Home › Land Rover › 2015 › Range Rover Base › Repair and Diagnosis (Single Page) › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Occupant Classification Sensor Control Module -- Range Rover/L405 › Diagnostic Trouble Code Index DTC: Occupant Classification Sensor Control Module › Description And Operation › DTC U0001-88: High Speed CAN Communication Bus - Bus off › Possible Causes