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Chevrolet Cobalt Electrical Problems

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Comments

  • My car has started doing this also. The hesitation between 30-40 has continually been getting worse. Why do I want to take the car in for the 15 time to be told by the dealer there is nothing wrong? Everyone else who rides in the car says it's some shifter thing in the transmission, but the dealer states there is nothing. I don't know what the ECM is, but it's probably not working either knowing this car 2007 Cobalt. Worts decision I ever made to buy this car.
  • I have a 2008 Chevy Cobalt and my key is stuck in the on position in the ignition. I have to unhook the battery and take the fuse out to turn my car off. Has anyone had this issue?
  • Had this problem. Also had the key not turn in the ignition switch to start the car (3 times for this )All four times the ignition switch and housing were replaced. Good luck!
  • beach88beach88 Posts: 1
    My daughter has a 2009 Chevy Cobalt that has the same problem and customer service from Chev did not want to own up to there being a problem. I have never had an ignition swith go in any vehicle we have ever owned let alone on one with only 55k miles. Chevy needs to own up to there being a problem.
  • We did contact Chevy and they set an appointment for next week with a Chevy dealer. Chevy stated that if they say it is a defect then Chevy will fix it. I will let everyone know what the outcome is.
  • We took her car in and Chevy paid for everything!
  • SAME THING HAPPENED TO ME WHEN I LEFT MY LIGHTS ON. THERE IS A TINY PLUG ON THE UNDERSIDE OF THE STEERING COLUMN. OPEN THAT AND STICK YOUR FINGER IN TO PUSH TINY BUTTON ON THE INDIDE LEFT OF THE HOLE. I FOUND THIS IN THE BOOK AFTER I FREAKED OUT.
  • For the last 6+ months I had been having troubles with engine warning lights, trans shifting, power steering and A/C cutting out. Replaced power steering motor under recall. Had TCM replaced per the dealer and the diagnostic codes. Didn't fix the problem and dealer was just guessing from that point. Had the ECM "flashed"/codes cleared by a garage guy who has the software. Fixed it for a week. He said if that failed, it was likely the BCM. Didn't want to pay new for BCM, but couldn't find a junked one locally. Apparently Cobalts are too new to be in most junk yards in the Chicago area! Those that admitted having the parts, refused to sell them (too many complaints about mis-matched electrical parts). So out of need to match the serial numbers on my part with what is available on Ebay/other sources, I pulled off the BCM cover - passenger side center column, black cover snaps off. While in there, I pulled the two "computer plug" connections, wiped off and reattached. Pulled the fuses across the top (which just so happened to be in this order: power steering, transmission, A/C and A/C). Wiped the contacts which seemed to have a grease feel to them. Blew out the whole thing with the air hose. Lots of dust - the car's ventilation system blows right past the back side of the BCM. It was clear someone had been in the BCM before I purchased the car used as all the spare fuses had been removed. Reattached everything and (cross your fingers), no problems for almost two months. Knock on wood, I hope this did the trick. I wanted others to know, because this was a frequent post.
  • I am having the same problem and my car just 75,000 miles i have a 2009 Cobalt i bought it back in Feburary this year and it had 52,000 on it. Most of my miles are from the highway going to work 44 miles each way. The dealer I got it from says its becuase i have more than one key on my key ring and that is causing stress on the ignition switch. I of course think they are full of it. My father has more than 30 keys on his key ring and never had trouble like this. From what I have ready Chevy needs to own up to this being a problem. Cause these things just dont go bad like this.
  • I would have to say that the "grease" you are talking about was there to help keep water out of the connections and prevent corrosion. You should probably get a tube and put it back on the connections before you have a problem.
  • deepcscottdeepcscott Posts: 1
    edited September 2011
    I have a 2009 Cobalt. All of the power plugs are out. When I pulled the fuse panel on the passenger side of the vehicle I looked for the fuse to these plugs. There is no diagram or markings to show which fuse goes to the AUX power plugs. There are three inside this car. I pulled the entire cowling from between the two seats and traced the wires into a wire bundle. I have checked all of the plugs to make sure they are not broken and there are no dimes, pennies, etc stuck in them. Where do I look for the fuses? I know there are fuses for this but Chevy didn't spell it out for the customer on how to troubleshoot the AUX power connections.. I am at a loss, any ideas?
  • imidazol97imidazol97 Crossroads of America: I70 & I75Posts: 17,734
    edited September 2011
    The fuse for the Auxiliary power outlet and the cigarette lighter are under the hood. If I read my circuit diagram right, it's Row D, #5. The relays and fuses are under the cover with the RED battery connection sticking up out of it.

    It's a 20 amp fuse. Push in on the two clips on each side of the cover and lift. Mine has a coolant tube on one end and the rubber seal for the hood on the other making it hard to pull it up, but wiggle and it comes. The fuse on my 2008 is on the left side facing the car and about the middle.

    Inside the cover, the listing of which fuse and relay does what is embossed. Use reflected light to read.

    Check for pennies and dimes down in the lighter and outlets. they go in easily and short things out.

    I'm looking at a 2008 FSM. You talk about plural auxiliary plugs. Mine has only one.

    The info may be in the glovebox owner manual, but likely isn't obvious what they mean.

    I hope this helps!

    This message has been approved.

  • I am having a lot of issues with this chevy cobalt. They are not new issues but when I take it to the dealership everyone there seems to have no idea what I am talking about????? Since I have owned the car I have had a problem with the locks as I am driving along constantly locking and unlocking, the lights on the dashboard work when they feel like it, the air conditioning constantly leaks (now it stopped working altogether), the steering wheel is very hard to turn( the recall to have it fixed only made the steering worse), and now my Biggest Concern is every time it rains or gets hot outside the engine powers down and the car starts shaking violently. I made several trips to various dealerships and paid to have things on the car fixed like the air conditioning for example and its still not right. Last year when I went to see why the engine kept powering down ( $129.00 just to look at it) I was told after six or seven hours they could not find anything and sent me on my way. This is absolutely crazy. These are serious concerns of mine. This is my second GM vehicle and I don't understand why Gm can't stand behind the product that they put on the streets for consumers. I have had most of these problems for SIX years and I have only owned the car for six years which would mean that this car was probably a lemon from the start. As a consumer I don't deserve to have gone through the issues I have with this car and I am shocked every time I see an advertisement for a COBALT because I was duped into believing that after my good experience with the chevy metro that this too would be a great purchase. Needless to say, I want my next experience with a car to be a lot less frustrating so GM will probably be at the bottom of my list. And as far as all of these invisible problems that your mechanics can't seem to see or don't want to see because they may all end up factory defects, I think it is really sad that you would be willing to sell a bad product to a consumer and not even care how it affects the people that are sitting on the the side of the road and can't get home to their families (I have seen a lot of cobalts on the side of the road). I would just like to know what happened to the integrity of this company, a company known for presenting a good product, a product people could believe in. I would liked to have been able to drive my car at night, in the rain or even when it's hot outside without worrying about if i'm going to make it home or not safely. And I won' even speak on how rude and unattentive the people you have working in these dealerships can be it's really unbelievable. I'm sure I'm not the only one who feels this way!!!!! But I guess since I am just one of the many people that spend their hard earned money making payments on cars that should have never been sold in the condition that they were that these issues will remain and not be made priority by GENERAL MOTORS!!
  • After all my issues that I had it was a simple fix, Dialectic (probably spelled wrong) grease on all of the connectors between the computers to help the connections. worth a shot.. shouldn't cost much, they did mine for free. I know it doesn't seem like much but It worked on all my issues I had thus far...... Knock on wood. If it still keeps happening contact Kimball and Silverman They got me $2700 out of GM for my issues... and my car didn't qualify as a lemon.. www.lemonlaw.com There is another law out there that this stuff falls under (a federal one)
  • Hey I had to have my PCM replaced 2 times and ECM as well and the steering column bc of all my electrical issues, radio, power steering, all my gauges on the dash my transmission etc. and it didn't work. Before you do that try this. Last time I took it in I-- knock on wood-- finally got it fixed... have them put dialectic grease on ALL the connectors between the computers.. if they forget just 1 it will have the same issues -- they did this once with mine before but forgot a connector. its worth a shot and cheaper than a PCM or ECM. (PCM: Power-train Control Module and ECM: engine control module; are the 2 major computers to your car. With the cobalt though the power steering is electric so it has things run through there as well and was the reason for the recall that is why I had all 3 replaced... )
  • This was the only one that was pulling for me too!!! see my other reply to you.
  • So far haven't had the issue again...... I had to have my PCM replaced 2 times and ECM as well and the steering column bc of all my electrical issues, radio, power steering, all my gauges on the dash my transmission etc. and it didn't work. Before you do that try this. Last time I took it in I-- knock on wood-- finally got it fixed... have them put dialectic grease on ALL the connectors between the computers.. if they forget just 1 it will have the same issues -- they did this once with mine before but forgot a connector. its worth a shot and cheaper than a PCM or ECM. (PCM: Power-train Control Module and ECM: engine control module; are the 2 major computers to your car. With the cobalt though the power steering is electric so it has things run through there as well and was the reason for the recall that is why I had all 3 replaced... )
  • I have a 2008 Cobalt n I HATE THE CAR WITH A PASSION!! I had the original ignition replaced on 11/27/09 and currently my car is back in the shop with the same damn issue!! GM is refusing to do anything about it but offer me a rebate!! IF I COULD TRADE THE CAR IN WOULDN'T THEY THINK IT WOULD HAVE BEEN TRADED IN ALREADY!! I will never by another Chevy!!!
  • gmcustsvcgmcustsvc Posts: 4,005
    lsxygrl2000,
    I apologize for your frustrations. What is your case number with GM and VIN? Please feel free to email me directly. I look forward to your response.
    Christina
    GM Customer Service
  • We have a second Cobalt in for the same repair: Daytime lights don't come on, and on both cars the problem is a melted or burnt wiring harness. Dealer managed to patch the first one, but the second requires a harness replacement. Very expensive, and can only be ordered from the US.
    Have others experienced this? It seems maybe a systemic problem, with 2 cars down within a week.
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