Question about Chevrolet Suburban 1500

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Afer a heavy rain all electrical functions on the drivers door are dead. lock, windows. mirrirs, seat adj etc. once rain stops and a few hours go by all functions return to normal. this only affects drivers door, all other electrical functions operate normally.

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  • Chevrolet Master
  • 17,130 Answers

For sure there was a short in the panel board located on the driver door which is the master control.
If will be good to open the board out and look into without speculating on the possibilites.
But you can start by looking at the power to the unit , if not check for the fuse into this unit from the accessories section/window winder. If mainline has gone then find the positve to the unit or loop with a 15 amps fuse to test.
If power is present then there is a possibility that one of the logic gates( IC) or the sub processor (IC) could have failed.
But In the first place remove and dry using a hair dryer , wash with some petrol if the printed board is dirty( please disconnecct the unit to do this)
I hope you can start with these tips.
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Posted on Aug 29, 2010

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Posted on Jan 02, 2017

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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 .
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If its an all in one switch in the drivers door then that's ware Id start. Just a guess but it sounds like moisture getting in. Contact clearer might get it going.

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2006 Trailblazer LT with power everything. Driver door & buttons (window & lock control) got very wet yesterday during heavy rain. Everything worked as of 6:00pm yesterday. This morning though,...


I think you're in luck. There is a recall for the master switch due to this very issue. Act like you don't know what's wrong, they'll need to replace it to an updated one that won't be so prone to water infiltration.

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the motors stick ( freeze ) i have heard that disconect the battery for an hour helps with this,and you may need to reprogram everything after..

Open the boot lid and drivers door, and switch on the ignition. Rock the valet switch, in the centre console, 5 times. The system will chirp to indicate it has entered learning mode.

On models with seat/mirror/steering wheel memory functions, the first remote will be linked to memory 1, second to memory 2 etc.

Press the larger, lock, button of the remote. The system will chirp to confirm it has got the signal. If it doesn't receive any signals for 15 seconds, it will chirp twice and exit learn mode.

To programme further remotes, rock the valet switch once. The system will chirp twice for remote number two, three times for number three etc, then press the lock button of the remote as above.

When finish, wait 15 seconds for the system to time out and chirp twice, turn off the ignition, close the doors and boot lid and the job is done!

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1 Answer

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It may seam extremely complex this problem however its likely vary simple.What you need to do is fine out what works and what dose not . Dose the keyless work on other doors the battery is G or NG. You also mention the remote starter stopped working and D and P position no longer works correctly with the controls /switches in the drivers side door only' not the other doors ..
The control panel for the locks and window switches are on the arm rest drivers door it tends to get wet rain snow window open over time bad connections /switch contact and that is the point you need to look at first . Get some electrical contact cleaner spray into the switches not to much spillage use a tube or it may damage trim materials .
Then use the controls back and forth if you see any improvement of function starts /then stops any change you found the problem .Its in the door.

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Try running a hose on the driver's door window to see if the drain hoeles in the driver's door are plugged. Also check the drain holes in the rear window and trunk lid drains. If one of the drain holes is plugged the water will seek the next easiest way to drain (which might be to the iside of your VW Beetle.

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1 Answer

1999 cadillac seville sts driver side master control pannel dead


The same circuit breaker feeds the driver door as well as the passengers doors . The wires inside the rubber boot from the body to the door are probably broke ,power or ground wire .Or the door module is bad . Are your familiar with electronic control modules ? The door functions ,windows , lock's , memory etc... are controlled by DDM - driver door module .
Door Control System Operation
This vehicle has five modules capable of performing door system control functions. Vehicle door system components (windows, locks, mirrors, etc.) are controlled directly by these modules. There is a door module located inside of each vehicle door:
• Driver Door Module
• Passenger Door Module
• LH Rear Door Module (LRDM)
• RH Rear Door Module (RRDM)
• LH Front Power Window Switch
Simple Bus Interface (SBI)
Each Door Module communicates with the other Door Modules on the SBI. The driver door module is the only Door Module that is capable of communicating over the Class 2 Data Line as well as the SBI.
Driver Door Module
The driver door module directly controls the LH Front door lock actuator, power window motor and the outside rear view mirror. The driver door module sends and receives messages received from the LH Front Power Window Switch to the passenger door module, LRDM and RRDM modules over the Simple Bus Interface (SBI) line. Also, the driver door module sends and receives message from other vehicle system modules via the Class 2 Data Line.
Pulling the door panel off an checking B+ voltage and ground for the module would be good for you to do , since you probably don't have a $6,000 factory Tech 2 scan tool to see if the DDM is communicating .
The driver door module has two main power feeds (high and low current), and two main grounds. The low power feed (battery 1) is used to provide power for the driver door module's logic and internal driver operation. The high power feed (battery 2) is used to provide power for systems that draw higher amounts of current (motors, lights, etc.). Operating current at the driver door module's battery should not exceed 3.0 amperes at battery 1, and 7.5 amperes (for 2 seconds) at battery 2 while the driver door module is awake, and 2.5 milliamps when the driver door module is asleep. For most driver door module functions, the driver door module will operate properly with a system voltage of 9.0-16.0 volts. If system voltages exceed 16.0 volts the driver door module will provide protection by disabling certain functions that may damage due to higher than normal system voltages.

What kind of manual do you have ? The info above is from a factory repair manual .
The fuse's ,circuit breaker for the door module are located in the rear fuse box , not under hood . PWR WDO circuit breaker 30 amp. , DRVMDL fuse 10 amp. The rear fuse box is located under the back seat . Watch this video ,different type vehicle but probably the same problem .
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1 Answer

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1. Remove the door panel for the affected window.
2. Locate and remove the bolts holding the regulator to the door; it is likely you will have to manually lower the window in order to access the bolts.
3. Remove the old regulator, disconnect all wiring and check the wiring , replace the old regulator with a new one if defective.
4. Tighten the bolts holding the new regulator and reinstall the moisture barrier. Make sure all the wires are put back in the door before closing the door panel.
5. Engage the power window switch and the new regulator should work unimpeded.

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