Home >> Land Rover >> 2022 >> Range Rover Sport HST >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Interactive Control Display Module (ICDM) -- Range Rover Sport/L494 >> Diagnostic Trouble Code Index - DTC: Interactive Control Display Module (ICDM) (G2034064) >> Description And Operation >> Interactive Display Control Module (ICDM) >> DTC U0055-88: Vehicle Communication Bus D - Bus Off >> Possible Causes