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 209 (REAR VIEW MIRROR SYSTEM)DIAGNOSIS AND TESTINGREAR VIEW MIRRORSINSPECTION AND VERIFICATIONSMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
2009 Mercury Milan Premier, 3.0 1, AWD
Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| B1234 | Mirror Switch Invalid Code | DSM | GO to PINPOINT TEST D . |
| B1342 | ECU Is Defective | DSM | INSTALL a new module. REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| B1530 | Memory Set Switch Circuit Short to Ground | DSM | GO to PINPOINT TEST E . |
| B1534 | Memory 1 Switch Circuit Short to Ground | DSM | GO to PINPOINT TEST E . |
| B1538 | Memory 2 Switch Circuit Short to Ground | DSM | If the memory mirror is inoperative, GO to PINPOINT TEST D . If the memory mirror is inoperative from the memory set switch, GO to PINPOINT TEST E . |
| B1667 | Mirror Driver Up/Down Motor Stalled | DSM | GO to PINPOINT TEST E . |
| B1668 | Mirror Driver Right/Left Motor Stalled | DSM | If the memory mirror is inoperative, GO to PINPOINT TEST D . If the memory mirror is inoperative from the memory set switch, GO to PINPOINT TEST E . |
| B1669 | Mirror Passenger Up/Down Motor Stalled | DSM | If the memory mirror is inoperative, GO to PINPOINT TEST D . If the memory mirror is inoperative from the memory set switch, Go to PINPOINT TEST E . |
| B1670 | Mirror Passenger Right/Left Motor Stalled | DSM | If the memory mirror is inoperative, GO to PINPOINT TEST D . If the memory mirror is inoperative from the memory set switch, GO to PINPOINT TEST E . |
| B2312 | Passenger Mirror Horizontal Feedback Potentiometer Circuit Failure | DSM | GO to PINPOINT TEST E . |
| B2314 | Passenger Mirror Horizontal Feedback Potentiometer Circuit Short to Battery | DSM | GO to PINPOINT TEST E . |
| B2316 | Passenger Mirror Vertical Feedback Potentiometer Circuit Failure | DSM | GO to PINPOINT TEST E . |
| B2318 | Passenger Mirror Vertical Feedback Potentiometer Circuit Short to Battery | DSM | GO to PINPOINT TEST E . |
| B2320 | Driver Mirror Horizontal Feedback Potentiometer Circuit Failure | DSM | GO to PINPOINT TEST E . |
| B2322 | Driver Mirror Horizontal Feedback Potentiometer Circuit Short to Battery | DSM | GO to PINPOINT TEST E . |
| B2324 | Driver Mirror Vertical Feedback Potentiometer Circuit Failure | DSM | GO to PINPOINT TEST E . |
| B2326 | Driver Mirror Vertical Feedback Potentiometer Circuit Short to Battery | DSM | GO to PINPOINT TEST E . |
| B1900 | CAN Communication Bus Fault | DSM | REFER to MODULE COMMUNICATIONS NETWORK . |
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.