Sunroof My problem is that my sunroof will not open, in the first stage it opens partially but twist and locks on the drivers side. I have tried to open it with the crank but am scared that if I force it it will damage something. can you help
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Sunroof Description and Operation (One Connector System)
This diagnostic procedure is to be used for the 1 connector Sunroof System that combines the sunroof control module with the sunroof motor/actuator.
The Sunroof System consists of the following components:
• BATT MAIN 2 Fuse 50 A
• Body control module (BCM)
• RAP relay
• S/Roof Fuse 20 A
• Sunroof module (includes sunroof motor/actuator)
• Sunroof switch
The Sunroof System is controlled by the sunroof switch and the sunroof motor/actuator assembly.
When the ignition is turned to RUN or ACCESSORY, or when the retained accessory power (RAP) system is active, the body control module (BCM) applies a ground to the RAP relay in the instrument panel (I/P) fuse block. This activates the RAP relay and allows battery positive voltage to be applied through the SUNROOF Fuse to the sunroof module. Ground for the sunroof module is supplied from G302.
The sunroof can be placed in 3 preset positions:
When the sunroof switch is placed in the OPEN position, a ground is applied from the sunroof switch low reference circuit , through the sunroof switch and to the sunroof switch open signal circuit. The sunroof motor/actuator then applies voltage to the sunroof motor open control circuit and applies a ground to the sunroof motor close circuit. The sunroof motor then opens the sunroof to the full open position.
When the sunroof switch is placed in the VENT position, a ground is applied from the sunroof switch low reference circuit , through the sunroof switch and to the sunroof switch open signal circuit. The sunroof module then applies voltage to the sunroof motor open control circuit and applies a ground to the sunroof motor close circuit. The sunroof motor then opens the sunroof to the VENT position.
When the sunroof switch is placed and held in the CLOSED position, a ground is applied from the sunroof switch low reference circuit , through the sunroof switch and to the sunroof switch close signal circuit. The sunroof module then applies voltage to the sunroof motor close control circuit and applies a ground to the sunroof motor open circuit. The sunroof motor then closes the sunroof.
The sunroof can be placed in any preferred open position when:
• The sunroof is in the fully opened position by pressing and holding the sunroof switch in the CLOSE position until the panel has reached the desired position then release the CLOSE switch in order to stop the sunroof
• The sunroof is opening, it can be stopped by momentarily pressing either side of the switch.
The sunroof control module, sun roof actuator, and the sunroof motor are integral parts of the sunroof module assembly and are not service separately.
Your best bet , take it to a qualified repair shop or buick dealer .
to reset any window open it half way down then let it fully close and hold the button up for about 10 seconds. do this mithod to all auto windows encloding the sunroof . afterall try them from the driver side
put key in drivers door and hold over (unlock) for 30 secs, windows go down, then open sunroof fully.then put key in drivers door and hold over(lock) for 30 secs windows will go up and sunroof will close,you have just reset the system.....if sunroof rollsback again then the park switch is faulty.
Open up the sunroof and try to unclog the drainage. You will see this from the inside of the ML by opening the whole sunroof and stickin your hear thru. On the drivers side you will see a drainage whole similar to the passenger side. Mine did the same thing and unclogged it with a straw. firstname.lastname@example.org
try this first (cheapest remedy first) open the sunroof fully take key out of ignition shut all doors then put the key in drivers door and hold key over 30 secs to unlock car(windows will go down)then wait 30 secs.then put key back in drivers door and hold key over 30 secs to lock car,windows will go up and the sunroof will close.if the sunroof does not shut properly then we start with motor park switch.....
Some customers may comment that the sunroof will no longer respond to the control switch while in a vented, partially opened, or fully opened position.
A software issue with the sunroof control module may cause the sunroof control module to incorrectly indicate a "closed" position, which may result in no power to the sunroof motor.
Verify the customer concern. If a condition is present, replace the sunroof control module with a new sunroof control module, P/N 15847643. Refer to the Service Procedure in this bulletin.
Verify the customer concern by opening and closing the sunroof.
If the sunroof will not open , check the power windows.
If the power windows are also inoperative, check the fuse. If the fuse has opened, refer to Corporate Bulletin Number 05-08-64-004 to install 30A circuit breaker.
If the power windows are fully functional, refer to "Power Sunroof Inoperative" diagnostics (SI Document ID# 1392967) in the Body section of the 2005 Chevrolet Equinox or Saturn VUE Service Manual.
If the sunroof will open (or is already open), but will not close , proceed to Step 2.
Replace the sunroof control module. Refer to "Sunroof Control Module Replacement" procedure in the Body section of the 2005 Chevrolet Equinox Service Manual (SI Document ID# 1196049) or Saturn VUE Service Manual (SI Document ID# 1710479).
Open and close the sunroof in order to confirm that the customer concern has been resolved.
Your sunroof is suffering from wind impact. Search for "sunroof deflector" in Google and you'll turn up a variety of products that will redirect air while still letting you keep the sunroof partially open. They're also nice because they let the cabin air out without becoming incredibly windy.
Alternately, you could just open it all the way so that the wind can't catch anything to vibrate.
In my experience this is not an easy fix, the Sunroof rail is either broken or the sunroof has jumped the track because of a foreign object or misalignment. Either way unless you know how to take the sunroof apart I would take it to the shop.