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Master door switch opens driver door window but not 3 other windows, works rear view mirror, is module have to be programmed?

2000 Buick lesabre limited

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  • Cars & Trucks Master
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Do the other windows work from thier own switche's ? I would think this is a problem with the SBI - simple bus interface . Do you know anything about serial data communication networks ? When you use the driver door switch to open a passenger window ,the driver door module sends a message on the data network to the other door modules . I remember reading about a data network problem , windows wouldn't work ! Under the carpet behind the driver seat is a connection that corrodes an cause this . Has the carpet gotten wet ? Tan with white stripe wire .

Posted on May 15, 2017

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  • Robert Vaughn
    Robert Vaughn May 16, 2017

    Jeff, thanks for something to look for but I'm not COMPUTER SAVVY & not familiar w/ SBI interface. I read somewhere that you may have to take car to your dealer and have it programmed, 2000 buick lesabre,I'll try your suggestion first,but thanks so much for input! Rjv

  • Jeff Armer May 16, 2017

    Did you replace the module ?

  • Robert Vaughn
    Robert Vaughn May 16, 2017

    Jeff, no not yet. Thanks

  • Jeff Armer May 16, 2017

    Door modules do not need to be programmed !

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2000 le sabre, power windows, door locks, side mirrors, not working all of a sudden


All - driver - passenger - front an back ? Look for broken wires inside the rubber boot from the body to the door ,driver side !

Power Windows Operation
Power Windows
The vehicle is equipped with power windows controlled by the door modules. The DDM receives a window switch request, over the SBI serial data, from either the passenger door module wired to the window switch pressed or from the driver door switch assembly. The DDM checks the Class 2 serial data to see if the status information is correct (i.e. ignition switch position) to permit window operation.
If the status information to permit window operation is correct, the DDM sends the command to the door module controlling the window to move the window as requested.
Windows Power and Ground
The windows are powered by discreet power and ground circuits. These circuits are in the same dedicated connector as the window motor drive circuits.

PWR/WDO 30 amp circuit breaker located in the rear fuse box ,DRVMDL fuse 10amp located in the same rear fuse box . This power the driver door module (computer )

The vehicle is equipped with power door locks. Each lock actuator is powered and controlled by the door module mounted in the individual door. The driver door module (DDM) is the master control for the door lock system but the rear integration module (RIM) contains the program that determines when the lock functions are permitted.
The exterior key cylinders are wired to either the DDM or the passenger door module (PDM), depending on the location of the key cylinder. The interior lock switches are wired to the driver door switch assembly (DDSA) and the PDM. The DDSA and the PDM send the lock switch requests to the DDM over the simple bus interface (SBI) serial data circuit. The DDM then sends the lock requests to the RIM over the Class 2 serial data circuits.
The door lock operation modes are controlled by the rear integration module (RIM). The RIM examines the requested function from the DDM, or the remote function actuator (RFA), as well as the transmission shift selector position and the ignition switch position information available over the Class 2 serial data circuits. The RIM determines if a locking function is permitted, and commands the DDM to perform the function permitted. The DDM then sends commands to the rest of the door modules via the SBI to implement the selected locking function.
All programmable modes of lock system operation are stored in the RIM. The RIM checks the lock function program selected against the lock requests, the transmission selection and ignition key switch condition to determine if the requested function is permitted. If the requested function is permitted, the RIM then commands the DDM to perform the lock function over the Class 2 serial data circuits. The DDM commands the individual door modules to perform the lock function over the SBI serial data circuit.


GOOD luck your going to need it !

Mar 13, 2017 | 2000 Buick LeSabre

1 Answer

Where is the control module for the windows and locks etc.


The vehicle is equipped with power door locks. Each lock actuator is powered and controlled by the door module mounted in the individual door. The driver door module (DDM) is the master control for the door lock system but the rear integration module (RIM) contains the program that determines when the lock functions are permitted. ( RIM ) is rear integrated module , under the back seat . Also a fuse box is also located under the back seat.
The door lock operation modes are controlled by the rear integration module (RIM). The RIM examines the requested function from the DDM, or the remote function actuator (RFA), as well as the transmission shift selector position and the ignition switch position information available over the Class 2 serial data circuits. The RIM determines if a locking function is permitted, and commands the DDM to perform the function permitted. The DDM then sends commands to the rest of the door modules via the SBI to implement the selected locking function.
The vehicle is equipped with power windows controlled by the door modules. The DDM receives a window switch request, over the SBI serial data, from either the passenger door module wired to the window switch pressed or from the driver door switch assembly. The DDM checks the Class 2 serial data to see if the status information is correct (i.e. ignition switch position) to permit window operation.
Your best bet is take the vehicle to the dealer or a repair shop that knows how the system works . Are you familiar with GM class 2 serial data communication network ? You could inadvertently render your vehicle unable to start an run if the class 2 bus were to become shorted to ground .
You
Buick Class 2 Operation Diagnosis 1998

May 03, 2016 | 2000 Buick LeSabre

1 Answer

Window open during rain on 2000 buick lesabre,now nothing works from drivers door or any door. can't any blow fuse or curcit breakers. lights even won't come on. Have power on orange at door panel moduel....


Could be something in the wiring harness or the master switch.
You'll have to use a meter or test light to track the power and grounds. I would start with the master switch. There is also a door module in the circuit.

Aug 08, 2013 | 2001 Buick LeSabre

2 Answers

2004 buick park avenue passenger windows and mirrors do not work


They look good, what does that mean, you tested them and voltage is present to the window motor and mirror? The easiest way to test is with a 12 volt probing test light. they cost about $5 for the cheapest ones.

Jul 09, 2017 | Buick Park Avenue Cars & Trucks

2 Answers

Doorlocks dont work except from passenger side. mirrors dont work. windows dont work from anywhere


First, check all fuses to make sure that none are blown.

If the door lock switch works on the passenger side, then the drivers side door lock switch is probably faulty. Use a multi-meter to test the Drivers Side Door Lock Switch (Black and Pink/Light Green wires unlock the vehicle, and the Black and Pink/Yellow wires lock the vehicle)
If the switch is tested and found to be operating properly, you may have a faulty Body Security Module or Drivers Side Door Lock Actuator.

If neither of your Power Mirrors are working, you probably have a faulty Exterior Rear View Mirror Switch, Power Mirror Module, or blown Central Junction Box Fuse.

If none of your Power Windows are working, you probably have a faulty Accessory Delay Relay or a blown fuse in your Central Junction Box or a faulty Master Window Adjust Switch (all of the Power Window Switches feed through this Master Window Switch). If the Power Windows didn't stop working at the same time, you may have faulty Window Adjust Switches, or faulty Power Window Motors, this is very unlikely though. It would also be a good idea to inspect the wiring for any obvious damage.

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1 Answer

2000 buick lesabre all windows not working also door locks trunk release and radio speakers? fuses all check good could it be the drivers door module?


if the drivers door window works you probably have a open in the serial data line.i have found the data line corroded under the drivers seat causing this problem on other vehicles.you need to check for continuity on the data line between the driver door module and either one of the other door modules.the data line is tan with a white stripe.if it does not have continuity it is probably corroded under the drivers seat beneath the carpet.keep posted.

Mar 07, 2011 | 2000 Buick LeSabre

1 Answer

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check through your fuse box and see if you have any blown fuses hope this helps regards JIm

Mar 28, 2009 | 2000 Buick LeSabre

1 Answer

Need instructions for replacing 94 Buick LeSabre window module.


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