manfredmeyer2

Mirai Error Messages and Fault Code

Mirai owners, I'm getting serious error messages on my 2017 electric. Check engine light is on, plus the infotainment system and speedometer are flashing errors. I ran a diagnostic scanner and it's showing a fault code but I can't understand it. The car seems to be running fine. Anyone seen this before?

A 2017 Mirai owner experienced serious error messages, including a check engine light and flashing errors on the infotainment system and speedometer. A diagnostic scan revealed a fault code related to incorrect vehicle coding. The recommended solution was to have the vehicle recoded by a professional workshop, which resolved the issue.

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4 comment(s)

I had a similar issue with my Mirai. Diagnostic scanner was also showing some gibberish. Error stored in the error memory, and error message in the infotainment system. Does the fault code indicate an issue with the vehicle coding by any chance?

Coding, huh? I'm not super familiar with that. So the fault code is pointing to incorrect vehicle coding. How did you resolve it? Was it a DIY fix, or did you have to take it in?

I wouldn't recommend attempting it yourself unless you have experience with vehicle coding. Incorrect coding can mess things up further. My recommendation would be to take it to a trusted workshop; they should be able to recode the vehicle correctly.

Thanks for the advice! I took it to the workshop, and you were spot on, incorrect vehicle coding! They recoded it, cleared the errors, and everything's back to normal, cost me 360€ Appreciate the help!

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TOYOTA

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MIRAI