Home >> Land Rover >> 2021 >> Range Rover Velar R-Dynamic HSE >> Repair and Diagnosis (Single Page) >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Infotainment Master Controller (IMC) -- Range Rover Velar/L560 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Infotainment Master Controller (IMC) (G2042256) >> B1087-88: LIN Bus "A" - Bus off >> Possible Causes