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.
2013 Lincoln Navigator Base, 4WDFACTORY OEM SERVICE PROCEDURE
Cruise Control System DTCS
PCM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| P0579 | Cruise Control Multifunction Input A Circuit Range/Performance | GO to PINPOINT TEST C . |
| P0581 | Cruise Control Multifunction Input A Circuit High | GO to PINPOINT TEST C . |
| P1572 | Brake Switch Circuit | GO to PINPOINT TEST B . |
| P1703 | Brake Switch Out of Self-Test Range | GO to PINPOINT TEST B . |
| All other DTCs | - | REFER to the INTRODUCTION - GASOLINE MODELS . |
Factory Service Tools
Use the Manual With the Right Hardware
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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.