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Pontiac G6 Lighting/Electrical



  • hon1981hon1981 Posts: 1
    You are wasting your money on bulbs. There is a problem with the wiring harness to the headlights on those cars. The lowbeam wires in the harness corrode for some reason causing a short. It should be a recall but I don't think it is.
  • gonogogonogo Posts: 871
    I have a 09 base with 33K and no head light problems. Some of the light connectors on some cars get corroded. You can buy repair connectors in most any parts store, just match the connector to you bulb.
  • kittydogkittydog Posts: 5
    We had all sorts of problems with our electrical. They replaced the wiring harness and still the problems were there. Fortunately we had purchased an extended service plan which paid for it. The BCM is under a special extended warranty. It took many trips back before they finally replaced the BCM under the warranty but all the problems seem to be gone. I say "seem to be gone" because after the BCM was replaced the car just sat for a while due to health issues that kept it from being used. I've been driving it for the past week and so far so good. Good luck.
  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964
    Hope that your health issues have been resolved, kittydog, and that the fix with your G6 did the trick!

    All the best,
    GM Customer Service
  • My 2008 G6 now has 84,000 miles. The passenger side rear door lock will electrically lock or unlock about 10% of the time. The driver side rear door lock might electrically operate about 1% of the time. I tested the door lock actuator circuits from the BCM connector with a 12vdc 7aH battery. The driver and passenger front lock actuators operate perfectly with this battery. The rear door lock actuators do not operate. The solonoids for these actuators should perform as the front actuators.

    This model was manufactured with sub-standard components. I have filed a safety complaint with The Office of Defects Investigation (ODI), an office within the National Highway Traffic Safety Administration (NHTSA). Here is their link:

    I urge everyone with a similar concern to file a complaint.

    I will not be taking this vehicle to a GM dealer for repairs. I'll either fix it myself or have my local mechanic repair it. :lemon:
  • nt1078nt1078 Posts: 1
    edited October 2012
    My 2006 G6 has so far shown little electrical troubles except the right (passenger) headlight. Wiring connector melted as with many of the other posts I've read and caused the light to fail. Don't waste your time and money on bulbs. Check the connector first, chances are it has melted. To remedy mine (for a while) I bypassed the factory harness plug and installed spade type connectors so I can still unplug the headlight from the harness. Worked well for a while now it has and issue with both passenger headlights coming on dim in low beam then going out all together when you put the hi-beams on. Then for added flavor the right headlights flash back and forth like a rail road crossing when you put the right turn signal on. WTF, GM? What did you do with all that bail out money? Google it, GM folks and look at all the complaints, do the right thing and issue a recall before someone really gets hurt from your cheapening out on sub quality parts.
  • I've encountered the melted connector for the driver side low beam, smelled it as soon as I opened the access cover. I was able to remedy it by replacing the entire harness. The passenger headlamp assembly caught some road debris a few weeks earlier. I replaced the headlamp assembly, (don't order from the stealership, I got mine from O'Reilly Auto), and I still had the dead assembly's harness. You can't buy a headlamp harness as a stand-alone item. You have to replace the headlamp assembly. You can order replacement connectors from any auto parts store that sells Dorman products. The low beam connectors fail because those lamps are always on due to Daytime Running Light and normal headlight operation.
  • gonogogonogo Posts: 871
    Door locks are not considered a safety item, you have manual locks and door key. GM will not fix out of warranty.

    What you are posting about is reliability, not safety.
  • Don't expect GM to come to the table with anything. I had a problem that I finally had to take to different GM dealer to get fixed. I asked GM to pick up the tab as it was a problem since day one. Their reply was a coupon towards a new car which I don't need. The best part of the conversation was when I told the GM rep that both of my GM cars only had 50K on them his response was they were out of warranty so you better get rid of them.
  • Per the G6 Owners Manual:

    Unlocked doors can be dangerous.
    Your vehicle is programmed at the factory to lock all
    doors automatically when the following are met:
    • All doors are closed.
    • The ignition is on.
    • The shift lever is moved out of PARK (P) for
    vehicles with an automatic transmission.
    This feature cannot be disabled.

    So, if something that contributes to vehicle occupant safety does not operate as designed, it is a safety issue.
  • gonogogonogo Posts: 871
    You have manual locks, electric just makes it easier. It's just a guard against lazy people.

    You have DRL, if not working, not a safety item.

    Canada mandates DRL, US does not. US does not mandate that doors be locked when moving, that would be big brother.
  • So, what you're really saying is that it's OK that connectors melt and electric door locks don't work on a vehicle that's not even 5 years old?
  • gonogogonogo Posts: 871
    What I am saying is, you won't get them fixed for free unless you have extended warranty.

    The locks have been a known poor reliability, not just G6, other GM models, no recall that I have ever seen. The melted connectors go back to first Z body 04 Malibu, which is the same Z body design as G6.

    A lot of GM design problems are not covered out of warranty, the infamous intake manifold coolant leak on GM V6 engines were never covered that I know of.

    I have read at times if you had all your work done at the same dealer, they may at there discretion, give a customer satisfaction repair, not common though.
  • gmcustsvcgmcustsvc Posts: 4,057
    Good morning gretchen11,

    We're sorry to hear that you've not been able to get your electrical concerns with your vehicle resolved at your dealership. If you would like for us to follow up on this with your dealership for you, please contact us via email at (include your name and contact information, a brief recap of the situation, the last 8 digits of your VIN and mileage, and the name of your dealership).

    Sarah, GM Customer Service
  • jess41jess41 Posts: 1
    edited January 2013
    After reading all of the problems, I am very sorry I didn't research fully before I purchased my g6. My headlights don't work, my back passenger door does not unlock, my battery went out, I've had to replace fuses and hoses and cracked water tanks, all on my 2009. This is by far the worst car I have ever owned. And with person after person complaining of the same issues, you'd think they'd recall them and save their "valued customers" some money, but no. It doesn't matter that we make our car payments on time, paid it in full, and keeps their shops filled to the brim with repairs that aren't covered. I am diasppointed in GM, and will never, ever buy a car from them again. Thanks a bunch.
  • gmcustsvcgmcustsvc Posts: 4,057

    Do you have a plan of action to getting these concerns addressed? Let us know if we can look into anything further with you - we can be contacted at (include your name and contact information, the last 8 digits of your VIN and mileage, and a summary of the situation so far).

    Sarah, GM Customer Service
  • Well I am very disappointed in the customer service of pontiac!!! My car was brought to the dealer every time I have had problems which might I add was 6 times in 1 year and I had bought the extended warranty for my car and none of the times could they get it fixed. My extended warranty expired at 75,000 miles and I brought my car back with 77,00 miles on it. Hmm once again they had to put a body control modular in I had to pay over 400.00 for it even though I had brought it there well in my extended warranty time frame and they could not pinpoint the problem because it was electrical and did not always do it when I brought it there. BS . Pontiac customer service has jacked me around for weeks because I thought they should pay for these repairs. Well after numerous phone calls of the same BS they tell me tonight they are not going to pay for it!! NEVER buy a PONTIAC G6 and I will never buy another GM product!
  • My wifes 2010 g6 has the same issue. Is there a recall out?
  • gmcustsvcgmcustsvc Posts: 4,057
    Hi JimVue

    I apologize for your frustrating issue. I would like to assist you. You can email me your name, VIN and current mileage and I can look to see if any recalls apply to your vehicle. Please email me at Also include this forum and a description of the issue. I look forward to hearing from you.

    Chevrolet Customer Care
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