SI M12 02 12 Engine Electrical Systems April 2013 Technical Service . After reprogramming the vehicle to integration level R056-11-11-503 (ISTA/P P45.1.3.0) or higher, one of the following fault codes are stored in the DME fault memory: Vehicles with N16 engine: * 2F42 Engine ventilation heating, Control The Service Engine Soon lamp is not illuminated. Vehicles with N18 engine: * 37DE Engine ventilation, heating, triggering: open circuit The Service Engine Soon lamp is illuminated. CAUSE Due to a DME software change, the diagnostic monitoring capability is improved for the engine ventilation heating system. However, a fault will be stored in the fault memory because the engine ventilation heater circuit has a malfunction currently present.
