Transmission issues
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Joined: Nov 2018
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Transmission issues
I have a 2019 f150 it doesn’t do it all the time but sometimes my transmission slams in and out of gear. Or when you first start it when you put in gear it’ll slam. I’ve had back to dealer multiple times over it and they tell me that’s normal. To me that’s not normal at all. So anyone have this problem. If so what did you do. I work with a guy that is having same issue and he said he’s putting a tune on his truck that supposed to keep it from happening but I also don’t want to void a warranty
Tuned
Joined: Jun 2013
Posts: 344
Likes: 5
From: North Shore MA
Mine does this occasionally. I think I've largely prevented it from happening by ensuring the truck is completely stopped before I change gears, including waiting a second or two to let off the brake when I first shift into drive. I found it most noticeable shifting into reverse when I was pointed down an incline.
Lead Driver
Joined: Jun 2005
Posts: 8,475
Likes: 727
From: Calgary Canada
Just chiming in and I too have the occasional hard shift while driving. I did find sport mode helped, but that's a pain to remember. Wonder if a transmission relearn would help. Disconnect the battery overnight?
Lead Driver
Joined: Dec 2016
Posts: 5,650
Likes: 243
From: GA
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Lead Driver
Joined: Jun 2005
Posts: 8,475
Likes: 727
From: Calgary Canada
I'm pretty sure my trans fluid isn't dirty after only 8700 miles.
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Joined: Oct 2019
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Saw somewhere, I think You Tube, a guy had the same problem. A drivability tech finally looked at his truck. Went in and turned off adaptive tuning for the transmission. He said the results were night and day. Truck never shifted bad after that.
Tuned
Joined: Jun 2020
Posts: 336
Likes: 5
I just bought a 2018 with 38k miles and my truck does the same thing. I asked the service manager at the dealer and he said it's a known issue but Ford doesn't have a solution. He said that you can reset a module in the trans and it'll go away for a while but always comes back. I have an appointment in a few weeks and hope the tech can reset it for me.
Lead Driver
Joined: Dec 2016
Posts: 5,650
Likes: 243
From: GA
Ummmm, where did you get the 8700 miles figure from because I see no mention of the mileage in the OP’s original posting.
Lead Driver
Joined: Jun 2005
Posts: 8,475
Likes: 727
From: Calgary Canada
True, OP didn't mention how many miles on his 2019, and I didn't mention it for my post about my 2020. Was probably having a bad day that day, forgive me. Anyway, don't think it's due to dirty fluid on my truck, which has only 8700 miles on it. Changing the fluid, for me, would be another version of "throwing parts at it", which I think we all try to avoid.
8th Gear
Joined: Apr 2008
Posts: 8
Likes: 0
From: Carleton Place
My 2018 started harsh downshifts when coming to a stop when cold and would smooth out when warm. Took it to the dealer and they found out it was 1 and a half liters down on tranny fluid. They reflashed tranny topped up fluid and all is good again.
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