Reworking Connector on Engine Coolant Level Sensor for Low-temperature Cooling
System (Red "engine coolant level" warning message in the instrument cluster/SY2215)? Contact problems with the installed plug contacts in the connector for the engine coolant level
sensor on the coolant reservoir (low-temperature cooling system).
? Fluctuations in resistance in the signal chain between the rear-end electronics control unit and the
line at the engine coolant level sensor connector (low-temperature cooling system).
? No corresponding fault code is entered in the rear-end electronics control unit fault memory.