alexander_flamme1
Mirai seat heating malfunction
Summary of the thread
A 2022 Toyota Mirai owner reported a malfunction with the seat heating elements not generating warmth and an error code appearing. The suspected cause was a defective seat heating mat. Another Mirai owner shared a similar experience, suggesting that the issue might be due to a faulty heating element, and recommended consulting a qualified technician. Upon inspection, the problem was confirmed to be a defective seat heating mat, which required replacement.
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4 comment(s)
alexander_flamme1 (community.author)
Thanks. I did inspect the fuses and they seem fine. Could you elaborate on your issue and how it was resolved? What diagnostic steps did you take?
lilian_silver53
In my case, it ended up being a faulty heating element in the seat itself. Unfortunately, there wasn't a simple fix. I recommend consulting a qualified technician for a thorough inspection. It will probably need replacement.
alexander_flamme1 (community.author)
Thanks for sharing. Based on your recommendation, I had it inspected by a certified technician. The diagnosis confirmed a defective seat heating mat. The repair, including parts and labor, amounted to 390€. Your insights were helpful in resolving this.
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TOYOTA
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MIRAI
lilian_silver53
I have a Mirai as well, and your issue sounds similar to what I experienced. The seat heater would just not get warm. Did you check the fuses? Sometimes it is just that. Although a stored error code suggests something more substantial.