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Tire Size, Speedometer and ForScan

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# forscan #speedometer #tire size
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225 views 3 replies 4 participants last post by  mass-hole  
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#1 ·
I have a 2023 F150 King ranch with 275-55R20'sl I noticed the speed limit signs builtin radar show 2 MPH below speedometer.
I checked and the 'stock tire size' shows 275-60R20; I'm thinking that adjusting it in ForScan will Correct the Speedometer.

If y'all think so which parameter, do I edit??
 
owns 2023 Ford F150 King Ranch
#2 ·
Welcome to the forum!

Check this out it has all the info and the locations to edit.



You might have to open that on a computer or paste the link. Make a copy of it for yourself.
 
owns 2017 Ford F-150 Lariat
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#3 ·
#4 ·
You shouldnt need to go in and charge it in the code. The default options in the pre-populated BCM list should have it.
 
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