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 MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1657 (CRUISE CONTROL SYSTEM)DIAGNOSIS AND TESTINGCRUISE CONTROLDTC CHARTS
2009 Mercury Milan Premier, 3.0 1, AWD
DTC Charts
2009 Mercury Milan Premier, 3.0 1, AWDSECTION DTC Charts
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
PCM DTC CHART
| 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 . |
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.