10R140 Transmission – Harsh Upshifts – Vehicles With Less Than 200 Miles (320 km) – 2020 Ford F-Super Duty

2020 Ford F-Super Duty

NHTSA ID Number: 10169988 Manufacturer Communication Number: SSM 48425 Summary Some 2020 F-Super Duty vehicles equipped with a 10R140 transmission may exhibit harsh upshifts between 1st and 5th gears. For vehicles with less than 200 miles (320 km) on the odometer, these harsh upshifts may be due to the transmission adaptive strategy not being fully adapted. The … Read more

6.7L – 10R140 Transmission – Harsh Upshifts – 2020 Ford F-Super Duty

2020 Ford F-Super Duty

NHTSA ID Number: 10171862 Manufacturer Communication Number: TSB 20-2043   Summary Some 2020 F-Super Duty vehicles equipped with a 6.7L engine and 10R140 transmission and built on or before 15-Jan-2020 may exhibit harsh upshifts between 1st and 5th gears. This may be due to various strategies within the transmission control module (TCM) software. To correct the condition, … Read more