Land Rover Discovery: Automatic Transmission  Transaxle

 BSM sensors

The BSM system is automatically disabled if either of the sensors become completely obscured; an amber indicator dot is displayed in the exterior mirror and the message BLIND SPOT MONITOR SENSOR BLOCKED appears in the Message centre. Note: Blockage testing is initiated only when the vehicle's speed

 Auxiliary Climate Control Fuel Fired Booster Heater - Operation

If a heating request is received and the ambient air temperature is less than or equal to 5ºC (41ºF), the Automatic Temperature Control Module (ATCM) transmits a 'supplemental heat' message to the Fuel Fired Booster Heater Control Module (FFBHCM) on the LIN bus. The control module responds by ret