My 2003 Cadillac Deville power windows are not working correctly. I noticed last week my rear passenger window switch didn't work, but could open and close with driver switch. Now, drivers rear and front passenger window switches aren't working, but all windows can still be opened and closed by drivers switch control. Both front windows are opening with just the drivers side window switch.

The following components are used to control the power windows:
• Driver door module (DDM)
• Passenger front door module (PDM)
• LH rear door module (LRDM)
• RH rear door module (RRDM)
• Driver door switch assembly (DDSA)
• RH front power window switch
• LH rear power window switch
• RH rear power window switch
• LH front power window motor
• RH front power window motor
• LH rear power window motor
• RH rear power window motor
• Class 2 serial data link
• DR MOD PWR C/B 30 Amp circuit breaker
• DRIVER DR MOD 10 Amp fuse -- DDSA and DDM logic, DDM internal driver operation.
• PSGR DR MOD 10 Amp fuse -- PDM logic and internal driver operation.
• REAR DR MOD 15 Amp fuse -- LRDM and RRDM logic and internal driver operation

It can be issue with motor itself.If its not going up,then how its working down.But still it feels like weak window motor or is issue with power window switch.Get the voltage tested at switch and motor.Also try another working window motor at not working window side.
==========For more troubleshooting i suggest go through the help links mentioned below:-----
Its complete details with troubleshooting steps:------
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These details will help.Thanks.

Window regulator is bad in the drivers door . Do you know what a regulator is ? The Trainer 24 Power Window Troubleshooting Do you know anything about automotive electrical testing ? How to read an use a wiring diagram ? Do you know there are two side to a electrical circuit ? B+ voltage an a ground side . Plus there is electronic control modules and class 2 serial data network involved . When you push the switch for a window othen then drivers window on the drivers door . a class 2 message is sent to the other doors modules . The correct module will then open it's window .
http://www.bbbind.com/free_tsb.html Check out free wiring diagram here .Enter vehicle info . year , make , model and engine size. Under system click on body & accessories , subsystem click power windows . Click search button , then click each link one at a time .

Power Windows Operation
The vehicle is equipped with power windows controlled by the door modules. Each passenger door power window can be operated, either from a switch built into the driver door switch assembly (DDSA), or from a switch mounted locally on its associated door. The driver door power window can only be operated from the switch built into the DDSA.
If the driver door module (DDM) receives a window switch request from any of the window switches built into the DDSA, the DDM checks the Class 2 serial data to see if conditions are correct (i.e. ignition switch position) to permit window operation to occur. If conditions are correct, the DDM, either supplies power and ground to its associated window motor, or sends a command via the power door serial data line to the passenger door module controlling the window. The passenger door module controlling the window then supplies power and ground to its associated window motor to move the window as requested.
When one of the local window switches mounted on one of the passenger doors is operated, the associated passenger door module examines the request and checks to see if there are any messages from the DDM prohibiting the window operation. If conditions are correct, and no prohibitive messages have been received from the DDM, the associated passenger door module then supplies power and ground to its associated window motor to move the window as requested.


Class 2 data network wires under the carpet behind driver seat. Water shorts out the network an and it won't work .
your looking for tan/white wire's and a connector . This is where the problem is .

switch

Does the rear window work from the passenger switch?

get new switcthes for rear windows

The drivers switch on GM cars has the window control module built into it. This is more than likely your problem, it is very common for this.

The window has slipped of the track.Try moving it up and down, back and forth. Gently. Try it.

had it servicedby a technician