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.
2023 Lincoln Navigator Base, 4WDFACTORY OEM SERVICE PROCEDURE
Body Control Module (BCM)
| DTC | Description | Action |
|---|---|---|
| B12E8:11 | Liftgate/Tailgate Control/Release Switch: Circuit Short To Ground | GO to Pinpoint Test C |
| B1219:11 | Interior Boot/Trunk Release Switch: Circuit Short To Ground | GO to Pinpoint Test C |
| B1495:11 | Hands Free Liftgate/Decklid Input Sensor: Circuit Short To Ground | GO to Pinpoint Test J |
| B1584:11 | Decklid/Liftglass Release Output: Circuit Short To Ground | GO to Pinpoint Test Q |
| B1584:12 | Decklid/Liftglass Release Output: Circuit Short To Battery | GO to Pinpoint Test Q |
| B1584:13 | Decklid/Liftglass Release Output: Circuit Open | GO to Pinpoint Test Q |
| For all other Diagnostic Trouble Codes (DTCs) | - | REFER to: Multifunction Electronic Modules . |
Factory Service Tools
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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.