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.
Symptom Chart: PATS
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
| Condition | Possible Causes | Actions |
|---|---|---|
| The vehicle does not start with the passive key in certain areas within the vehicle but starts using the passive key backup location | Refer to the Pinpoint Test | GO to Pinpoint Test A |
| Unable to turn the ignition on or the vehicle does not start | Refer to the Pinpoint Test | GO to Pinpoint Test B |
| Key Not Detected displays in the message center | Refer to the Pinpoint Test | GO to Pinpoint Test C |
| Unable to program keys | Refer to the Pinpoint Test | Using a diagnostic scan tool, PERFORM the RFA module self-test. REFER to RFA Module DTC Chart . |
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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