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Ford F-150 10-speed transmission harsh and erratic shifting

Years affected, the mileage it usually shows up at, and what fixes it

2,292owner complaints
2018worst model year
100,000typical mileage
28reports of a crash or fire
2018 Ford F-150 XLT Crew Cab, front 11.10.19

About this problem

Automatic transmission complaints describe harsh or delayed shifts, jerking at low speed, hesitation when pulling away and flaring between gears. Newer transmissions with many gears rely heavily on software, and some problems are fixed by updates or by relearning shift patterns. Others come from worn valve bodies, torque converters or clutch packs and need a rebuild or replacement.

Across all owner complaints filed about the Ford F-150 since 2012, 2,292 (12.1%) describe 10-speed transmission harsh and erratic shifting, making it the most reported problem we track on the F-150. The reports cluster on the 2013, 2018 and 2019 model years, and the 2018 drew the most, with 455. It tends to show up at higher mileage: half of the owners who gave a mileage were between 64,000 and 135,000 miles. 28 reports describe a crash or fire linked to it. One recall is related to it, and recall repairs are free at any dealer.

What owners report

Complaints describe the F-150's automatic transmission slamming into gear, downshifting harshly when slowing down, and on the 10-speed trucks shifting erratically or dropping into the wrong gear. Some owners say the problem shows up mostly when cold or in stop-and-go traffic, others at highway speeds. The 2013, 2018 and 2019 model years drew the most reports.

How it gets fixed

Dealers usually start with a transmission software update (a re-flash) and a fluid change. If that does not help, a valve body, torque converter or full transmission replacement may follow.

Typical cost: A software update is often free or under $200. A torque converter or valve body job runs $1,000 to $2,500, and a replacement transmission $3,500 to $6,000.

Complaints by model year

14612
37513
11814
13115
19716
19217
45518
34719
16520
9621
3722
2723
624

Complaints about this problem filed with the federal safety agency, by model year. Red bars are the worst years.

Mileage when it happened

under 25k9%
25k to 50k8%
50k to 100k32%
over 100k50%

Half of the 896 owners who gave a mileage reported it between 64,000 and 135,000 miles.

In owners' words

"2013 F-150 with 6r80 transmission problems. (1) on 8/17/2015 took truck in to dealer at 40,000 miles due to erratic shifting and shudder, no available error codes. They performed a reprogramming and said a tire was out of balance."

2013 Ford F-150, 84,000 miles

"The transmission started slipping around 5000 miles. The problem occurs after start up when transmission is cool. During the first drive cycle when the transmission shifts from 3rd-4th gear, it will slip really bad."

2018 Ford F-150, 15,000 miles

"I bought new in june 2019 the following month the transmission upshifts downshifts extremely harsh from gears 3,4,5,6 transmission also over revs like clutch is held in when upshifting. Vehicle will drop down 5 gears from highway speeds."

2019 Ford F-150, 3,800 miles

Excerpts from public owner complaints filed with the National Highway Traffic Safety Administration, lightly trimmed.

Related recalls

Recall repairs are free at any dealer. Check a specific car by VIN at nhtsa.gov/recalls.

Service bulletins

Ford has sent dealers 49 bulletins that mention this problem on the F-150. A bulletin tells technicians how to fix a known fault. It is not a recall, so the repair is usually free only while the car is under warranty or covered by an extension.

Government investigations

Before you buy a F-150

  • On the test drive, accelerate gently and firmly, and pay attention to the 1-2 and 2-3 shifts and to coasting down to a stop.
  • Ask whether transmission software updates or a fluid flush have been done.
  • Walk away from a car that clunks into gear or flares the engine speed between shifts.

Questions

Which Ford F-150 years have 10-speed transmission harsh and erratic shifting?

Complaints are highest for the 2013, 2018, 2019 model years. The 2018 drew the most, with 455 reports.

At what mileage does it usually start?

Among owners who gave a mileage, the middle figure was about 100,000 miles, and half reported it between 64,000 and 135,000 miles.

How much does it cost to fix?

A software update is often free or under $200. A torque converter or valve body job runs $1,000 to $2,500, and a replacement transmission $3,500 to $6,000.

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