Home >> Land Rover >> 2017 >> Range Rover Autobiography >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Driver/Passenger Door Module (DDM/PDM) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Driver / Passenger Door Module (DDM / PDM) >> Description And Operation >> DTC B1087-88: LIN Bus "A" - Bus off >> Possible Causes