible Causes