Question about 2002 Chevrolet TrailBlazer
When the module is plugged in, each window goes up or down but with a skip or miss, then it quits working. unplug it or the harness or cut power then plug in or apply power & it works again for a few. If I leave everything plugged in for the night, my battery goes dead. took apart & found the switch module is p/n 15085580 which I can't find. Is this the problem &/or does it need to be reprogrammed into the system
I believe you need a new switch in drivers door goto a wrecker , new GM ones are $$$$$, happened to me, i just unhooked battery to clear a CEL and had window open at the time ( won't do that again ) and door locks and drivers window won't work ,, checked fuses ,everything good then took door apart and put power to window motor was able to put it up, googled and found lots of people in same boat , hope it works for you ,,,,D
Posted on Dec 05, 2009
It sounds like you may a faulty door lock switch. If you pushed the switch to lock the doors and the switch stuck and kept door lock solenoids energized, that would drain the battery. It would also keep the door locks from unlocking, as to why window don't work it could all be on the same fuse or circuit breaker. Usually the power windows are on an automatic reset circuit breaker. Do you hear click and a short time later another click (with the battery charged)? If so that the circuit breaker tripping then resetting. Good luck!
Posted on Dec 20, 2009
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Passenger Door Module (PDM)
Body Control Module (BCM)
RR power window switch
Window up and window down relays in each of the rear passenger window switches
Window lockout switch
Reversible power window motors in each of the doors (circuit breaker protected)
LT DOOR CB 25A (System power for left windows)
RT DOOR CB 25A (System power for right windows)
The DDM contains four power window switches which are integral components. Closing any of the normally open, rocker type switches provides the DDM with a request for power window operation. The switches for the two front windows have three positions UP, Down and Express Down, while the switches for the rear windows have only two positions, UP and Down. Each of these switches and their positions is a direct input into the DDM. Upon receiving a request for power window operation, the DDM, transmits a Class 2 message indicating the switch and it's changed position.
The PDM contains a single power window switch that is an integral component. Closing of this normally open, rocker switch provides the PDM with a request for the front passenger power window operation. The switch for the front passenger window has two positions Up and Down. Each of these switch positions is a direct input to the PDM.
The two rear passenger doors have there own switches. Each of the switches contain a power window up and down relay. A switch activation alone can control the up and down functions of the rear windows. However the BCM, upon receiving a Class 2 message from the DDM, can control the set of relays which will activate the rear window motors.
You need a scan tool to diagnose these systems
Power Window Inoperative - Driver Door
Did you perform the Door Systems Diagnostic System Check?
Go to Step 2
Go to Diagnostic System Check - Door Systems
Operate the driver power window in the UP and DOWN directions.
Does the driver power window operate properly?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
Go to Step 3
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