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.
2019 Lincoln MKT BaseFACTORY OEM SERVICE PROCEDURE
Driver Seat Module (DSM)
| DTC | Description | Action |
|---|---|---|
| B1669 | Mirror Passenger Up/Down Motor Stalled | GO to Pinpoint Test A . |
| B1670 | Mirror Passenger Right/Left Motor Stalled | GO to Pinpoint Test A . |
| B2224 | Mirror Passenger Drive Circuit Failure | GO to Pinpoint Test A . |
| B2312 | Mirror Passenger Horizontal Feedback Potentiometer Circuit Failure | GO to Pinpoint Test A . |
| B2314 | Mirror Passenger Horizontal Feedback Potentiometer Circuit Short to Battery | GO to Pinpoint Test A . |
| B2316 | Mirror Passenger Vertical Feedback Potentiometer Circuit Failure | GO to Pinpoint Test A . |
| B2318 | Mirror Passenger Vertical Feedback Potentiometer Circuit Short to Battery | GO to Pinpoint Test A . |
| All Other DTCs | - | REFER to DIAGNOSTIC TROUBLE CODE (DTC) CHARTS . |
Factory Service Tools
Use the Manual With the Right Hardware
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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.