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Author Topic: Rear hatch won't work  (Read 12831 times)
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nemesis21
Guest
« Reply #15 on: September 25, 2004, 09:06:23 PM »

My Tek pulled the same problem again today. I am worried that my BCM may be going bad because this is the second time this has happened in a month. I think I have heard that if this happens on a regular basis it is a signal that the BCM  is going out. Is there any way to get it checked out?

 Thanks
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JediSkipdogg
Guest
« Reply #16 on: September 25, 2004, 09:46:34 PM »

I would most likely say that your BCM is going out.  WHen mine was replaced it was because I lost all power in the vehicle after it was turned off.  3 minutes after the vehicle was turned off, the entire thing shut down all electrical functions.  As for testing it, nothing you can do.  You can take it to a dealer and they can test it for you buy connecting it to their Tech2 and seeing if a BCM code is there, but most likely they won't even do that once you tell them the problem.  And then you will have to have it replaced or go through the hectic of having your rear hatch not work or resetting the BCM each time.  The problem with resetting the BCM is that you clear any codes out, and then if you have another problem, they may not be able to diagnose it properly without that code, and then it would be a guessing game for them and lots of hell for you.  Like I've said in other posts, if you are out of warranty, it will range from them replacing it for free (very unlikely) to them replacing it at about half cost or around there of the original $800 to do it.
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nemesis21
Guest
« Reply #17 on: September 27, 2004, 10:40:00 AM »

Since it's only the rear hatch and no other electrical parts, could it be something specific to the rear hatch (like the locking mechanism). This might be wishful thinking but if my BCM is going bad why aren't other electronic pieces failing as well as the rear hatch?

Also I'm only over the warranty by months not miles (just rounded 22K). Do you think I have a good chance of getting it replaced by GM or a dealership?

Thanks
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Newfie Hauler
Guest
« Reply #18 on: September 27, 2004, 10:48:22 AM »

Nemesis,

Since it is only the rear liftglass that is the problem, it could very well be a problem with just the rear liftglass mechanism or wiring.  Keep in mind that the rear "lock" is more of an electrical switch than it is a mechanical lock.  That lock does not move conventional lockrods, but actuates the latching mechanism.  The BCM may in fact store a repair code for the problem that you are experiencing.  A dealer can extract the code from the Tek via a Tech2 or as I know we have said in some other posts, some auto parts stores may be able to do that as well.  If you are able to get a code at an auto parts store, my service manuals will be able to somewhat pinpoint the cause.  It will most likely involve some further testing.

As far as getting the repair covered by a dealer, tough to say, it doesn't hurt to ask.  The worst that can happen is that they tell you no.

Newfie
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nemesis21
Guest
« Reply #19 on: September 27, 2004, 03:52:42 PM »

Could it maybe just be a bad fuse since everytime I pull and replace it works. The fust could be faulty or on its way out. Maybe I'll try that.
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JediSkipdogg
Guest
« Reply #20 on: September 27, 2004, 06:37:43 PM »

I don't think it's a fuse because I know the rear hatch is tied into other devices.  It's tied into the complete locking system, so if it was a fuse, you would have no locks.  

I would agree with Newfie about maybe just trying to take it to an autoparts store to pull a code or even a dealership.  Don't do the battery thing or pulling the BCM fuse though or else you will lose the codes and have to wait till it happens again.  
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nemesis21
Guest
« Reply #21 on: September 28, 2004, 09:27:13 AM »

I'm pretty sure my BCM went out last night...

"Security/Service Engine Soon" light is on
"LOCKED" reads on the stereo, but CD eject worked last night
DIC/Odometer work (light up)
Head lights, fog lights, high beams worked last night (not this morning)
NO instrument cluster lights at all!!!
NO power door locks, windows, or mirrors
Driver's side power seat works
NO dome or interior lights work
Of course rear hatch won't work
Turn signals do work
Key fob is useless
Reading lamps are dead

Car runs but that's it

Where on the Tek is the BCM located? I'm thinking that maybe the couch that hit me may have hit it. Anyway I told the insurance about the other stuff yesterday and call them this morning about all my electrical components not working. Hopefully the dealership will find a link to the BCM from the couch thing and the insurance will pay for it.

This has been a terrible last couple of days.

nemesis21
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JediSkipdogg
Guest
« Reply #22 on: September 28, 2004, 09:57:26 AM »

I guarantee you the couch didn't hit it.  The couch would have a more likely chance of killing you than hitting the BCM.  Ok, with that being said, the BCM is located under the two cup holders inside the Tek.  I'm not sure if it's under the front or rear one, but that's the general area.  With all of those problems you mentioned, that is the BCM.  

As for getting it covered for the accident, that may be hard.  Usually dealerships when they do insurance estimates have to be very accurate because it's a federal crime to falsify those.  However, maybe they will.  

I wish you luck in getting it fixed and hope that it doesn't cost you too much for a new BCM.  Maybe they can make it even cheaper with the accident though, like throw the labor on the accident part, and then cut you 50% of the actual BCM unit itself (not sure how much that is.)
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Newfie Hauler
Guest
« Reply #23 on: September 28, 2004, 09:27:40 PM »

Nemesis,

I am in agreement with you and Jedi on this one.  It does sound like it is in fact the BCM.  I was hoping that the issue would have stayed related to just the rear liftglass, but obviously it didn't.  

When you hit the couch, did it take out any electrical devices (headlamps, etc.)?  I suppose it is possible that if a headlamp housing was shattered, it may have caused a short circuit and may have blown the BCM.  It would be a long shot though.  By the sounds of it, you were already experiencing problems before that incident happened anyway.

First try the dealer and see what they say.  If they are unable to assist you, you may want to contact Pontiac Customer Assistance.  Considering the low mileage on your Tek, they may be willing to provide some assistance.

Newfie
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nemesis21
Guest
« Reply #24 on: September 29, 2004, 05:28:25 PM »

Thanks Newfie and Jedi,

I was mistaken, for some reason I thougt the BCM was underneath the body and not underneath the cup holders. My mistake (just a little bit of wishful thinking I think).
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JediSkipdogg
Guest
« Reply #25 on: September 29, 2004, 06:28:29 PM »

BCMs are ALWAYS inside the vehicle.  I know on the Montana they are up under the dash in the drivers area and take about 2 minutes to take out and install a new one (the Montana designer was smart.)  I just wish the Aztek designer was smart when placing components.
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nemesis21
Guest
« Reply #26 on: October 01, 2004, 08:01:50 AM »

The dealership called and confirmed it was my BCM. They quoted me $503.53 for a fix, but I asked the body shop manager if he would call Pontiac and see about getting it fixed since I'm only 3 months out of warranty and just turned over 22k. I told him the BCM shouldn't be a month thing it should be a mi thing. I think I took him a little by suprise since I now know so much about the BCM thanks to this site. I think he seemed to agree with me and seemed willing to help if he could. He turned it over to my insurance and it will be up to them if they will cover it. I'll let you know what they say.

Thanks for all your help

nemesis21
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nemesis21
Guest
« Reply #27 on: October 01, 2004, 09:49:31 AM »

Insurance is going to cover it!!! What an answered prayer! Just to clarify GM has told all dealers to only install the Version 3 BCM correct (part # 15143352)? I wouldn't want them to install a new Version 1 or 2. That would be stupid and hopefully they know that. I supposed to get it back on Tuesday, but I probably won't be able to pick up my Tek until Wednesday due to work. I can't wait to have it back.
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nemesis21
Guest
« Reply #28 on: October 07, 2004, 06:23:51 PM »

Yeah! I'm supposed to get my Tek back tomorrow. I can't wait to have it back.
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JAztek
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Posts: 508


« Reply #29 on: October 07, 2004, 08:12:40 PM »

The cause of my liftgate malfunction has been diagnosed by my Pontiac service dept. as a failed "liftgate accentuator". I haven't had any other screwy symptoms such as those related to the notorious BCM failure.  
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Maroon '01 1sb+ AWD & Tow package, Leather 6-way power bucket seating,
Remote Pioneer 10 cd changer, 16" alloy wheels, XM-Radio
Judy (&Jerry), Central Oregon Coast
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