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.
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HOMESERVICE MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1014 (INTERIOR LIGHTING SYSTEM)DIAGNOSIS AND TESTINGINTERIOR LIGHTINGLIGHTING CONTROL MODULE (LCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
2004 Ford Econoline E150, Van Cargo, 4.6 W
Lighting Control Module (LCM) Diagnostic Trouble Code (DTC) Index
2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION Lighting Control Module (LCM) Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
LIGHTING CONTROL MODULE (LCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | DTC Caused By | Action |
|---|---|---|---|
| B1334 | Decklid Ajar Rear Door Circuit Short To Ground | LCM | GO to PINPOINT TEST J . |
| B1342 | ECU-Defective | LCM | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new LCM. REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| B1688 | Dome Lamp Input Short to Ground | LCM | GO to PINPOINT TEST C . |
For a complete listing of all LCM DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES .
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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.