Setting arbitrary tire sizes for speedometer calibration

Testing new functions
lenko
Posts: 604
Joined: Sat Dec 24, 2016 6:40 pm
Vehicle: 2015 Lincoln MKC, 2006 Mustang GT, Saleen 530 HP

Re: Setting arbitrary tire sizes for speedometer calibration

Post by lenko »

If the vehicle you are trying to program is the 1999 F350, then it's probably because your vehicle is too old for Forscan to perform this ability. Doubtful if Forscan can do anything to that vehicle's limited computer.
jbroad
Posts: 3
Joined: Tue Jul 06, 2021 3:14 pm
Vehicle: 2018 F150 2.7EB

Re: Setting arbitrary tire sizes for speedometer calibration

Post by jbroad »

For those of you with a 2017-2020 F150 (with 10 speed transmission) and are having DTC errors after writing your tire circumference. I've done some research and posted it here:
viewtopic.php?p=68424#p68424
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