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GMC Envoy instrument panel problems

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  • epodepod Posts: 2
    I have been reading about all the problems about the instrument panel. I just had this problem with the speedometer going crazy had my mechanic check it out at first he thought we would have to replace or repair the panel but he checked a ground wire that connects the panel to the engine block, it was all corroded fix that and everything went back to normal. the mileage dropped about 300 K and everything on his instrunents showed what they should. Maybe if someone else is having this problem they should check this out. :confuse: :confuse:
  • Hi thanks for the info...I actually know I have a corroded wire from the alternator back to some where and it was patched but it need fixing...I will try that first.

    Thanks
  • pocketpocket Posts: 29
    Did your mechanic happen to say where this ground wire was located on the instrument panel. Ex. bottom left or center of panel. Would like to know as I am having similar problems too. Also the cruise control works sometimes, and sometimes it doesn't.
  • now my oil guage is all the way past 100# and bottom out at the bottom of the guage too. What a piece of work.......
  • Mine is coming from the alternator.

    Quanda
  • If you still have the name of the guy in Wichita, I could use it.
  • epodepod Posts: 2
    The ground wire was on the engine block near the back on the passenger side he was told to check this by the GM dealer
  • I was driving home from work in a snowstorm last evening the by-pass was not in good shape, I looked down and the speedometer said I was going 80, I had no idea how fast I was actually going. Tried to judge from the Tach, but it was reading crazy too. I finally got behind a vehicle and followed it back to town.
    Now That I think is definately a safety hazard trying to watch the road and wondering how fast you are going.
  • Well here's another issue with the 2005 Envoy by GMC, Problem 1: gas gage reads empty then moves to full, then back to empty indicator light constantly moves to various levels of fuel. Fuel tank is actually full yet constantly displays empty resulting in refueling vehicle whichs upsets family also a confusing problem and annoying. Problem 2: Speedometer needle indicator fluctuates erratically from normal speed needle indicator then displays 80miles in speed which is not actually correct miles being driven also indicator needle shakes eratically for no purpose at all.Service Advisor stated the fuel sensor supressor needs to be replaced cost $380.00 + since tank will be brought down recommended 2 replace fuel pump in case of future issues and is covered by a lifetime warranty cost $480.00 +. Being that on a set income adding also a disabled Vietnam Veteran would make this impossible to replace the fuel pump, just alone fuel sensor supessor set me back on my Mortgage payments making this a financial burden. This vehicle is my life line to all present & future medical appointments with the Veterans Hospital and their clinics.
  • My 2005 Envoy has this same issue which cost $380.00+ TO RESOLVE, reported this to the Nat'l Hwy and Transportation were not the only we must continue to report all these complaints to get our Government to react immediately, I am a disabled Vietnam which depend on my vehicle to meet appointments.
  • Bought 2004 Envoy 2 years ago with 36000 miles on it. 38000 the speedometer DOES NOT WORK AT ALL. Always going 120 miles an hour. The other day got in the car at 49900 miles Gas gage quit working!!!!! GREAT what else is next. Got told at dealer a few months ago Envoys not on recall BUT would be happy to put in new instrument cluster for $475.00. Yeah okay :mad:
  • I purchased a 2004 Envoy in March of 2009. Within three days the instrument panel went out completely. When I took it in it was explained to me that they knew of the problem, it wasn't a recall, but if you take it in to have it fixed GM will pay for it. I was told that there were two manufacturer's making the modules that work in the panel. One manufacturer's modules were bad and it would blow the whole thing out. Mine was a certified used car and I had 12,000/12 month warranty, so I wasn't sure if that was the reason mine was paid for, but then my uncle has a 2004 GMC truck and he received a letter from GM to notify him about the problem. I was mad and so I called a GM dealer in the area and he told me exactly the same thing and that GM would fix it - like a silent recall. Please contact GMC directly instead of a dealership. If they won't help, I'm not sure what it's called, but there is automotive consumer help in Washington, D.C. Please research and good luck!
  • kjcripekjcripe Posts: 2
    Advice, experience appreciated...

    About 3 months ago my speedo started acting up. Pegged at 120 or -10. That is also intermittent and seems to be effected by the cold weather. Codes showing bad instrument cluster. Ok, I can deal with that. Not fixing that now ... other issues to take care of ...

    For the last two weeks my Envoy has not started maybe 6 times. Ironically the first two times I was parked in the same exact place. The first time we jumped it - the second we did not. Full battery power - lights, stereo, blah blah blah. I came in and called a local mechanic and he asked me to go sit in the car. He told me to turn the key on but not try to start, let it sit there for a few minutes and then try to start it. It worked! So he asks me if I am sitting on an incline. He suggested Neutral Safety Switch - but cannot do it at his shop. Minimal - but a bit. EVERY SINGLE TIME I HAVE HAD TROUBLE I have been parked on a slight incline or at an angle to the side.

    My Envoy has been at the shop 1 week today. They are guessing the problems and I'm getting ticked. I have explained to EVERY shop I have called the initial diagnosis of neutral safety. You would not believe the stupid crap people are coming up with that could be wrong - makes absolutely no sense. One GM mechanic suggested i was leaving dome lights on too long and therefore running the battery down.

    Any help is appreciate.
  • wlaywlay Posts: 2
    Glad I found this information. The gas gage on my 2006 Envoy is doing exactly and one of you described, when full it goes to empty. Saw the note on the "quiet recall" I plan to visit the dealer tomorrow and ask to have the instrument panel fixed under the warranty - I lack 50 miles hitting 70,000 so saw this info just in time. I will keep you guys posted on my success.

    Carl
  • My 2004 Envoy is currently in the shop now with the same problem. I am getting the same stories from the dealership. I did call the phone number posted, I am currently waiting for the Chevy people to call me back. Again, my VIN # is not on the recall sheet, but they did have some recalls on my car that they changed, like the tail light that would work every now and then, the a/c sensor for the #4-#5 speed, when you turn it up that high the a/c would kick off. My gas gauge did not work, so when I did put gas in my car, it would take about 3-4 tries to start it. My speedo was stuck on 120 mps so I used a GPS for long distance drives, but when I drove in neighborhoods I really don't know how fast I am going. Very dangerous if kids are playing in the street. Most of the time I would for get to put the GPS on because it caused a distraction for me. :mad:
  • GMC agreed to pay for the labor on my instrument cluster so got that fixed, one down more to go. The Cruise Control still does not work, so took it back to a "Certified GMC Service Shop" 2 days later. Then they said it was because my Crankcase/Cam Actuator was leaking oil and causing a arc that was causing my electrical problems and fixing would solve the problem. Well that was $350.00. They fixed it. It worked good for one day and the cruise stopped working again. It is so intermittent that it will amaze me if they can figure out this one. Taking it back today for more.
    Anyone having Cruise Control issues also??
  • gmcustsvcgmcustsvc Posts: 4,062
    Hello,
    I am from GMC Customer Assistance. I see that you have spoken with us before about your instrument cluster concerns. Because the issue is currently unresolved, I would like to look at your situation further. What is your GM case number? Thank you,
    Mariah GMC Customer Assistance
  • Thanks Mariah, I got the call from GMC Monday. They will not cover any of the work. I am going to have to pay for everything. I will pick up my car today unless you think there is something else to try. What information do you need?
  • case # 71-815-208915
  • Will this have my personal information on it so that you can call me?
  • Sorry Mariah, I assumed you had repied to my post. Sorry. Maybe I'm just desperate for help with these issues. So Sorry.
  • nothappy19nothappy19 Posts: 18
    edited March 2010
    Hi Mariah, I received your request. Case # 71-808434405. I had the instrument cluster fixed 3/25/10. The cruise control still is not working. I was told At my GMC service center that the Crank-Cam Actuator was leaking oil and causing it to short out my electrical that was why my cruise control was not working I authorized them to fix that they did that on 3/27/10. (saturday). Monday Cruise stopped working again. Called them they told me to bring it back on Tuesday 3/30/10. Cruise started working so they told me they could not do anything about it since it was working at that time. Just very frustrated. Top back tail light does not work and the bulb were checked they are good.
  • The Cruise control is very important to me as I drive 1/2 hour to work so I rely on this a lot. I want to get this fixed but how can they fix it when they have no idea where to start. Well they started and it cost me over $300 and did not fix the problem. Can GMC give any guidance to the problems with this?
  • gmcustsvcgmcustsvc Posts: 4,062
    Hello,
    Because the issue still is present in the vehicle. I feel that we should re-open the case file and have this looked at again. What I will do is send your agent an email explaining that we are going to re-open the case because the vehicle still has the same concern present. The agent should get back with you in about 48 hours. If you have any further questions please direct message me. Thank you,
    Mariah GM Customer Service
  • gmcustsvcgmcustsvc Posts: 4,062
    Hello,
    Sorry we mixed up there. I would be happy to assist you with your vehicle. You stated that the vehicle is currently at the dealership. Have they diagnosed the issue? Do you currently have a case with GM? If so, can you please direct message me the case number? Can you also provide me with your VIN number? Thank you,
    Mariah GM Customer Service
  • ms33362ms33362 Posts: 6
    I recently had my battery just die with no warning signs, attempted to start car and all the interior lights turned on and then shut off completely. I changed the battery and what do you know my AC on the driver's side blows out heater air while the passanger side blows cold air. There is also a knocking sound on the back passanger side. Called dealer and they said i probably have to have my rear AC reset. I bought my car brand new and i have had to replace the gas gage, spedometer, other than that no problems. But sounds like its time to trade it in.
  • jcasertojcaserto Posts: 2
    I love my Envoy (it's my 2nd) but I'm having horrible electrical problems.....gas gauge and light totally malfunction, when i fill my tank, the check engine comes on for a period of time (until i got about 60 or so miles).....my low beams went, then the high beams went (they wont turn on if i push the stick forward, but i can still see that they work, as, if i pull the stick towards me and hold it there, the high beams DO light up).....I called my dealer and there have been no recalls or anything and basically he can't do anything for me....anyone have any suggestions???
  • andym3andym3 Posts: 5
    I guess I'm fortunate (at this point) that my speedometer and oil gauge are the only issues. I just took my 2004 Envoy in for 100K service and asked if there was any recall to correct these issues. Obviously there isn't and the service manager even admitted that his wife's vehicle was experiencing similar issues. For @ $485 they would replace the instrument cluster which should fix the problems...sorry no suggestions other than complaining formally to the NTSB as suggested by others.
  • ms33362ms33362 Posts: 6
    Okay i had my vehicle fixed... it turned out to be both front Actuators, Fan clutch, thermostat, cost me $1900.
  • ms33362ms33362 Posts: 6
    a girl friend of mine had a similar problem with her Yukon. They told her she had to close or turn her gas cover 7 times to make sure it was closed. You might want to start there. They reset her vehicle and light hasnt gone on since.
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