karlguenther1

Onix auxiliary heater malfunction

My 2021 Chevrolet Onix (gasoline engine) with 159954 km has an issue: the parking heater cannot be activated, and an error is stored. Could a defective glow plug be the likely cause?

A 2021 Chevrolet Onix with a gasoline engine and 159954 km has a malfunctioning parking heater that cannot be activated, with an error code stored. The initial suspicion is a defective glow plug, which is a common issue. After visiting a workshop, the diagnosis confirmed the defective glow plug, and the problem was resolved.

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4 comment(s)

I had a similar problem with my Chevrolet Onix. Was the blower motor running erratically before it failed completely? It might be worth checking the blower motor and the temperature sensor too.

Thanks. I didn't notice any erratic behavior from the blower motor, or unusual readings from the temperature sensor. Could you elaborate on your specific experience with the Chevrolet Onix heater issue?

In my case, the symptoms were very similar, although the blower motor was indeed acting up. Considering that a defective glow plug is a common issue and you've already confirmed an error code, I would suggest visiting a workshop for a proper diagnosis. It might save you some time and further complications.

I appreciate the advice. I took the Onix to a workshop. The diagnosis confirmed a defective glow plug, and the repair cost was 440€. Thank you for your help.

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CHEVROLET

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ONIX