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Chevy Colorado and GMC Canyon Electrical Problems



  • gmcustsvcgmcustsvc Posts: 4,251
    snaproll1 ,
    Can you please email me your VIN, current mileage, and involved dealer? I look forward to your response. Please include your Edmunds screen name. Happy Holidays!
    GM Customer Service
  • snaproll1snaproll1 Posts: 88
    edited January 2011
    Can you please email me your VIN, current mileage, and involved dealer?"

    I sure can, but I'm not sure why? Do you really have any leverage to do anything? If you are a legitimate GM rep, then you shouldn''t have a problem providing an office number/email were you could be reached at.

    If you are legitimate, I appreciate the offer to help. It certainly would be somewhat different than my previous experiences with Chevy. Maybe a little bankruptcy now and then is good thing for reassessing the need for good customer service.
  • I posted back in August about the problems we are having with this vehicle, wouldn't start because of the faulty passlock system, and a fan blower issue. I figured out how to work around the passlock issue. That was pure luck. The fan blower we just jiggle it and it works, but now this stupid piece of crap is having door lock and window issues. Look at all the posts on just this forum about the same problems. How can GM just ignore all these issues. It is not our fault they created a lemon. They need to man up and fix these issues for free. We do not have the money to pay for all these pseudo fixes, my husband is disabled.
    And why in the world has someone not filed a class action against them
  • You know what snaproll1, when you start dealing directly with GM then magical things do happen. When I got to the $5000 mark with my canyon in repairs I did phone GM myself and start discussing the repair bill. The dealership had been saying all along that GM was aware etc. But they weren't. Another $5000 later in repairs that the dealership swallowed and my truck was finally drivable again. Now I am having blower fan issues too like everybody else here. Moral off the story quit being a jerk and give Christina a chance to help you. Or goto GM Canada website and get a phone number like I did. As an aside, the dealership I used to deal with lost the GM contract with restructuring.
  • I was wondering if anyone out there can help me. I live in Canada, but purchased an American 2005 colorado 4x4, but of course it did not come with a manual. Is there anyone out there that could send me a pic of the fuse panel from the manual along with the abbriviations? would greatly apprieciate it. thanks
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 58,868
    You should post the engine size, either 2.8 or 3.5L

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  • "You know what snaproll1, when you start dealing directly with GM then magical things do happen."

    Been there, done that, got the teeshirt. Actually I got a "Jelly of the month club", 4 oil changes and a tire rotation "valued at $390 dollars!" from Chevy. That was not very "magical". Perhaps things are different now that they are bankrupt.

    " Moral off the story quit being a jerk and give Christina a chance to help you."

    My appologies to Christina if she is legit, but the time for concern was to cover $250 dollars of the bill three years ago. I'll never buy another Chevy and never put another dime in their service dealer's pocket if I can help it. But that's only me from the experiences I've had with Chevy service.

    On to the issue at hand. I just got the truck back from a competent mechanic. The door modue that the Chevy dealer told me had "absolutely nothing to do with the problem, it's the BCM"... was the problem.

    It seems that the door module ($360 bucks) has a computer in it that controls only the driver's window and door locks. They could not get output from the module, replaced it and taaa-daaah, problem fixed. With the initial problem in 2007 I read that if the wiring harnesses were disconnected and cleaned it would heal the problem. That is true, I used it to fix the problem two or three times before taking it to the Chevy dealer the first time. That's when they replaced the BCM. Then the battery. Then burned out the resistor in the fan when they were testing it. Definitely not the door module... until 3 years later. Perhaps there is still some electrical glitch that randomly fries this stuff, perhaps another burned fuse block or something.

    In any event, for what it's worth, there were "history codes" also on the ABS system and instrument panel. They could be old, back to the time I had the other problems and never cleared.

    Anyway Colorado owners, good luck with your trucks. When the truck is running it's a great little truck. It's just no rhyme or reason for when these problems surface but it sure doesn't sound like an option I paid for.
  • Just a quick update on the window/locks/fob.

    For a couple of weeks before the truck went dead, I noticed that the driver's window was getting "sluggish" or would "stick". In other words, hitting the button and sometimes the window would not move. If this happened I'd pull or push the window a little bit and it would run up or down fine after that. I just assumed the window motor was getting worn out or the mechanism was slipping or something.

    Since the new door module this problem has vanished, the window works fine again. I just mention it in case you notice the same symptoms, a sluggish window seems to indicate that the door module is going, soon to be followed by the dead battery/window/lock/fob thing.

    I also wonder if a weak battery may be a cause of some of these electrical issues, not a symptom of them. Perhaps if the battery for whatever reason discharges or puts out low voltage, it could cause havock with the other systems, tripping codes in the ABS, BCM etc. If true, probably worthwhile to test the battery regularly and replace it as soon as it starts to get weak.
  • This seems to me that this should be repaired by GM free of charge as its a bad fault and could cause a fire. I have had mine apart and the wiring just melts the plastic connector that the resistor is in. I just ordered the new parts online and I will repair it myself. cost is about 100$ CND. I think GM needs to get this matter sorted before somebody dies in the truck from a fire etc.
  • al6pndral6pndr Posts: 45
    Like any other major corp. they will wiegh out which is cheaper a couple of lives/lawsuits,or a major national recall.. You & I are cheap prices to pay out we can be had for a few $'s but a national recall???? $$$$$$$
  • As I have posted before it is a grounding circuit problem. The Window, weak battery, and the harness melting is a ground problem. Nothing is grounded directly to to body anymore. The problem is when you loose a ground on something it tries to find a ground and goes through something else. That causes the current to go up on a wire not rated for it. You have to be proactive on this one. The problem is you don't know you need to be proactive until it is to late. Good luck people.
  • Thanks for you reply. I still think they are out of order by not recalling them fro that reason. If they had been a Nissan or some other truck it would probably been sorted out via recall. I have never come across this in my life and coming from the UK, all the GM's there would have been repaired free of charge or recalled. It seems to me that in North America they just don't give a toss. Well perhaps somebody should take them for millions for a loss of life... I think this is why the Germans want to go it alone with their GM company. They do build good cars. Good luck to them to.
  • al6pndral6pndr Posts: 45
    Took my 07 colorado in for the same problem 3 times in 1 year. 3 time the dealer did'nt find/fix the problem (something other than the electric stuff you see posted here.) 3time I got a quality questionaire from G.M. to fill out about how I felt my problem was handled.

    3 time I gave a negetive feed back. after the last neg f/b I called the dealer with another different problem, the dealer told me "you gave us 3 neg. f/b take your vehicle somewhere else we don't want your business any more! I talked to the owners son who said "I'll check this out and get back w/you." that was 2 years ago still haven't heard from him!

    called G.M. customer service told them what happened.. "well we can't do anything about that.."

    so my old uk chum you are correct! they DON'T care!! .Randy Wise Chevrolet .Milan Mi. the WORST dealer on the planet!!!!! cheerio!
  • I have a 2008 Canyon that the battery goes dead in about 12 hours. I have replaced the battery and the charging system was tested. The only glitch in the system I have seen is the power door locks. The doors will lock all by them self, with the truck shut off, keys either in or out of the ignition. BUT it will be fine for awhile or like now, where I've had to jump start it the past two days.
  • al6pndral6pndr Posts: 45
    Welcome to the wonderful world of the CHEVY COLORADO!! Here are a few questions to ask your self. 1 If it aint the battery,or the charging system? 2 if it aint the ecm/bcm whats left? THE WIRING HARNESS!!!!!!!!!! but try to convince G.M. of this little glitch and you will be ignored!

    If you do convince them this is the problem and they have a "recall" (OOOOOO WHAT A DIRTY WORD!!!!!) you will be treated like some sort of God like Hero by everyone on this site!!!!!!!!! As Paul Harvey used to say.. "And now you know the rest of the story!!! Good Day!!"

    Randy Wise Chevrolet, Milan Mi. the worst dealership on the planet!!!!!!
  • sc6lousc6lou Posts: 1
    edited January 2011
    they convinced me that purchasing the 2007 Chevy Colorado would be great. They take care of their customers. My battery died in under a year. Tires wore out in 15 months. Fan clutch sticking and had replaced (so they said) twice problem still exist. Doors lock and unlock themselves. GM says $100 and we will diagnose it and then $$$ and we will try to fix. Meanwhile all the post you read say that they have a very high failure rate of the Body control module but no recall on that.
    I am hoping the truck burns to the ground and I collect the insurance. Then go back to purchasing foreign again as they last.
    GM gives no support, what they say they change a part but you can not prove it. As I asked to see the old unit and they said they could not find it. Tried to contact GM but their upper management only cares about their bonus NOT their customers.
    Buy a FORD not GM products. They are not like they use to be iin the 60's...
    They sell you and then forget you.
  • Hey, go to GM's customer suppert. Keep pushing and they will eventually offer their "Jelly of the Month Club", four free oil changes and a tire rotation "valued at $390 dollars!".


    Best to find a mechanic and shop you can trust. I'll never take my truck to Obama Motors again.
  • i have the same problem with my 2007 in my colorado the swr go wild
  • al6pndral6pndr Posts: 45
    If you are useing a mag mount on the roof place it forward on the cab. the closer you get to the dome light in the truck the higher it goes.. And DONT try to run any power what so ever..
  • gmcustsvcgmcustsvc Posts: 4,251
    You always have the option to take your vehicle into the dealer. I understand you are doing this yourself; however, their service department is trained to work on the electrical systems in this vehicle and maybe able to assist you.
    GM Customer Service
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