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melissaschaefer82

Insignia rear window heating issue

Experiencing an issue with my 2017 Vauxhall Insignia (gasoline engine). The rear window heating is not functioning. There's an error stored, and the windshield heating doesn't seem optimal either. The car has 151526 km. Could a heavily discharged or defective battery be the cause?

Summary of the thread

A 2017 Vauxhall Insignia experienced a malfunction with the rear window heating, accompanied by an error code and suboptimal windshield heating. The issue was suspected to be linked to a heavily discharged or defective battery. After checking the fuses and ruling them out, it was suggested that the problem might be with the heating element or wiring. Ultimately, a workshop confirmed the issue was due to the discharged battery, and replacing it resolved the heating problem.

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4 comment(s)

horstwolf58

I had a similar problem with my old Renault Megane, although it was the front window that wouldn't defrost properly. Did you check the fuses related to the rear window heating? Sometimes it's just a simple blown fuse.

melissaschaefer82 (community.author)

I had a look at the fuses, and they seem to be fine. Is there anything else that might be interfering with the rear window heating?

horstwolf58

Okay, if the fuses are good, then it could be a problem with the heating element itself or the wiring. Honestly, without proper diagnostic tools, it's hard to pinpoint. Given the symptoms, it does sound like a power supply issue, though. Best bet is probably to take it to a workshop.

melissaschaefer82 (community.author)

Understood. I've taken it to a workshop, and they confirmed it was indeed related to the battery, which was heavily discharged. They replaced it and the rear window heating is now functioning correctly. The repair cost 290€. Appreciate your help!

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VAUXHALL

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INSIGNIA