SSM 48425

Service Bulletin Details

Public Details for: SSM 48425

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 ad


- 2020 -

Models from 2020
2020 FORD F-250 SD
2020 FORD F-350 SD
2020 FORD F-450 SD
2020 FORD F-550 SD 
SSM 48425 - 2020 F-Super Duty – 10R140 Transmission – Harsh Upshifts –
Vehicles With Less Than 200 Miles (320 km)
Some 2020 F-Super Duty vehicles equipped with a 10R140 transmission may exhibitharsh 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 harsh
upshifts are not detrimentalto transmission operation or durability and upshift quality may improve as
the vehicle is driven. If the vehicle does not have any illuminated warning indicators or diagnostic
troubles codes (DTCs), do not perform any repairs at this time.Engineering is investigating. Monitor
OASIS for updates.

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