- #115 of 145
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Re: 2005 Envoy Electrical Problem [dburch16]
by wildernm
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Aug 10, 2007 (5:04 am)
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Replying to: dburch16 (Jan 30, 2007 12:11 pm)
After fighting with my dealership, they gave me an extended GM Protection Plan up to 84,000 or 8 years. In the meantime, they replaced the Engine Control Module and I haven't had any problems with the lights flickering or loss of voltage/power to the vehicle. But I had to get the General Manager of the dealership involved before they finally took care of the problem.
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- #116 of 145
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Re: 2005 Envoy Electrical Problem [wildernm]
by letteer
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Nov 21, 2007 (4:44 am)
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Replying to: wildernm (Jan 06, 2007 3:39 pm)
I also have an 05 XL SLT with the same flickering lghts. All I have talked the dealership into changing is the alternator which did help for a while (6 months). Mine seems to be more noticeable in colder weather. I just went back this week and they said they will try to replace the BCM (body control module) They told me that Envoy's have a PCM (power control module i think), and a BCM, but not an ECM. My question for wildernm is what did your dealership change on your Envoy, and if you don't mind doing so, could you post your dealers name (or email me) so that I can direct my dealer to them? Thanks.
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- #117 of 145
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Re: 2005 Envoy Electrical Problem [letteer]
by wildernm
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Nov 21, 2007 (6:32 am)
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Replying to: letteer (Nov 21, 2007 4:44 am)
I would recommend you contact James Koster (Quality) at 505-348-1152. Because my vehicle was in the shop so many times, we nicknamed it "Jinx". As soon as you tell him that, he'll know exactly what you're talking about. I've also noticed that I experienced more problems with the electrical system when the temperatures were significantly colder. In the meantime, here's what they've replaced on my vehicle....air pump motor, air pump assembly, secondary air injection check value solenoid, batteries, air pump hose assembly, sensor for air system, alternators, Engine Control Module (ECM), BCM, PCM, etc. There was a reprogramming for the emissions system and after that was installed, I didn't have problems with the head lights flickering; however, my check engine light kept coming on. My dealership had a very hard time getting GM to respond to them and GM is refusing to allow the dealership to remove the software upgrade since it seems to have fixed the flickering headlights even though the check engine comes on now. The engine light is connected with the emissions system and the light is more of an annoyance than a real problem with driving the vehicle (so the dealership tells me). The reason the light kept coming on was become of the accumulation of fumes in the catalytic convertor and after the emissions system kicks in three times and the fumes can't be cleared, the check engine light comes on. The dealership is able to clear the fault code in a couple of minutes, but after I've started the vehicle three - four times, the check engine light would come on. Because of the problems and numerous times I've had the vehicle in the shop, GM gave me at no cost the GM Protection Plan for 4 years or 84,000. I have been so frustrated with the problems with the vehicle (in the shop 14 times in 12 months for the same problems and the engine light coming on all the time), I found an attorney to negotiate a cash settlement with GM and I've recently traded in a vehicle for a non-GM product. If you do try to file a claim yourself with GM, be prepared to be "brushed off" and ignored. The only way they responded to me was after I hired an attorney. Also, GM will probably offer the extended warranty to you so you'll be happy. This way, they won't have to pay out very much for the cash settlement since they gave you the extended warranty. You may wish to check into your state's lemon law. The one for NM is good only for the first 12 months from the purchase of the vehicle and I started experiencing problems at 16 months, so I was out of luck on using the lemon law. Good luck to you and let me know if you need additional information or have any other questions.
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- #118 of 145
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Re: 2005 Envoy Electrical Problem [wildernm]
by letteer
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Nov 22, 2007 (4:56 am)
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Replying to: wildernm (Nov 21, 2007 6:32 am)
Thank you very much for all the information. I will follow up on the dealer info. I hope it doesn't come to an attorney for me, but GM created this problem and they need to fix it, not just tell us this problem is "normal". They gave me the wait 20 sec speech and that has helped, but that alone will keep me away from GM the next time around. Thanks again.
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- #119 of 145
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Re: 2005 Envoy Electrical Problem [wildernm]
by tfrock
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Jan 09, 2008 (11:15 am)
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Replying to: wildernm (Nov 21, 2007 6:32 am)
I just bought a 2005 Envoy in May of 2007. When I bought the Envoy it made a slight whining noise when it was initially started. The dealership said it was because a new belt was put on it. However, when the 36,000 mile warranty ran out the noise got really loud and obnoxious. Because the my Envoy wasn't under warranty any longer I took it to an individual who told me it was the alternator pully- and replaced the alternator. My Envoy ran great for about 4 months. However, the noise is back along with the power gauge fluctuating and it's only December. Auto Zone warrantied the Alternator for a lifetime but I have to have the same repair made again after I take the alternator back and get a new one. Next week my car is due for an oil change and maintenance and there is a loud knocking noise in the engine and the car is running like it's missing. I told the dealership since the engine is still under warranty please give me a heads up if there are major problems with it since it's at 47,000 and the warranty expires 60,000. My car runs like a piece of crap- and I paid a fortune for it. Do you think that I may need the engine control module changed? The dealership just acts like im nuts. If I don't let them do the work- they wont give me any info.
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- #120 of 145
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Re: 2005 Envoy Electrical Problem [tfrock]
by wildernm
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Jan 09, 2008 (1:57 pm)
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Replying to: tfrock (Jan 09, 2008 11:15 am)
I'm not sure about the noise since I never had that problem with mine. However, when they did the reprogramming for the software to correct the flickering headlight problem, it did seem that it fixed it; however, my engine light came on every two days. It would stay on until I went to the dealership for them to reset it. Once they reset it, it came back on in two days. I finally got tired of paying my car note to drive rental vehicles while the dealership tried to figure out and fix the problems for three continuous months. My dealership was great, but GM was terrible and this wasn't worth their time to try and help my dealership and I to correct the problems. GM lost a loyal customer and it will be a very long time before I'll buy another GM vehicle. The only thing I can suggest to you is to check out your State's Lemon Law. I know you put quite a bit of money on this vehicle and you wanted to pay it off and have it last for a while. It doesn't sound like that's going to happen the way you want it to. You may also want to check the Magnuson-Moss Warranty Act if you don't have any recourse under the Lemon Law. I tried to work with GM directly about my problems and they failed to respond for two months. I ended up obtaining an attorney and filed a claim against GM for the time I spent on this. The cash settlement covered my negative equity so I could purchase a new non-GM vehicle. The attorney took his fees from the settlement amount so I didn't have to pay any money upfront. He was able to resolve this in 30 days when I couldn't even get GM to return any of my phone calls for over two months. If you're trying to keep your vehicle, it sounds like your stuck with your dealership and they don't seem very helpful. Maybe if there's another GM dealership close by that could help you diagnose and fix the problem, you'll have better results.
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- #121 of 145
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Re: 2005 Envoy Electrical Problem [tfrock]
by golittleperson
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Jan 20, 2008 (9:36 am)
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Replying to: tfrock (Jan 09, 2008 11:15 am)
I worked for GM dealers for many years, No disrespect to Auto Zone but their alternators have 1yr or less life expectancy on these vehicles. Great, they give you free replacement for life but you still have the hassle and time/cost for labor. It should only be an option for short term or if you don't mind the risk/labor.
The entire electrical system, including the PCM rely on correct Alternator current and your not going to find that for any length of time with A.M. I know the factory unit is more expensive but proper diagnosis needs a solid alternator.
If the dealer finds your problems are related to A.M. components, they can/will charge you for diagnosis. I don't work for the auto industry any more - I'm just giving you some experienced advise. I also drove a 2002 Envoy until this month!
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- #122 of 145
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2003 Envoy won't start!!:(
by 99steve
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Jan 28, 2008 (12:58 am)
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Worked fine until today. Drove it earlier - no problem. Go out to go to work and AW S...!!! Turn the key and I hear a faint whirling sound from the steering column area. All the lights come on, nothing seems different - except it won't turnover.....!!!!
Any ideas. Calling local GMC dealer in the a.m.......
Thanks!!!
Canton, Ohio 
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- #123 of 145
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Re: 2003 Envoy won't start!!:( [99steve]
by wildernm
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Jan 29, 2008 (3:04 pm)
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Replying to: 99steve (Jan 28, 2008 12:58 am)
Hopefully your dealership was able to troubleshoot the problem for you. It may be your ignition switch (they replaced mine twice in two years).
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- #124 of 145
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2006 Envoy XL SLT key is stuck
by jillianne
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Mar 10, 2008 (3:44 pm)
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I have had this car for a little over a year and got it brand new. The car ran perfectly the first year I had it. All of a sudden I started hearing a click in the cargo area every time I turned on the rear defroster.....after taking it to the dealership they were able to fix the problem (cant remember what they said was wrong) it took them about 4 days to get my car back to me. Then a week later my gas gauge told me I had no gas when the day earlier I had half a tank...thinking nothing of it I filled up the tank ....when I started the car to drive off the needle was still on empty then soon after my check engine light came on. I took it into the dealership again and they told me there was a re-call and they were able to fix it..(I wish they would have informed me about this recall sooner).....this time it was done in the same day. Today, only 2 months after the last time it was at the dealership getting fixed, I went to start my vehicle to take my kids to school and my key fob would not unlock the doors..thinking the battery in the fob was dead I tried my husbands fob...didnt work. I manually unlocked the door and realized my button to unlock the door in the car would not work either. I went to start my envoy and...nothing...it was TOTALLY dead..no beeping clicking or nothing. Then when I went to take the key out of the ignition it would not turn fully backwards and I could not remove the key. (it was like when you try and turn off your car when it is not in park..the key will not turn off all the way) It was in park and the steering wheel was not locked so I have no clue what the problem is....I called 1-800-GMCTRUCK and they sent a tow truck right away and had it towed to the nearest GMC dealership. I have yet to hear from them about what is going on with my vehicle....this was a VERY stressful morning for me. Before I bought this car all I could find were good reviews, then today I found this site....I had no clue the problems I might have with this vehicle and I am starting to regret buying it. It has only 34000 miles on it and has already been to the shop 3 times..in the last 3 months....very upsetting. The dealer tried to tell me it might be the battery when I was on the phone talking to them about it before I called for a tow truck......I just replaced my battery a month ago litterally....there is no way it can die that fast...and if there is a way then that will cause a big problem.
Any suggestions...
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