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 304 (WIPER SYSTEM & WASHER SYSTEM)DIAGNOSIS AND TESTINGWIPERS AND WASHERSLIGHTING CONTROL MODULE (LCM) DIAGNOSTIC TROUBLE CODE (DTC) CHART
2009 Mercury Milan Premier, 3.0 1, AWD
Lighting Control Module (LCM) Diagnostic Trouble Code (DTC) Chart
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Lighting Control Module (LCM) Diagnostic Trouble Code (DTC) Chart
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
LIGHTING CONTROL MODULE (LCM) DIAGNOSTIC TROUBLE CODE (DTC) CHART
| DTC | Description | Source | Action |
|---|---|---|---|
| B1449 | Wiper Park Sense Circuit Short to Ground | LCM | DISCONNECT LCM connector C2145D and windshield wiper motor C125. CHECK circuit 28 (BK/PK) for a short to ground. MEASURE the resistance between LCM C2145D-14, circuit 28 (BK/PK), harness side and ground. REPAIR the short to ground as needed. If circuit is OK, INSTALL a new LCM. CLEAR the DTC. CARRY OUT the self-test. |
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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.