Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2021EXPEDITION PLATINUM, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 879 (AUTOMATIC TRANSMISSION - 10-SPEED AUTOMATIC TRANSMISSION - 10R80 (DTC CHARTS 5.0L - ASSEMBLY))REMOVAL AND INSTALLATIONTRANSMISSION CONTROL MODULE (TCM)REMOVAL
2021 Ford Expedition Platinum, RWD
Transmission Control Module (TCM): Removal
2021 Ford Expedition Platinum, RWDSECTION Removal
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The TCM is located on the RH frame rail.
- With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
-
NOTE: This step is only necessary when installing a new component.
Download the module information to the diagnostic tool using the PMI routine. Refer to: Module Programming .
- Remove the retainers and the TCM shield.
-
NOTE: Keep the TCM electrical connector straight when connecting it or damage the connector terminals can occur.
- Slide the lock tab up and disconnect the TCM electrical connector.
- Detach the TCM wiring harness retainer and position aside
- Remove the nuts and the TCM.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.