Home >> Land Rover >> 2023 >> Range Rover Velar S >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: Driver/Passenger Seat Module (DSM/PSM) -- Range Rover Velar/L560 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Seat Module - Driver/Passenger/Rear - Left/Right (DSM/PSM) (G2686736) >> B1087-88: LIN Bus A - Bus off >> Possible Causes