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.
2000 Cadillac DeVille BaseFACTORY OEM SERVICE PROCEDURE
Power Window System
- Description
- Operation
- Component Locations
- Adjustments
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- DTC B3172: Passenger Window Up Switch Circuit Low, DTC B3177: Passenger Window Down Switch Circuit Low Or DTC B3282: Passenger Window Switch-Express Circuit Low
- DTC B3377: Left Front Window Up Switch Circuit Low, DTC B3382: Left Front Window Down Switch Circuit Low, DTC B3387: Right Front Window Up Switch Circuit Low, Driver's Door, DTC B3392: Right Front Window Down Switch Circuit Low, Driver's Door, DTC B3397: Left Rear Window Up Switch Circuit Low, Driver's Door, DTC B3452: Left Rear Window Down Switch Circuit Low, Driver's Door, DTC B3457: Right Rear Window Up Switch Circuit Low, Driver's Door, DTC B3462: Right Rear Window Down Switch Circuit Low, Driver's Door, DTC B3467: Left Front Express Down Circuit Low, DTC B3472: Right Front Express Down Circuit Low, DTC B3517: Left Rear Express Down Circuit Low, Driver's Door Or DTC B3522: Right Rear Express Down Circuit Low, Driver's Door
- DTC B3527: Window Lock-Out Switch Circuit Low
- DTC U1161: Loss Of PDM Serial Data, DTC U1162: Loss Of LRDM Serial Data, DTC U1163: Loss Of RRDM Serial Data Or DTC U1170: Loss Of Driver's Door Switch Assembly Serial Data
- Symptom Tests
- Removal & Installation
- Wiring Diagrams
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.