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 INDEXAUTOLAMP SYSTEMS DTCSAUTOLAMP SYSTEMS FRONT ELECTRONIC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
1999 Ford Windstar Base, Van Cargo, 3.8 4
AUTOLAMP Systems Front Electronic Module Diagnostic Trouble Code (DTC) List
1999 Ford Windstar Base, Van Cargo, 3.8 4SECTION AUTOLAMP Systems Front Electronic Module Diagnostic Trouble Code (DTC) List
FRONT ELECTRONIC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1294 | Battery Power Relay Circuit Short To Battery | J |
| B1342 | ECU Defective | Clear and document all DTCs. Perform FEM self-test. If DTC B1342 is retrieved again, replace Front Electronic Module (FEM). |
| B1499 | Left Turn Signal Circuit Failure | AA |
| B1501 | Left Turn Signal Circuit Short To Battery | AA |
| B1503 | Right Turn Signal Circuit Failure | Z |
| B1505 | Right Turn Signal Circuit Short To Battery | Z |
| B2480 | LF Cornering Light Output Short To Battery | AH |
| B2482 | RF Cornering Light Output Short To Battery | AG |
| B2491 | RF Parking Light Output Short To Battery | AN |
| B2493 | LF Parking Light Output Short To Battery | AO |
| B2499 | Courtesy Lamp Output Failure | DTC only applies to models with stepwell/puddle light option. On models without stepwell/puddle light option, a false DTC will be recorded and DTC 2499 should be ignored. |
| B2500 | Courtesy Lamp Output Circuit Short To Voltage | See INTERIOR LIGHTS wiring diagram. |
| B2501 | LF Headlight Low Beam Circuit | If inoperative, perform TEST F . If always on, perform TEST G . |
| B2502 | LF Headlight Low Beam Circuit Short To Battery | F |
| B2503 | RF Headlight Low Beam Circuit Failure | D |
| B2504 | RF Headlight Low Beam Circuit Short To Battery | D |
| B2505 | LF Headlight High Beam Circuit Failure | F |
| B2506 | LF Headlight High Beam Circuit Short To Battery | F |
| B2507 | RF Headlight High Beam Circuit Failure | D |
| B2508 | RF Headlight High Beam Circuit Short To Battery | D |
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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.