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.
2004 Lincoln LS 3.0 SFACTORY OEM SERVICE PROCEDURE
Wiper/Washers DTCS
WIPER/WASHERS (FEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1342 | ECU failure | FEM | CLEAR the DTC. REPEAT the FEM self-test. If DTC B1342 is retrieved, INSTALL a new FEM. REFER to MODULE COMMUNICATIONS NETWORK - LS . REPEAT the self-test. |
| B1479 | Low washer fluid level switch circuit failure | FEM | REPAIR the low washer fluid indicator lamp. REFER to INFORMATION, GAUGES & WARNING DEVICES for the correct diagnostic direction. |
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.