Thread: sunroof not working properly

ok so ever since i got my 99 gtp i have had this problem.... when i hit the switch to crack the sunroof open it barely goes up at all. Than when i hit it again it goes up all the eay and slides back only about half way and stops and wont go any further. Even if i hit the switch more it wont go back any farther. Its pissing me off and i want it fixed by spring time.Can someone please help me Thank you very much

Bryant

I have another switch assembly for 30 shipped but I dont know that it is the problem

well i kinda dont think itsx the switch... it sounds like a mybe a postition sensor or something

and when the sunroof goes back halfway and stops... the motor makes no noise at all and nothing happens. no sounds or anything

i was gona say the track but if theres no sound the motors probably going bad. mine does the same crap. but when i can keep hitting it and it will open eventually

i have a motor too

Originally Posted by Reddcurrlz

I have a similar problem, but when I push the button, it pops up then makes a loud, grinding noise and stops. I'm afraid to push it in case it gets stuck OPEN. That wouldn't be good. My mechanic told me to take it to a body shop, so I did and they didn't know what to tell me. Any suggestions? I'm going to sell it in a month or so and want to get that taken care of, since I'm in Florida

Idk why they sent you to a body shop if its never been hit then theres no damage to casue it to twist. does the mtr still make noise when it stops? it may be the tracks and the whole sunroof frame needs replace bogus

thats what mine does. I think theres a short somewhere bw the motor and switch idk though. i just have to hit mine again until its open. have you tried putting graphite in the tracks?

yea the frame of it where the sliding parts are. if its intermittent and not binding then its in the wiring or motor/module <---which come as one piece

Bryant, I'm not sure about the 97-03's but mine does the same thing and I was told by the parts guy at the local pontiac dealer that it is most likely the position sensor.

yes but where is the position sensor???

it shouldbe by the module

the sunroof control module monitors the limit switches and based on the inputs determines the position of the sunroof glass. as a limit switch closes, the 5 volt reference will be shorted to the sunroof limit switch low reference circuit, pulling down the 5 volts refrence to 0.

the sunroof control module understands the position of the sunroof glass based on the different input combinations through the sunroof limit switch soft stop signal and sunroof limit switch open vent signal circuits

pull down the headliner you should see the module and sops

1. remove headliner
2. remove tie strap from the wiring harness
3. disconnect the screws from the sunroof actuator
4. disconnect the electircal connector from the wiring harness
5. pull straight down to disengage the drive gear from the sunroof opening positioning switch
6. Remove the sunroof actuator from the sunroof module

install

1. position sunroof actuator to the module
2. connect electrical wiring harness
3. push the sunrooof actuator straight in the engage its drive gear into the sops
4. install the sunroof actuator screws to the sunroof actuator
5. install the tie strap to the wiring harness
6. make sure it works before reinstalling the headliner as it is a pain in the *** trust me

ok im sorry if someone freaks out about me bringin up my old thread but im trying to get this dignosed... here is exactly what my sunroof is doing

2011-02-15_17-10-16_521.mp4 video by 1999blackgtp - Photobucket

and when it stops it does not make any noise or anything when i hit th ebutton. its just like it dies, or it thinks it is all the way back. Please someone help me

Dude, really try and reset the comp. My windshield wippers got stuck in the up position and after I reset the comp, it never happened after that.