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 MANUALSFORD1999WINDSTAR BASE, VAN CARGO, 3.8 4REPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONDTC INDEXPOWER WINDOWS DTCSFRONT ELECTRONIC MODULE (FEM) DTCS
1999 Ford Windstar Base, Van Cargo, 3.8 4
Front Electronic Module (Fem) DTCS
1999 Ford Windstar Base, Van Cargo, 3.8 4SECTION Front Electronic Module (Fem) DTCS
FRONT ELECTRONIC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1243 | Express Down Switch Circuit Short To Voltage | H |
| B1304 | Accessory Delay Relay Coil Circuit Short To Voltage | D |
| B1342 | ECU Defective | Clear and document all DTC. Perform Front Electronic Module (FEM) self-test. If DTC B1342 is retrieved again, replace FEM. See FRONT ELECTRONICS MODULE (FEM) |
| B1404 | Driver's Power Window DOWN Circuit Open | E |
| B1405 | Driver's Power Window DOWN Circuit Short To Voltage | E |
| B1407 | Driver's Power Window UP Circuit Open | E |
| B1408 | Driver's Power Window UP Circuit Short To Voltage | E |
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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.