charlotteschubert60

Matrix Rear Window Heating Issue

Hey, my 2007 Hyundai Matrix (gasoline engine) has a rear window heating issue. It's not working, and the error memory has a fault stored. Windshield heating also seems weaker. I checked some basics, but the battery feels like it's dying. Anyone seen this?

The 2007 Hyundai Matrix is experiencing a rear window heating issue, with a fault stored in the error memory and weaker windshield heating. The problem is likely due to an electrical supply issue, possibly caused by a weak or dying battery. Suggested solutions include checking the battery voltage under load, inspecting fuses and relays, and testing the battery's capacity. Ultimately, replacing the faulty battery resolved the issue.

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4 comment(s)

I had a similar problem on my Hyundai i30. Your symptoms suggest an electrical supply problem. Have you measured the battery voltage under load? A weak battery can cause the rear window heating to fail. Check the fuses and relays too.

Thanks! I haven't checked the voltage under load yet, but I will. When your i30 had this, were fuses the problem, or was it more involved?

Fuses were fine in my case. A weak battery couldn't supply enough power to the heating element. Test the battery's capacity with proper equipment. If the battery is good, check the wiring and the heating element. But a faulty battery is likely. A workshop visit is a good idea.

Thanks for the advice! Took it to a mechanic, and the battery was the issue, like you thought. New battery and diagnosis cost 290€.

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HYUNDAI

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MATRIX