Home >> Land Rover >> 2019 >> Range Rover SVAutobiography >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Seat Module - Driver/Passenger High Line/EXUCTIVE Seating Specification (DSM/PSM) -- Range Rover/L405 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Seat Module - Driver/Passenger High-Line/Executive Seating Specification (DSM/PSM) (G2409261) >> DTC B1087-88: LIN Bus "A" - Bus off >> Possible Causes