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Well, I flashed it with a Hypertech and it worked to recalibrate the speedometer. I also have access through a friend who has AlphaOBD to correct the TPMS. In the meantime, somebody from Tazer responded to an email I sent and clarified that the information on their website about only working...

Cool. Maybe I'll give that a try.

Do you have the big 12" nav screen on your 2020? The nav system seems to have something to do with it.

I was going to do that or a Tazer, but read if you go larger than 35" on the 2020 or newer trucks, it breaks the parking sensors. I have 37's on my 2021. I'm trying to determine if this is an issue with the AEV Procal Snap, but those are on long-term backorder. Hypertech also has a...

I have a 2021 Power Wagon and recently installed 37's on it. I took it to the dealer yesterday to have them rebuild the BCM to adjust the speedo and TPMS and they were happy to do it. They said when they connected the vehicle's computer to Chrysler though, the system informed them that for DOT...

I'm in the process of ordering a Power Wagon and plan to put 37's on it. How does your setup impact drivability over stock; both in terms of acceleration and gear hunting/speed holding abilities at 80mph on the highway? BTW, your truck looks incredible, and I'm jealous we don't have terrain...