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.
2003 Lincoln LS 3.0 SFACTORY OEM SERVICE PROCEDURE
Power Windows DTCS
DRIVER DOOR MODULE (DDM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| B1342 | ECU is Defective | DDM | CLEAR the DTC. REPEAT the self-test. If DTC B1342 is retrieved, INSTALL a new DDM. REFER to MODULE COMMUNICATIONS NETWORK . REPEAT the self-test. |
| B1416 | Power Window LR Motor Circuit Short to Battery | DDM | Go To PINPOINT TEST J . |
| B1424 | Power Window RR Motor Circuit Short to Battery | DDM | Go To PINPOINT TEST J . |
| B2360 | Window Motor Control Output Circuit Failure | DDM | Go To PINPOINT TEST L . |
| B2477 | Module Configuration Failure | DDM | REFER to MODULE COMMUNICATIONS NETWORK . |
FRONT ELECTRONIC MODULE (FEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| B1342 | ECU is Defective | FEM | CLEAR the DTC. REPEAT the FEM self-test. If DTC B1342 is retrieved, INSTALL a new FEM. REFER to MODULE COMMUNICATIONS NETWORK . REPEAT the self-test. |
| B1676 | Battery Pack Voltage Out of Range | FEM | REFER to GENERATORS & REGULATORS . |
| B2477 | Module Configuration Failure | FEM | REFER to MODULE COMMUNICATIONS NETWORK . |
REAR ELECTRONIC MODULE (REM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| B1342 | ECU is Defective | REM | CLEAR the DTC. REPEAT the REM self-test. If DTC B1342 is retrieved, INSTALL a new REM. REFER to MODULE COMMUNICATIONS NETWORK . REPEAT the self-test. |
| B1676 | Battery Pack Voltage Out of Range | REM | REFER to GENERATORS & REGULATORS . |
| B2174 | Window Driver Rear Remote Up Switch Short to Battery | REM | Go To PINPOINT TEST J . |
| B2178 | Window Driver Rear Remote Down Switch Short to Battery | REM | Go To PINPOINT TEST J . |
| B2190 | Window Passenger Rear Remote Up Switch Short to Battery | REM | Go To PINPOINT TEST J . |
| B2194 | Window Passenger Rear Remote Down Switch Short to Battery | REM | Go To PINPOINT TEST J . |
| B2477 | Module Configuration Failure | REM | REFER to MODULE COMMUNICATIONS NETWORK . |
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.