Error code
Bmw All models code 279C
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Meaning
The thermostat is malfunctioning (device stuck), but this error code may indicate the following problems: Damage to the wiring or poor-quality signal from the device to the control unit. Use of low quality liquid. As a result of the fact that the used consumable cannot perform its functions of cooling the power unit, the microprocessor module regards this as a thermostat malfunction. Clogging of the channels of the cooling system with wear products and antifreeze deposits. Faulty coolant temperature sensor. The problem may appear as a result of a software failure. Mechanical damage to one of the pipes or expansion tank, which led to the leakage of refrigerant from the system
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