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levi_blade3

Mirai Electrical Malfunction

I'm having a problem with my 2022 Toyota Mirai (electric engine). The onboard diagnostics show an error, an electrical malfunction, and the navigation isn't working. I think it's a control unit programming issue. The car only has 40964 km. Has anyone else had similar problems?

Summary of the thread

A 2022 Toyota Mirai owner is experiencing an electrical malfunction, with onboard diagnostics showing an error and the navigation system not working. The issue is suspected to be related to a control unit programming problem, possibly a corrupted software module. It is recommended to consult a qualified Toyota workshop for a thorough diagnostic and potential re-flashing of the control unit to resolve the issue.

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4 comment(s)

emmawolf3

I've had similar gremlins in my Mirai. It sounds like a corrupted software module. Did this start happening after a recent over-the-air software release, or any specific event?

levi_blade3 (community.author)

No, there weren't any recent over-the-air releases before it happened. It just started. What issues did you have? Were they like mine, and how did you fix it?

emmawolf3

My symptoms weren't exactly the same, but close enough that I think it's a software glitch. I’m no mechanic, but the way the systems are linked it seems a software issue could trigger all sorts of seemingly unrelated problems. Considering the potential complexity and the error codes you're seeing, I'd advise consulting a qualified Toyota workshop. They can run a more thorough diagnostic and re-flash the control unit if necessary.

levi_blade3 (community.author)

I appreciate your guidance. I will schedule an appointment with a certified Toyota service center for a diagnostic evaluation. The estimated repair cost is 240€. I will post the outcome for other Mirai owners who may have similar challenges.

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TOYOTA

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MIRAI