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 MANUALSMERCURY1999SABLE LS, 4D SEDAN, 3.0 SREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONDTC INDEXPOWER WINDOWS DTCS
1999 Mercury Sable LS, 4D Sedan, 3.0 S
Power Windows DTCS
1999 Mercury Sable LS, 4D Sedan, 3.0 SSECTION 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 |
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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.