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elizabethsky5
Stagea Seat Heater Failure
4 comment(s)
elizabethsky5 (Author)
Wiring harness, huh? I haven't checked that yet. Is it a common problem? If it's not the wiring, what else could cause both seat heaters to fail?
manfreddragon1
On the BMW, the wiring was a known issue. Considering both seats are out, and you've got a code, a defective heating mat itself is plausible. If you're not comfortable diagnosing electrical issues, a workshop visit might be best.
elizabethsky5 (Author)
Thanks a bunch for the advice! I took it to a shop, and you were spot on – turns out both heating mats were toast. New ones cost me 390€. Ouch, but at least my backside will be warm this winter!
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manfreddragon1
Sounds familiar. I had a similar issue with my old BMW 3 series. Same symptoms – no heat, error code. Have you checked the wiring harness under the seat? Those wires can get pinched or damaged pretty easily.