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 1006 (SEATING)DIAGNOSTIC TESTSSEATSDRIVER SEAT MODULE (DSM) DTC CHART
2009 Mercury Milan Premier, 3.0 1, AWD
Driver Seat Module (DSM) DTC Chart
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Driver Seat Module (DSM) DTC Chart
WARNING: This page is about a different car, the 2008 Mercury Milan, 2008 Lincoln MKZ, and 2008 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
DRIVER SEAT MODULE (DSM) DTC CHART
| DTC | Description | Retrieved | Action |
|---|---|---|---|
| B1342 | ECU Is Faulted | On-Demand and Continuous | INSTALL a new driver seat module (DSM) and carry out PMI. REFER to MULTIFUNCTION ELECTRONIC MODULES article. |
| B1663 | Seat Driver Front Up/Down Motor Stalled | On-Demand | If the motor does not operate, go to Pinpoint Test J . If motor operates, go to Pinpoint Test K . |
| B1664 | Seat Driver Rear Up/Down Motor Stalled | On-Demand | If the motor does not operate, go to Pinpoint Test J . If motor operates, go to Pinpoint Test K . |
| B1665 | Seat Driver Forward/Backward Motor Stalled | On-Demand | If the motor does not operate, go to Pinpoint Test J . If motor operates, go to Pinpoint Test K . |
| B1666 | Seat Driver Recline Motor Stalled | On-Demand | If the motor does not operate, go to Pinpoint Test J . If motor operates, go to Pinpoint Test K . |
| B1703 | Seat Driver Recline Forward Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test J . |
| B1707 | Seat Driver Recline Rearward Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test J . |
| B1711 | Seat Driver Front Up Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test J . |
| B1715 | Seat Driver Front Down Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test J . |
| B1719 | Seat Driver Forward Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test J . |
| B1723 | Seat Driver Rearward Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test J . |
| B1727 | Seat Driver Rear Up Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test J . |
| B1731 | Seat Driver Rear Down Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test J . |
| B1952 | Seat Rear Up/Down Position Feedback Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1953 | Seat Rear Up/Down Position Feedback Circuit Short to Ground | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1956 | Seat Front Up/Down Position Feedback Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1957 | Seat Front Up/Down Position Feedback Circuit Short to Ground | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1960 | Seat Recline Forward/Backward Position Feedback Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1961 | Seat Recline Forward/Backward Position Feedback Circuit Short to Ground | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1964 | Seat Horizontal Forward/Rearward Position Feedback Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1965 | Seat Horizontal Forward/Rearward Position Feedback Circuit Short to Ground | On-Demand and Continuous | Go to Pinpoint Test K . |
| B2143 | Non Volatile Memory Failure (EEPROM) | Continuous | CARRY OUT PMI on the DSM. REFER to MODULE CONFIGURATION article. CLEAR DTCs. CYCLE the ignition and RETEST the system. If DTC B2143 is retrieved again, INSTALL a new DSM and CARRY OUT PMI. REFER to MULTIFUNCTION ELECTRONIC MODULES article. |
| B2477 | Module Configuration Failure | Continuous |
NOTE:
This DTC indicates PMI has not been done to a newly installed module or configuration data has been lost. Presence of this DTC alone does not prevent basic seat operation from the seat control switch. CARRY OUT PMI on the DSM. REFER to MODULE CONFIGURATION
article. REPEAT the self-test. If PMI is successful, the DTC will not be present. |
| U2050 | No Application Present | Continuous | INSTALL a new DSM and CARRY OUT PMI. REFER to MULTIFUNCTION ELECTRONIC MODULES article. REPEAT the self-test. |
| All Other DTCs | - | On-Demand and Continuous | REFER to the Master DTC Chart in MULTIFUNCTION ELECTRONIC MODULES article. |
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.