Hard Downshift
Laughing Gas
Joined: Aug 2004
Posts: 856
Likes: 270
From: SoCal
Get it checked. My tranny was skipping shifts and was having some hard shifts, the hard shifts became very pronounced in the summer when pulling our 10,000# trailer. It would skip and have hard shifts even not pulling the trailer. When I took the truck in for its scheduled service after the summer I explained the issue and they tested and confirmed it. There was a Technical Service Bulliten about this and based on that they changed the main module in the tranny (or something like that). When they first did it the truck wouldnt even move so they had to keep it over night, next day they got it to move but the issue wasnt fixed. Told me I could take it home but I would have to bring it back in two weeks so they can rip the tranny apart and see what is causing the problem. I dropped it off Tuesday and got a voicemail yesterday saying I need a whole new transmission and I can keep the rental car for the 2-3 weeks it will take to get it and have it installed. I have a 2020 with 17,000km on it. I always tell myself not to get a first generation of anything and I traded in my 2019 superduty for this 2020 superduty, the 2019 had the 6 speed transmission and this 2020 is the first generation of the 10 speed transmission in these trucks if I am not mistaken...I should have known better.
Cross-Country
Joined: May 2006
Posts: 62
Likes: 33
From: Central Oregon
My 2022 does exactly what the OP's does. I haven't been able to narrow it down yet, but it hasn't done it when unloaded. Towing my ~8000 lb trailer it happens seemingly randomly. Much less prone to it if not in tow/haul, but it has done it in normal mode. I have about 6000 miles on the truck, maybe 3000 of those towing this trailer.
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