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#12215795 - 04/25/17 12:24 PM 2010 F150 Hard Downshift
ZX-250 Offline
Pro Angler

Registered: 12/05/04
Posts: 908
Loc: Fort Worth
For those that have F150's around 2010, has anybody experienced the notorious hard downshift from 2nd to 1st? After research it seems to be a fairly common problem. Mine has the 6R80 trans. The thing slams from 2nd to 1st. If you had the issue what was the cure? Thanks in advance.

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#12215993 - 04/25/17 01:52 PM Re: 2010 F150 Hard Downshift [Re: ZX-250]
redchevy Offline
TFF Celebrity

Registered: 01/25/05
Posts: 6862
Loc: texas
When does it do this? I believe many of the higher speed (6, 8, and now 10 speed) transmissions have problems with this because they cant pick which gear to be in. If it is from a "stop" I suggest coming to a complete stop. My Ram with an 8 speed will try to start in second from rolling and I mean barely rolling stop. If you are easy on the gas it will stay in second but if you get on it at all it will rather aggressively shift to first. Coming to a complete stop makes it go away.

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#12216185 - 04/25/17 04:04 PM Re: 2010 F150 Hard Downshift [Re: ZX-250]
ZX-250 Offline
Pro Angler

Registered: 12/05/04
Posts: 908
Loc: Fort Worth
It only does it when you are driving and coming to a stop. So as the truck is slowing, between 2nd and 1st gear is like somebody hit you from behind. It doesn't matter how slow you are coming to a stop, then whamo.

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#12216976 - 04/26/17 07:06 AM Re: 2010 F150 Hard Downshift [Re: ZX-250]
redchevy Offline
TFF Celebrity

Registered: 01/25/05
Posts: 6862
Loc: texas
Ah I see, no experience with that, hope you get something figured out.

Has it always done it? May disconnect battery for a while and see if anything changes.

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#12220349 - 04/27/17 07:34 PM Re: 2010 F150 Hard Downshift [Re: ZX-250]
Verkeith Offline
Outdoorsman

Registered: 01/06/15
Posts: 195
Loc: Crowley, Texas
It needs the PCM reprogrammed....yes a common problem...I had the same problem with my 2010 F150...reflashed the pcm fixed it somewhat...shifted better over time...

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#12266952 - 05/28/17 04:57 PM Re: 2010 F150 Hard Downshift [Re: ZX-250]
cg203 Offline
Outdoorsman

Registered: 03/03/08
Posts: 33
Mine did it the whole time I owned it. I took it back to the dealer several times, with little to no luck stopping it. Drove the truck 145,000 miles before I traded it in and it was never more than an annoyance.

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#12267451 - 05/28/17 11:54 PM Re: 2010 F150 Hard Downshift [Re: Verkeith]
turtdogg Offline
Extreme Angler

Registered: 08/02/11
Posts: 1602
Loc: huffman tx
Originally Posted By: Verkeith
It needs the PCM reprogrammed....yes a common problem...I had the same problem with my 2010 F150...reflashed the pcm fixed it somewhat...shifted better over time...
_________________________
Don't leave a fish to find a fish!!! Mark Zona
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