10R80 MHT – Harsh 1-3 Upshift And/Or Harsh Electric To Gas Transition – 2021 Ford F-150
NHTSA ID Number: 10203654 Manufacturer Communication Number: TSB 21-2407 Summary Some 2021 F-150 vehicles equipped with a 10R80 MHT transmission and built on or before 23-Apr-2021 may exhibit a harsh 1-3 upshift and/or a harsh electric to gas engine drive transition. This may be due to the software in the powertrain control module (PCM). To correct … Read more