Home >> Jaguar >> 2017 >> XJR Base >> Repair and Diagnosis (Single Page) >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Seat Module (Driver/Passenger/Rear Left/Rear Right) -- XJ/X351 >> Diagnostic Trouble Code (DTC) Index DTC: Seat Module (Driver/Passenger/Rear Left/Rear Right) >> Description And Operation >> Seat Module (Driver/Passenger/Rear Left/Rear Right) >> B1543-87 Front Seat Switch Pack - Missing message >> Possible Causes