I show in this video how you can change your tire size in your Body Computer on your Ram 1500. This needs to be done if you install aftermarket tires that are larger or smaller than stock, so that your speedometer reads the correct speed and you shift at correct points.
Note: Tire circumference is in millimeters to get that do this equation:
π*diameter*25.4
So for 33" tires: 3.14*33*25.4 = 2632 mm
Items used:
Alfa OBD app from Google Play Store on Samsung Galaxy S6 Tab (Alfa OBD only works on Android/Windows)
Security Bypass Cable: a.co/d/gzZB6qb
Bafx OBD2 Bluetooth scan tool: a.co/d/c5Wp8Yi
Higher quality scan tool options:
Vgate vLinker MC+ Bluetooth scan tool: a.co/d/7AXUpGI
OBDLink MX+ OBD2 Bluetooth scan tool: a.co/d/gQA951r
Негізгі бет Adjusting Tire Size with AlfaOBD on 2020 Ram 1500
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