Harsh downshift to 3rd only, trans update performed and came back

[Rabel376]

2017 Raptor. Had a issue with the transmission shifting hard from 4 to 3rd ONLY. Nothing in any other downshift and nothing upshifting. Enough that it would cause you to lean forward when it happened. Read about a transmission service bulletin update and took to the dealer to have performed. It was completed about 4 months ago and fixed the problem.

Now the transmission is back to doing it again. Is this an ongoing issue that will have to be reprogrammed out every 4 months or so or has anyone else found a solution to this?

 

[BIGDJE]

yep i got same thing. sounds and feel loud bang on down shit does not happen often but when it does feels like i just dropped my rear end off the truck

 

[white_dc]

Been having a similar issue on my 2017 on the shift between 9-10 gear. Like it is trying to find the right gear then slams it in. I performed a KAM Reset using my SCT BDX, supposedly makes the trans re-learn and its been fine for the last few days.

It would be stupid if the trans needs to be reset every few months. So im hoping someone else has insight...

 

[lawdog]

My 2018 developed the 4-3 harsh downshift about a month or so ago, in addition to a hard 4-5 shift it's always had in Sport mode. I took it in 2 weeks ago to dealer, they allegedly re-flashed, but it's doing the same thing. Going back tomorrow to try again.

 

[isis]

Mine does weird things when it’s cold. Including the harsh downshift into 3. It’s fine once the trans is up to temp.

 

[GCATX]

If you Forscan, you can set the tranny to "relearn". Looks like you can use a tuner also. Mine usually is good for about 6 months. Since the last time I reset it, I've tried to alter my driving style and not be so choppy with the throttle, seems to have helps some aspects, I still get a really firm shift into 5th in sport mode. Not as bad as it used to be. It also used to be really slow shifting between 7 and 8th. That has not returned this time around. It did come back after the first several resets though, like I said about 6 or so months apart.

 

[CHanly83]

2020 here and my problem is 3 to 4 when it’s cold.

 

[RaptorFun]

Where in FORScan can you set the tranny to “relearn”??

 

[FordTechOne]

2020 here and my problem is 3 to 4 when it’s cold.

Due to the TCM operating strategy, it's characteristic for the 3rd-4th shift to exhibit a slight hesitation after a cold start; it's nothing to be concerned about.

 

[CHanly83]

@FordTechOne thanks for the heads up.