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Chevy Silverado and GMC Sierra Electrical and Computer Questions

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  • I also have a 2003 chevy silverado that is having the same issue as you, but my 4 wheel drive doesn't work, and the radio does work. It seems to happen when it is cold but it has been on for 2 days now, it warmed up some and it isn't going off. Have you any luck in finding out what is causing it?
  • i did solve my mystery it was the ignition switch in the sterring column 33 $ part , small electrical device behind the key switch. when it gets worn the contacts dont tell the truck to turn on everthing . solved my problem but i dont have 4 wheel
  • Hello Sarah

    I got lucky with my M mode shifting issue, there was a broken wire off the shifter arm under the rubber boot on the shifting column. I soldered that together and it works fine.

    However, I need a new stereo (kids, pop, gravel road, need I say more?)
    I found a used one, its specs read the same as whats equipped in my Denali, but model numbers are different.
    Would a stereo with model #: 20785735 fit in my truck, where the stereo that came out is model #:25840249?

    Theres no NAV, my truck is BOSE equipped with Rear Seat Entertainment.

    If it isn't compatible, I'll remove the faceplate and exchange the parts, see if that'll work.

    What would the best email be to reach you at?

    Thank you.
  • topsteeltopsteel Posts: 1
    edited February 2012
    5.0 liter eng.-just replaced the fuel pump and filter - now have an issue w/ starting- will start with starting fluid and run quite well- i have a 5" lt gray (dirty white) wire that looks as tho it got disconnected when i lifted the air cleaner- it comes from the large wire harness, has a 3 prong plastic clip about an inch wide and will reach into the carb barrel which doesnt make sense as there is no slot for the wire w/ air cleaner on- also it has no metal showing on clip which leads me to believe it is a sensor---what is it and where do i connect it? any insight please been at this a month THANX
  • gmcustsvcgmcustsvc Posts: 4,103
    givingupongm,
    Thanking you for taking the time to post. I am glad to hear that your shifting concerns have been resolved. Please email me your VIN and the two part numbers and I will investigate that further for you. Our email address is located in my user profile. I look forward to hearing from you.
    Christina
    GM Customer Service
  • Hi Christina

    I was fortunate, once again, to find an easy solution.

    Here in Calgary, a company called York Electronics Ltd. specializes in refurbishing GMC electronics.

    They had an exact replacement radio for my truck in stock.
  • bleudobleudo Posts: 6
    GM customer service, I need assistance with my 2001 C2500 Sliverado. My instrument panel isn't working at all. Pretty much dead. Is there a recall or antyhing? This is a huge safety issue. If you need more info, please let me know.

    thx,

    Greer
  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964
    Good morning,
    I would be happy to look into this for you if you would please get me the last 8 digits of your vehicle's VIN.

    Regards,
    Sarah
    GM Customer Service
  • bleudobleudo Posts: 6
    Do you have a phone number that I can instead? thx
  • bleudobleudo Posts: 6
    Here are the last eight digits 1z102818
  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964
    Thank you for getting that information to me. I do see an open recall on your vehicle pertaining to the front wheel speed sensor. Would you like assistance setting up an appointment to get this taken care of? If so, please send me an email to the address in my profile here on Edmunds with your name, the name of your preferred dealership, and the best days/times for an appointment and I would be happy to get that for them.

    Sarah
    GM Customer Service
  • bleudobleudo Posts: 6
    Sarah, Thanks for checking on that. I appreciate the offer to schedule an appointment but I'm not sure when I'll be available. I noticed that the Chevrolet Silveradoes have a lot problems with the instrument panels. Why isn't there a recall on this particular item? thx Greer
  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964
    Happy to help. As for why there is not a recall issued on the instrument panels, I wish I could answer but I don't have any part in the decision making processes there. I would be interested to know how your recall appointment does go for you, if you ever get the chance to go in.

    Although a diagnostic fee would generally be applied for a dealership to look into what is going on with your instrument panel, it might be worthwhile to ask them to look into it while you're in for the recall work.

    Sarah
    GM Customer Service
  • jeffreyajeffreya Posts: 4
    Glenn,,,,or anyone else dealing with this......have you figured out a fix? my 2003 Silverado 1500 LT is doing the same thing.....I hoped to keep this truck a few more years but the ABS and brake lights have got me scared....not to mention the service 4wd message, no cruise control or heater/defroster blower
  • bleudobleudo Posts: 6
    Sarah, this is bleudo. I called the service department of the only Chevrolet Dealership in Waycross, GA. I was told the recall was only for the brakes because of rust and that I had to live a certain state to qualify for the recall. What do I do?
  • barnowl3barnowl3 Posts: 70
    Sarah, Bleudo,
    I owned an '03 Sierra and I received letter stating the instrument panels were defective and GM offered to replace them if they failed before 70,000 miles, but would only pay for the parts between 70 and 80,000 miles. My friends '04 Yukon failed a few months after buying it used from a certified dealer, and as luck would have it, it failed at about 71,000 miles, so he got stuck with a $400 labor bill. After bringing the dealer my letter, they finally agreed that it was a known problem for the '04 as well, as they denied knowledge of the issue at first. Maybe this problem is not well advertised at the dealers or your database? Maybe it is the same problem with Bleudo's '01? It certainly does cause everything to go haywire when they do fail.

    I would be very interested in learning of any recalls on rusty brakes.
  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964
    barnowl3,
    Do you still have your Sierra? I can check to see if there are any open recalls on your vehicle if you wanted to get me the last 8 digits of your VIN in an email.

    Regards,
    Sarah
    GM Customer Service
  • Hello Sarah

    I have a 2003 GMC Sierra SLT. My dashboard can not be trusted. Speedo, alternator and oil pressure will randomly give false readings. seats and mirrors adjust themselves. We joke that the truck is possessed.

    Can you please check for recalls for me .... last 8 digits on VIN are 31190074

    Thanks

    Thunder3000
  • gmcustsvcgmcustsvc Posts: 4,103
    thunder3000,
    Thank you for your post. There appears to be an open recall on your vehicle for the tailgate. I would recommend getting into a dealer to take care of it. It appears this is a Canadian vehicle. If you are in Canada I would recommend contacting GM of Canada at 800-263-3777. Please feel free to email me directly.
    Christina
    GM Customer Service
  • 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.
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