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.
2021 Ford Edge ST-Line, 4WDFACTORY OEM SERVICE PROCEDURE
Radio Transceiver Module (RTM): 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:
Removal steps in this procedure may contain installation details.
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NOTE: If installing a new module, it is necessary to upload the module configuration information to the diagnostic scan tool prior to removing the module. This information must be downloaded into the new module after installation.
Using a diagnostic scan tool, begin the PMI process for the RTM following the on-screen instructions.
- Lower the headliner. Refer to: Headliner - Lowering - Regular Cab . Refer to: Headliner - Lowering - SuperCab . Refer to: Headliner - Lowering - SuperCrew .
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- Disconnect the electrical connector.
- Release the tab.
- Rotate the RTM downward and remove.
Factory Service Tools
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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.