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Chevy Silverado and GMC Sierra Electrical and Computer Questions

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Comments

  • I wish that this had been my problem.....we replaced the same part and it didn't fix my problems. Can anyone from GM help with this issue? It is very frustrating.
  • jeffreyajeffreya Posts: 4
    Dealer replaced a ignition switch and ABS light went off, brake warning light went off, service 4wd message went away, cruise control works and blower motor works again
  • How is it that the dealer was able to diagnose the problem? You are the second person to have that switch replaced and it worked, mine on the other hand was replaced and it didn't fix the problem!
  • jeffreyajeffreya Posts: 4
    Don't know....but the diagnostic cost me $120....switch was about $40......i'm going to handle the speedometer issue myself with new stepper motors and the no high on the blower issue at a later date.....i'll let the dealer replace the resistor and plug (if it's burnt) so that if my truck burns up it will be on them......Chevy, Like a Rock.....yeah, right! and to think it was our tax dollars that bailed out this mess
  • bran164bran164 Posts: 13
    Hi,

    I'm active duty Navy and just purchased a 2008 silverado ltz(last nine of VIN: 481124518) . It currently has 71000 miles on it. I was driving down the interstate when the interior gauges, radio, door locks and temperature indicator all flashed off and cut right back on. Anytime I would use the turn signal the radio would cut off and the 'Park Assist Off' would flash on. It continued to do this the whole way home (approximately 30 minutes). I parked the truck and shut it off. Let it sit for about 30 minutes and then went to crank it up. Initially it acted like the battery was dead. I tried a second time and the truck cranked right up. I haven't taken it to a mechanic yet. Help please???!!!!
  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964
    Good morning bran164,

    Thank you for your service to our country - it is appreciated!

    I checked your VIN in my systems here and do not see any open recalls; it looks as though you are out of your Certified Used Bumper to Bumper extension, but the following warranties are still in effect until the date/mileage indicated (whichever comes first):
    Powertrain Limited Warranty until 09/18/2012 or 100,013 MI
    Corrosion Limited Warranty until 09/18/2013 or 100,013 MI
    Emission Select Component Ltd Wty until 09/18/2015 or 80,013 MI

    Please let us know if you decide to go in to a GM dealership to have this looked into as we're available to assist in whatever way we can.

    Best,
    Sarah
    GM Customer Service
  • bran164bran164 Posts: 13
    Thank you for your response Sarah. With the symptoms I've given does it sound like one of my remaining warranties would cover this? I am thinking of taking my truck into a gm dealership. I work in Raleigh (zip code 27605).
  • john3lowjohn3low Posts: 3
    I had the same issue also on my 2006 GMC ! It's probably not the gas cap! I had the same code for 3 months and it would always reset itself after I filled up with gas. When I got down to 1/2-3/4 it would come on and you could bet on it! I finally found the problem myself!!! NO THANKS TO THE DEALER after getting HOSED by them for alot of polution [non-permissible content removed]-canisters-etc, approx.800$ worth!, it was the map sensor by the air filter! Just go and buy a can of map sensor spray, remove it, be carefull the small wires are sensative and might break, spray, and let soak, respray and use very little air to dry or let air dry!
    I found this problem, on mine was caused by my new K&N airfilter oil! Now I get another mile to the gal.
    john3low
  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964
    Hello bran164,

    I'm afraid that I don't have the technical expertise to say one way or another. Were you looking to locate a dealer in Raleigh? I'd recommend visiting the Chevrolet brand page - you can find nearby dealerships through their "Find a Dealer" tool. If we can be of further assistance, feel free to get in touch at socialmedia@gm.com

    All the best,
    Sarah
    GM Customer Service
  • Thought I would post my problem in this thread as well. I have a 2007 Sierra, 27k (new body style), when I start in up the ABS and Stabili Trak lights stay on and after a couple of seconds the Brake light will come on. I disconnected the battery cables for about 1 hour, thinking this might reset the computer but the alarms did not clear. I then took it to Advanced Auto Parts and they scanned it with their Actron CP9580 and it showed "No Code Detected." They recommended a local auto care service department which I am scheduled to take it in a few days. The truck seems to drive just fine but I am concerned about these 3 lights staying on. If anyone has any helpful information that I can pass along to the service department it would be appreciated.
  • gmcustsvcgmcustsvc Posts: 4,057
    pgallenstein,
    Thank you for taking the time to post your concerns and experience. I would recommend speaking with your dealer of choice. Let me know how things go at the dealer. Please feel free to email me directly at SocialMedia@GM.com. Please include your VIN, and current mileage. I look forward to your response.
    Christina
    GM Customer Service
  • burtmburtm Posts: 1
    I have a 2009 silverado VIN 3gcek233x9g248265 with 66250 miles. Tonight after a 30 min drive I stopped and turned the truck off for about 20 minutes. When I resumed my trip i noticed that the only instrument that was functioning was the volt meter. no speedometer, no tach, no change in the odometer for the entire six mile trip, no fuel gauge. the A/C, radio and engine were running fine. The only warning light was the ABS light. After two engine start and stop cycles everything seems to be back in order.

    Any ideas?
  • barnowl3barnowl3 Posts: 70
    Odd, that sounds like the problem that 2003 and 2004 had with their dashes. GM had sent us letters, but would only agree to replace the defect up until 70,000 miles. Friend had his dash replaced on his 2004 at his cost after about 72,000 miles.
  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964
    edited May 2012
    Good morning burtm,

    I checked your VIN to see if there were any open recalls on your vehicle, and there are not at this time. Given your mileage, you are outside of your Bumper to Bumper warranty but still within the following warranties until the date or mileage indicated (whichever comes first):
    Emission Select Component Ltd Wty until 11/30/2017 or 80,231 MI
    Powertrain Limited Warranty until 11/30/2014 or 100,231 MI
    Corrosion Limited Warranty until 11/30/2015 or 100,231 MI

    If you were to decide upon visiting a dealership to have this concern looked into, please let us know as we're available to assist in the process in whatever way we can. It may be a good idea to wait until this matter occurs more frequently if you decide upon this route. There would be a diagnostic fee involved and the technicians would need to be able to duplicate the event or have engine codes to read in order to move forward in the repair process.

    Best,
    Sarah
    GM Customer Service
  • jeffreyajeffreya Posts: 4
    I have a hard time believing that a US company with the advertising slogan "Like a Rock" that has produced trucks with basic design and components purchased with the "lowest bidder" approach would have the gall to respond in this thread. The cheap, defective stepper motors used in Chevy dashboards are a disgrace and the fact that Chevy is standing on mileage instead of stepping up and just replacing the defective parts is pathetic. Defective is defective, no matter how many miles a vehicle has on it. And to think the American taxpayers bailed GM out......next time I vote no. Clean up your mess, GM.
  • sierra16sierra16 Posts: 1
    I will try to explain. I have a 2008 GMC Sierra 1500 4 wheel drive Z71. While driving down the road at no particular speed...could be 20 or 65mph, all das lights come on and throttle closes. Acts like a stall. After approximately 1 second, throttle re-opens and dash lights disappear and return to normal. Feels like truck stalls and restarts on its own while going down the road. I have taken the truck to a GM dealer and had a scan done and no errors are reported. Do i just wait until it dies on the road? What is causing this. Everyone seems perplexed.'

    Thanks
  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964
    sierra16,

    I'm sorry to hear that your dealership was unable to duplicate or diagnose the cause behind the throttle closure you described. If we can look into this further with you, please send the following information to socialmedia@gm.com: your name/Edmunds username, phone and address, the last 8 of your VIN and current mileage, and the name of your involved dealership.

    Best,
    Sarah
    GM Customer Service
  • barnowl3barnowl3 Posts: 70
    Thunder 3000,
    Let me help you as I have learned that either GM Engineering or GM Management has chosen to provide very poor databases or info on the defects on these trucks to Customer Service and their dealerships. GM issued a letter approx. in 2006 by Scott Lawson, General Director, Customer Service. Dashes in 2003 and 2004 are known defects ( may apply to other years as well). In the letter GM will not replace the dash unless you had the failure occur. Likely a known electrical manufacturing defect that presents itself intermittently, so good luck if you are on vacation. They extended the warranty to 7 years or 70,000 miles. They were sued over this short coverage period and then extended the dash replacement to 80,000 miles but you pay labor. Looks like you are stuck with the bill on this one. I had to bring my letter in for my friends 2004 which he had just bought used from that same dealer to prove it and the dealer finally paid for the dash. I actually think they take the cores for rebuild ( must be they know exactly what their mfg defect was)
    One other critical safety item that GM customer service does not keep in their database is the sudden failing brake lines in 2003 and 2004, but I have heard them go back to 2000. Lines rust, but theirs rusted real fast like I have never seen in my 35 years of driving in the NE, so the improper steel composition was used. You will note they now coat their brake lines. Your first failure will likely occur above your frame rail behind the drivers front tire. Correctly engineered brake lines with steel may rust, but they will typically seep. These trucks ( and it may have only been a run of them as all don't display this) will suddenly burst, typically during a sudden or emergency stop. The dual master cylinder tends not to do what would would expect as you are left with nearly no brakes. Replace these for the sake of your safety and others. I would not trust a GM replacement, but you can get SS aftermarket. This happened to me and had it not been for a shoulder I could veer off itnto, my GMC would have been decapitated beneath a tractor trailer. This was investigated by the NHTSA in 2008/09 and then suddenly the case was closed. You will remember that Toyota had rusty frame issues around these same years and actually bought trucks back from their owners, GM unfortunately does not even want to acknowledge this safety issue existed, so although GM Sarah is trying to help, you will find she can find nothing in the records. I had received the investigation forms from NHTSA. s I guess if they just keep quiet about it, the trucks will just eventually come off the road.
  • barnowl3barnowl3 Posts: 70
    Here is my VIN Sarah. 1GTHK29U33E176322. I am referring the brake lines that rust prematurely. I have already gone to the expense of replacing them with SS after 2 failures, so I would like to be compensated for those repairs, since the failure occurred in 4 years of ownership 30,000 miles. Though out of warranty, it seems that a critical safety item like this should have greater factor safety and not failed so early in it's design life. Luckily, I was able to run the truck off the road during an emergency stop on the highway, otherwise the end result would not have been good. I lost all braking capability, so the dual master cylinder did not do what it should have. The dealer completed a rear brake job one year prior , near the end of the warranty, as my rear rotors were very corroded, so the rear brakes should have stopped the truck, but did not. Thanks for any information you can find.
  • barnowl3barnowl3 Posts: 70
    Bran164,
    There was guy on here last year with similar year and had the exact problem as you. He was getting a lot of run around from the dealer, endless trips back and forth as the problem came and went. He was actually able to get a video of it and posted it on youtube and got a lot of attention. Apparently he did get a call from GM and then within a few days all the videos were removed from the net. Not sure if the Customer service reps have a record of that. Get a video of it if possible, because without it, I doubt you'll have any luck at a GM dealer if it isn't doing it for them. Good Luck!
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