Let’s talk about the Ford 10R80 ten speed Automatic Transmission and TSB 24-2101 – “Harsh/Delayed Engagement And/Or Harsh/Delayed Shift – Non-Main Control Break-In Capable.”
The complete document TSB can be found on Ford’s TSB Search interface. It contains several pages of part number tables, and here are the meaty bits:
Vehicles Impacted:
- 2018-2021 Expedition
- 2017-2020 F-150
- 2018-2021 Mustang
- 2019-2023 Ranger
Summation:
“Vehicles equipped with a 10R80 transmission may exhibit a harsh/delayed engagement and/or harsh/delayed shift… This may be due to the transmission solenoid ID strategy, sticking valves in the main control valve body and/or axial movement of the CDF clutch cylinder (7H351) sleeve.”
Using the latest software level of the appropriate Ford diagnostic scan tool, check for:
- Are any of the following DTCs present? P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7.
(1). Yes – proceed to Sticking Valves – Main Control Valve Body Step 1.
(2). No – proceed to Transmission Solenoid Strategy Step 1
Sticking Valves – Main Control Valve Body
- Overhaul (clean and inspect) the main control valve body and perform the adaptive learning drive cycle. Refer to WSM, Section 307-01.
- Does the vehicle still exhibit the condition after overhauling the main control valve body and performing an adaptive learning drive cycle?
(1). Yes, vehicles built on or before 15-Aug-2022 – proceed to CDF Clutch Cylinder Replacement Step 1.
(2). Yes, vehicles built on or after 16-Aug-2022 – this article is complete. Refer to diagnostics.
(3). No – repair is complete.
CDF Clutch Cylinder Replacement
NOTE: For Mexico, U.S. and Canadian vehicles which are low time in service (LTIS) policy eligible, the dealer has the option to continue with this TSB repair or replace the transmission under the LTIS policy.
- Remove the transmission and mount the transmission to the bench. Refer to
WSM, Section 307-01.
- Perform an adaptive learning drive cycle. Refer to WSM, Section 307-01.