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 1151 (AUTOMATIC TRANSMISSION EXTERNAL CONTROL SYSTEM - CD4E)DIAGNOSTIC TESTSEXTERNAL CONTROLSINSPECTION AND VERIFICATION
2009 Mercury Milan Premier, 3.0 1, AWD
Inspection and Verification
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Inspection and Verification
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the customer concern by operating the system.
- Visually inspect for obvious signs of mechanical or electrical damage.
- If an obvious cause for an observed or reported concern is found, correct the cause before proceeding to the next step.
- If the concern is not visually evident, verify the symptom. Go to Symptom Chart .
VISUAL INSPECTION CHART
| Mechanical | Electrical |
|---|---|
|
|
DTC CHART
| DTC | Component | Description | Condition | Symptom | Action |
|---|---|---|---|---|---|
| B2572 | Brake Shift Interlock | Brake Shift Interlock Output Circuit Failure | The associated circuitry connected to the smart junction box (SJB) or fuse, or the SJB itself may have an issue causing a brake shift interlock concern. | Brake shift interlock is inoperative or does not operate correctly. | Go to Pinpoint Test A . |
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.