Home › Land Rover › 2013 › LR2 HSE › Repair and Diagnosis › General Information › DTC Index › Diagnostic Trouble Code Index DTC: Driver/Passenger Door Control Module (DDM/PDM) -- LR2/L359 › Diagnostic Trouble Code Index DTC: Driver/Passenger Door Control Module (DDM/PDM) › Description And Operation › DTC B1A98-86: LIN Bus Circuit #1 - Signal invalid › Possible Causes