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.
2005 Lincoln LS 3.0 SFACTORY OEM SERVICE PROCEDURE
Interior Lighting
FEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1319 | Driver Door Ajar Circuit Failure | FEM | Go To PINPOINT TEST C . |
| B1327 | Passenger Door Ajar Circuit Failure | FEM | GO to PINPOINT TEST C . |
| B1342 | ECU Is Defective | FEM | CLEAR the DTC. REPEAT the FEM self-test. If DTC B1342 is retrieved, INSTALL a new FEM. REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| B2477 | Module Configuration Failure | FEM | REFER to MODULE CONFIGURATION . |
REM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B2245 | Passenger Rear Door Ajar Circuit Open | REM | GO to PINPOINT TEST C . |
| B1331 | Luggage Compartment Ajar Rear Door Circuit Failure | REM | GO to PINPOINT TEST E . |
| B1342 | ECU Is Defective | REM | CLEAR the DTC. RETRIEVE the DTCs. If DTC B1342 is retrieved, INSTALL a new REM. REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| B2243 | Diver Rear Door Ajar Circuit Open | REM | GO to PINPOINT TEST C . |
| B2477 | Module Configuration Failure | REM | REFER to MODULE CONFIGURATION . |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.