wolfgang_schwarz4

Seat Alhambra rear windshield heating not working

I'm experiencing a rather frustrating problem with my 2014 Seat Alhambra (diesel engine). The rear window heating is not working. I've scanned the error memory, and there's an error stored related to the heating circuit. Also, the windshield heating does not work as usual. I suspect a potential issue with the battery, perhaps heavily discharged or defective, but I am not entirely sure. Has anyone encountered something similar? Any insights into what might be causing this thermal window heating issue?

4 comment(s)

I had a similar heating issue with my Seat Alhambra, though I can't remember the exact year of mine. The rear defroster wasn't working properly. Did you check the fuses? That's often the first thing to look at for electrical problems. Also, have you noticed any other electrical issues, like the interior lights dimming or the starter motor sounding weak? If the windshield heating is also not working, it may be a more serious problem.

Thank you for your reply! I checked the fuses related to the thermal window and they seem to be fine. I haven't noticed any other electrical issues besides the windshield heating not working as usual. What do you mean by 'more serious problem'? Are you suggesting that it is not just a fuse issue? Do you know what the next steps for troubleshooting would be?

Yes, in my case it wasn't just a fuse. The problem was related to the battery. It might be a good idea to get your battery checked, especially if it's a few years old. A weak battery can cause all sorts of weird electrical problems in modern cars. Otherwise, I would recommend a visit to the workshop. They can diagnose the exact cause of the rear defroster repair and the windshield heating issue.

Many thanks for the information. I had the battery checked, and it turned out to be heavily discharged and defective. It seems that modern cars like my Alhambra are quite sensitive to voltage drops. After replacing the battery, both the rear defroster and the windshield heating are working perfectly again. The repair cost me 290€, but it was worth it to have everything working as it should.

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