6.7L – Harsh 3-2 And/Or 2-1 Downshifts Coming To A Stop In Tow/Haul Mode Or When Using Engine Brake Mode – 2022 Ford F-Super Duty
NHTSA ID Number: 10215617 Manufacturer Communication Number: TSB 22-2267 Summary Some 2022 F-Super Duty vehicles built on or before 16-May-2022 equipped with a 6.7L engine may exhibit harsh 3-2 and/or 2-1 downshifts when coming to a stop in tow/haul mode or when using engine brake mode. This may be due to the software in the transmission control … Read more