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 Cadillac Seville SLSFACTORY OEM SERVICE PROCEDURE
Power Window DTCS
POWER WINDOW DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| B1656 | EEPROM WRITE ERROR |
| B1982 | SOURCE/BATTERY VOLTAGE TOO HIGH |
| B1983 | SOURCE/BATTERY VOLTAGE TOO LOW |
| B2200 | LEFT FRONT WINDOW SWITCH IN MASTER SWITCH ASSEMBLY STUCK IN UP POSITION |
| B2201 | LEFT FRONT WINDOW SWITCH IN MASTER SWITCH ASSEMBLY STUCK IN DOWN POSITION |
| B2212 | RIGHT FRONT WINDOW SWITCH IN MASTER SWITCH ASSEMBLY STUCK IN UP POSITION |
| B2213 | RIGHT FRONT WINDOW SWITCH IN MASTER SWITCH ASSEMBLY STUCK IN DOWN POSITION |
| B2214 | LEFT REAR WINDOW SWITCH IN MASTER SWITCH ASSEMBLY STUCK IN UP POSITION |
| B2215 | LEFT REAR WINDOW SWITCH IN MASTER SWITCH ASSEMBLY STUCK IN DOWN POSITION |
| B2216 | RIGHT REAR WINDOW SWITCH IN MASTER SWITCH ASSEMBLY STUCK IN UP POSITION |
| B2217 | RIGHT REAR WINDOW SWITCH IN MASTER SWITCH ASSEMBLY STUCK IN DOWN POSITION |
| B2202 | RIGHT FRONT WINDOW SWITCH STUCK IN UP POSITION |
| B2203 | RIGHT FRONT WINDOW SWITCH STUCK IN DOWN POSITION |
| B2204 | LEFT REAR WINDOW SWITCH STUCK IN UP POSITION |
| B2205 | LEFT REAR WINDOW SWITCH STUCK IN DOWN POSITION |
| B2206 | RIGHT REAR WINDOW SWITCH STUCK IN UP POSITION |
| B2207 | RIGHT REAR WINDOW SWITCH STUCK IN DOWN POSITION |
| B3203 | REAR WINDOW LOCK-OUT SWITCH STUCK HIGH |
| B3282 | RIGHT FRONT DOOR EXPRESS DOWN SHORTED TO GROUND |
| B3287 | LEFT REAR DOOR EXPRESS DOWN SHORTED TO GROUND |
| B3292 | RIGHT REAR DOOR EXPRESS DOWN SHORTED TO GROUND |
| U1161 | LOSS OF RIGHT FRONT DOOR MODULE SIMPLE BUS SERIAL DATA |
| U1162 | LOSS OF LEFT REAR DOOR MODULE SIMPLE BUS SERIAL DATA |
| U1163 | LOSS OF RIGHT REAR DOOR MODULE SIMPLE BUS SERIAL DATA |
| U1170 | LOSS OF MASTER SWITCH ASSEMBLY SIMPLE BUS SERIAL DATA |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.