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.
Automatic Torque Coupling (ATC) Configuration
For information on Ford Color Coded Illustrations, refer to OEM COLOR CODING
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NOTE: If the ATC bar code information is not correct, RDU damage or driveability concerns can occur.
Using the scan tool, under the toolbox icon select Powertrain then select ATC Barcode Entry. Follow the instructions displayed on the scan tool.
- For an aluminum cover Rear Differential Unit (RDU), enter the 4-digit numeric bar code found on the label located on the side of the RDU. The scan tool verifies the digits entered are valid and displays a message if the information is not valid.
- For a steel cover RDU, enter the 4-digit numeric bar code found on the label located on the harness tag. The scan tool verifies the digits entered are valid and displays a message if the information is not valid.
- Carry out the AWD drive cycle. Refer to, All Wheel Drive (AWD) Systems .
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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