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GEN 3 (2021+) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 3]
GEN3 Forscan
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<blockquote data-quote="pnwobrigade" data-source="post: 1890219" data-attributes="member: 51039"><p>Quick follow-up to this. I just added 37's and reset the BCM settings (MPH spot on within .1 per GPS) as posted in #577:</p><p></p><p>726-15-01 C104 019A 0AAD</p><p>726-15-02 C126 8BB6</p><p></p><p>After that I did the PCM/TCM initialization and also reset the TCM shift module (not sure if that was needed). Now my 10AT is very sluggish and it drives almost 2/3 gears too high to the point it's trying to hold 1,000rpm and lugs around. Also, my downshifts have gotten very "clunky" coming up to a stop mainly around the 3-2-1 shifts. No CEL or weird lights on the 10AT is just driving very odd, I have about 700 miles on it since doing this. Any thoughts from people that have done similar 35 to 37 upgrade and the 10AT performs the same as before or has same symptoms as me?</p></blockquote><p></p>
[QUOTE="pnwobrigade, post: 1890219, member: 51039"] Quick follow-up to this. I just added 37's and reset the BCM settings (MPH spot on within .1 per GPS) as posted in #577: 726-15-01 C104 019A 0AAD 726-15-02 C126 8BB6 After that I did the PCM/TCM initialization and also reset the TCM shift module (not sure if that was needed). Now my 10AT is very sluggish and it drives almost 2/3 gears too high to the point it's trying to hold 1,000rpm and lugs around. Also, my downshifts have gotten very "clunky" coming up to a stop mainly around the 3-2-1 shifts. No CEL or weird lights on the 10AT is just driving very odd, I have about 700 miles on it since doing this. Any thoughts from people that have done similar 35 to 37 upgrade and the 10AT performs the same as before or has same symptoms as me? [/QUOTE]
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