Changing tire size using FORScan

[AZ_Ryan]

I just bought a new set of PP wheels for my '24 GT premium. I stopped by my deal today to book an appointment for them to change the tire size using Forscan, but they told me the software has changed and they can't do it anymore without me vehicle throwing codes.

The same dealer did it for me on another vehicle last spring without issue, so I'm perplexed.

Are they just pulling this out of their ass or is this an actual thing on the S650s?

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[gtstang462002]

Haven't tried changing tire size on mine with the Forscan, but definitely looked at the option in the menu. If someone else doesn't report back, I can try on on mine and let you know the results in a day or 2.

 

[Thuggs]

You can calibrate the speedo through the dash settings maybe you don’t need for scan

 

[AZ_Ryan]

You can calibrate the speedo through the dash settings maybe you don’t need for scan

You can't calibrate the speedo through the dash settings. You have to change the tire diameter code.

 

[Thuggs]

Well on mine I was able to change the speedo calibration to match gps speed thru the dash aus spec cars are different to US ones might be the difference

 

[AZ_Ryan]

Well on mine I was able to change the speedo calibration to match gps speed thru the dash aus spec cars are different to US ones might be the difference

Interesting. Where in the settings did you have that option?

 

[Thuggs]

Interesting. Where in the settings did you have that option?

It was in the settings but cannot remember where still navigating the screens but I think it was percentage based
Seems to be big differences I have folding mirrors which apparently US spec cars don’t get
We don’t get any of the base models it appears

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