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.
2002 Ford Windstar BaseFACTORY OEM SERVICE PROCEDURE
Interior Lighting DTCS
INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| B1342 | ECU Defective | ICM | CLEAR and DOCUMENT the DTCs. CARRY OUT the ICM Self-Test. INSTALL a new instrument cluster if DTC B1342 is retrieved again. REFER to INSTRUMENT CLUSTER |
| B2477 | Module Configuration Failure | ICM | REFER to MODULE CONFIGURATION . |
| - | All Other DTC's | ICM | REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES . |
FRONT ELECTRONIC MODULE (FEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| B1294 | Battery Power Relay Circuit Short to Battery | FEM | REFER to SWITCHED SYSTEM POWER (SSP) RELAY INDEX. |
| B1319 | Driver Door Ajar Circuit Failure | FEM | Go To PINPOINT TEST I: THE COURTESY LAMPS STAY ON CONTINUOUSLY - ALL OVERHEAD DOME, MAP, READING, AND STEPWELL, PUDDLE LAMP . |
| B1327 | Passenger Door Ajar Circuit Failure | FEM | Go To PINPOINT TEST I: THE COURTESY LAMPS STAY ON CONTINUOUSLY - ALL OVERHEAD DOME, MAP, READING, AND STEPWELL, PUDDLE LAMP . |
| B1342 | ECU Is Defective | FEM | INSTALL a new FEM; refer to MULTIFUNCTION ELECTRONIC CONTROL MODULES . CLEAR the DTCs. REPEAT the self-test. |
| B2499 | Courtesy Lamp Output Failure (NOTE : Stepwell/puddle lamps are optional. This DTC will be recorded if the vehicle is not equipped with these lamps. Check if the vehicle is equipped with this option. | FEM | If the courtesy lamps are inoperative, Go To PINPOINT TEST E: THE COURTESY LAMPS ARE INOPERATIVE - STEPWELL AND PUDDLE LAMPS . If the courtesy lamps stay on continuously, Go To PINPOINT TEST K: THE COURTESY LAMPS STAY ON CONTINUOUSLY - ALL STEPWELL/PUDDLE LAMPS . |
| B2500 | Courtesy Lamp Output Circuit Short to Battery | FEM | Go To PINPOINT TEST E: THE COURTESY LAMPS ARE INOPERATIVE - STEPWELL AND PUDDLE LAMPS . |
| U1135 | SCP (J1850) Invalid or Missing Data for Ignition Switch/Starter | ICM | CARRY OUT the instrument cluster self-test. |
| U1178 | SCP (J1850) Invalid or Missing Data for Climate Control (HVAC) | ICM | CARRY OUT the instrument cluster self-test. |
| U1262 | SCP (J1850) Communication Bus Fault | - | REFER to MODULE CONFIGURATION . |
| - | All Other DTC's | FEM | REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES . |
REAR ELECTRONIC MODULE (REM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
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.