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.
1999 Ford Taurus SHOFACTORY OEM SERVICE PROCEDURE
Power Windows DTCS
GENERIC ELECTRONIC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test (After making any repair, repeat Generic Electronic Module (GEM) self-test using NGS tester.) |
|---|---|---|
| B1302 | Delayed Accessory Relay Coil Circuit Failure | DTC B1302 |
| B1304 | Delayed Accessory Relay Coil Circuit Short To Voltage | DTC B1304 |
| B1342 | ECU Defective | Using NGS tester, retrieve and document all continuous DTCs. Perform Generic Electronic Module (GEM) self-test. If DTC B1342 is retrieved again, replace GEM. |
| B1398 | Driver's Door Window One-Touch Relay Circuit Failure | DTC B1398 |
| B1400 | Driver's Door Window One-Touch Relay Circuit Short To Voltage | DTC B1400 |
| B1405 | Driver's Door Window Down Circuit Short To Voltage | DTC 1405/B1408 |
| B1408 | Driver's Door Window Up Circuit Short To Voltage | DTC 1405/B1408 |
| B1410 | Driver's Door Window Motor Circuit Failure | DTC B1410 |
| B1475 | Delayed Accessory Relay Contact Short To Voltage | DTC B1475 |
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.
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