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hannah_weber77

GT86 Rear Window Heating Issue

Hi, I have a 2018 Toyota GT86 with a gasoline engine. My rear window heating isn't working. The error memory stores an error, and the windshield heating is also not working as usual. I suspect a heavily discharged or defective battery might be the cause. Any ideas?

Summary of the thread

A 2018 Toyota GT86 owner experienced issues with the rear window heating and suspected a heavily discharged or defective battery as the cause. Another GT86 owner suggested checking the battery voltage, as a weak battery can lead to electrical problems. After checking and visiting a workshop, it was confirmed that the battery was the issue, and replacing it resolved the problem.

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4 comment(s)

reinhard_silver1

I have a GT86 too. I had a similar issue. Did you check the battery voltage? A weak battery can cause all sorts of electrical problems. The rear window and windshield heaters draw a lot of power.

hannah_weber77 (community.author)

Thanks, I'll check the voltage. If the voltage is fine, what else could it be?

reinhard_silver1

If the voltage is fine, there may be another issue. In my case the battery was the problem. Maybe you should visit a workshop, so that they can test the battery.

hannah_weber77 (community.author)

Thanks for the hint. Eventually, the car was at the workshop. It was indeed the battery. The repair cost 290€. At least it works again.

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TOYOTA

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GT86