Ford Expedition 2018–2021 — technical service bulletin
Bulletin TSB 21-2423 · NHTSA communication 10205528 · issued Dec 1, 2021
Technical service bulletin
communication type
Power Train
component
2018–2021
model years
18
vehicle entries
Official summary
Some 2018-2021 Expedition/Navigator, 2018-2020 F-150/Mustang and 2019-2021 Ranger vehicles equipped with a 10R80 automatic transmission may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P163E stored in the powertrain control module (PCM) or transmission control module (TCM) after replacing the main control valve body. This may be due to software incompatibility between the replacement main control valve body solenoid strategy file and the PCM/TCM software. To correct this condition, follow the Service Procedure to obtain a new main control valve bod
Vehicles covered
- 2018 Ford Expedition
- 2019 Ford Expedition
- 2020 Ford Expedition
- 2021 Ford Expedition
- 2018 Ford F-150
- 2019 Ford F-150
- 2020 Ford F-150
- 2018 Ford Mustang
- 2019 Ford Mustang
- 2020 Ford Mustang
- 2021 Ford Mustang
- 2019 Ford Ranger
- 2020 Ford Ranger
- 2021 Ford Ranger
- 2018 Lincoln Navigator
- 2019 Lincoln Navigator
- 2020 Lincoln Navigator
- 2021 Lincoln Navigator
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.