Forscan change tire and set off check light

[Debc]

Hi i have a 2022 with a manule just changed to the factory 35's and when i change tire circumf via forscan to 2618 it throws a check 4x4 . Any thoughts ?

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[Tito]

https://www.bronco6g.com/forum/thre...can-for-2021-bronco.23064/page-8#post-1336626
This seems like it might help

 

[Debc]

https://www.bronco6g.com/forum/thre...can-for-2021-bronco.23064/page-8#post-1336626
This seems like it might help

Thanks that worked but wow what a pain . Its now 2 miles and hr faster but think i will just leave it even tho 2618 was only 1 mile hr off

 

[Tito]

Mine didn't equate correctly either. I'm on 38s and tried the calculated size but it was off as well, changed a few times to get it right with a GPS speedo.

 

[orion]

Helpful tip, math is your freind...

So download a GPS speedometer app on your phone. Go on a test drive, preferably a highway or interstate and set the cruise.

Bronco speedometer = 65
GPS speed = 68

Take your speedometer reading and divide it by the GPS speed...

65 ÷ 68 = 0.95

This is basically saying your speedometer is showing 95% of your actual speed.

Then go into forscan, find your current tire circumference. We'll say it's 2500 for example. You will then divide 2500 by .95 and that will give you the tire circumference you need to input and should be right on the money.

2500 ÷ .95 = 2631

 

[WuNgUn]

Thanks that worked but wow what a pain . Its now 2 miles and hr faster but think i will just leave it even tho 2618 was only 1 mile hr off

For stock sasquatch tires you want 2600mm even

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