Home >> Jaguar >> 2014 >> XF Base >> Repair and Diagnosis >> General Information >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Parking Aid Control Module (PACM) -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Parking Aid Control Module (PACM) >> Description And Operation >> DTC U3002-81: Vehicle Identification Number - Invalid serial data received >> Possible Causes