rotary_powered wrote:
There also seems to be an upper limit as to what you can put in the computer for tire size. There is an app for android called ParScan Beta, that allows you to enter new tire sizes, along with a few other useful changes (DRL, TPMS limits, Module Error codes), but above a certain size the ABS module crashes and disables ABS and Traction Control.
I've tried changing the tire size with both Parscan and HP Tuners, and both have the same result. Not sure if the dealer tools will be able to adjust it without issues, but I've heard that the ABS computer does not have the necessary info for tires over approx 30 inches or so
Just had mine done at the dealer for 29.65" which is the 245/50R20 size on the JET editions.
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