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Seat Arona Auxiliary Heater Problem

I'm experiencing a problem with the auxiliary heater in my 2017 Seat Arona (gasoline engine). The parking heater cannot be activated, and an error is stored in the error memory. I suspect a defective glow plug. I’ve checked the fuses and the blower motor seems to be working fine. The climate control is responsive, but no heat from the auxiliary heater. Any ideas before I take it to the workshop?

4 comment(s)

I have a Seat Arona too. I had a similar issue with the parking heater not activating and an error code popping up. Have you checked for any coolant leak near the heater core? That was the problem in my case.

Interesting. I haven't noticed any coolant leaks. Where exactly was the leak located in your Arona's heating system? Was it a major disassembly to access it?

The leak was near the heater core connections. I didn't do the repair myself, but the mechanic mentioned it's a common issue. I suggest having a workshop pressure test the heating system to pinpoint the leak. A defective glow plug is a possibility too, but the coolant leak was the root cause in my case.

Thank you for the confirmation. The workshop diagnosed a defective glow plug in the auxiliary heater. The repair, including parts and labor, came to 440€. Hopefully this resolves the issue permanently.

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