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 DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXEXTERIOR LIGHTING DTCSAUTOLAMPS
2009 Mercury Milan Premier, 3.0 1, AWD
Exterior Lighting DTCS: AUTOLAMPS
2009 Mercury Milan Premier, 3.0 1, AWDSECTION AUTOLAMPS
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1472 | Lamp Headlamp Input Circuit Short to Ground | Go to Pinpoint Test H . |
| B1578 | Lamp Park Input Circuit Short to Ground | Go to Pinpoint Test H . |
| B1692 | Autolamp Delay Circuit Short to Ground | Go to Pinpoint Test H . |
| B1791 | Autolamp Sensor Input Circuit Open | Go to Pinpoint Test H . |
| B1793 | Autolamp Sensor Input Circuit Short to Ground | Go to Pinpoint Test G . |
| B2498 | Headlamp Switch Multiple Signals Input Active | Go to Pinpoint Test H . |
RENDER: 1.0x
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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.