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NHTSA — Electrical System Problems

2009 Pontiac G6 (Page 6 of 6) Notes: The 2009 is starting to have the same problems as previous model years, including the headlights blowing out due to bad connectors.

The wiring harness connections aren't a big deal to replace, as long as your dealer or mechanic doesn't charge you an arm & a leg to "diagnose" the problem.


really awful
Crashes / Fires:
1 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
50,946 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2009 Pontiac G6 electrical problems

electrical problem

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2009 Pontiac G6 Owner Comments (Page 6 of 6)

« Read the previous 20 complaints

problem #17

Jun 082012

G6 4-cyl

  • 63,000 miles


In May 2012 the driver side headlight went out so we replaced it with a brand new light. Within 2 weeks (June 8th), I was driving in Indiana when I noticed my headlight was out again. We again replaced the headlight and since then it works intermittently. When I start the car in the morning and the headlight is out, then most of the time, it will turn on as I am driving down the road. If the headlight is on when I start the car, them most of the time as I drive down the road it was flash and then shut off. I have been stopped by police officers for the headlight being burned out and I refuse to buy another headlight.

- Round Lake, IL, USA

problem #16

Aug 012011


  • 65,000 miles
I own a 2009 Pontiac G6. In August of 2011, my left front headlight began to work only intermittently until it no longer would illuminate. I replaced the bulb in the headlight, and it was back to working as it should. A matter of six or so months went by and the right light began to have the same problem until it went out. I replaced it as well, however, within the next few months the right headlight went out again. I have not had the problem officially diagnosed, although internet research seems to show a problem with the connector.

- San Diego, CA, USA

problem #15

Nov 082011

G6 6-cyl

  • 45,000 miles
When driving vehicle brake lights remain illuminated constantly, when the brakes are not applied. Also cruise control is inoperative.

- Hinsdale, NY, USA

problem #14

Sep 202012

G6 6-cyl

  • 82,065 miles


My headlight went out about 3 weeks ago I replaced it and then it went out again and had someone look at it and was told the wiring was melting which I had the same thing happen on the driver side last year and had a friend replace the wiring. Contacted Pontiac and they said I have to get diagnostic testing done.I have noticed this on alot of these types of vehicles.

- Colonial Heights, VA, USA

problem #13

Jul 022012

G6 4-cyl

  • 49,000 miles
Vehicle brake lights remain on except when brake pedal is pushed, then it goes out. This has not caused an accident yet, but it has high potential if a sudden stop is needed there will no warning for the vehicle following ours.

- Howell, MI, USA

problem #12

Aug 092009

G6 6-cyl

  • 35,000 miles
I have replace the housing that holds the headlights (pigtails) on both side of this Pontiac five times now. The car sends too much electric current to the light bulbs that over heats the pigtails and melts them. I've searched online and have found thousands of complaints of this happening to the G6's. this has to be address and GM should do a recall to fix this before the cars catch on fire. Please email me with your response with the word "Pontiac" in the subject line. This is not the first time I've reported this. Please someone do something before someone dies in an accident.

- Youngsville , NC, USA

problem #11

Aug 102012

G6 4-cyl

  • 90,000 miles


On 12/31/2011 I was pulled over for a burnt out headlight. Upon replacing the bulb I noticed that the socket where the bulb plugs in was melted. I put a new bulb in and it worked for 3 months. When that went out in March of 2012 I replaced it again. Now in August of 2012 that bulb burnt out. There is a connection to the melted harness as the bulb that burnt out was melted slightly where it made a connection to the socket. This is obviously an issue that goes well beyond my vehicle as a search on the internet shows other owners with the same issues. When the light bulb burns out at night it puts everyone at a safety risk which is not acceptable. GM needs to do something about this.

- Clermont, FL, USA

problem #10

May 022012


  • miles
My driver side headlight was out. I replace the bulb from 2 different auto store and still not working. Then my dad look at the connector look and seen that 1 of the wires was burned out. So I was told to take it to GMC and see if they can fix it since I had extended warranty. After telling service dept my issue and what I thought was wrong; I get hit with a $89 diagnose it fee that I had already had told them what was going on. They called and let me know that my connector was burned out and need to replace them in order the light to work and it wasn't covered thru my extended warranty so I had to pay $290 to get fix. After google this issue looks like this a on going issue for this vehicle that I think should be a recall before something else get shortage due to burned out wiring. I don't have the VIN# and mileage left paper work at home.

- N Chesterfield , VA, USA

problem #9

Apr 122012

G6 4-cyl

  • miles
My brake lights stick or remain on even when they are not being pressed making it appear that im riding my brakes. I have been pulled over by the police once already. I have replaced the brake light switch twice and it works for a couple of days only. I have seen a recall in the 2005 and 2006 models but it is still occuring in the newer models. I have seen hundreds of blogs about this problem in this particular model of car. This is just an accident waiting to happen when your brake lights arent working correctly. As well as the car getting stuck in park.

- Pensacola, FL, USA

problem #8

Jan 012010

G6 6-cyl

  • 15,000 miles
In 2010 I purchaced a 2009 Pontiac G6. I had it for a couple weeks and my head lights burned out. I then got a new one and it burned out again then the other side did the same thing over and over again. When replacing it I see the socket was burned and melted. To this day I have to replace the bulbs every couple weeks and they go out on my way to work and I work midnigh, so its very dangerous. I also have been online and seen hundreds of people who are having this problem and they chatch on fire. The car is a 2009 Pontiac G6 sadan here is the link to see all the other people having problems. I have also seen many new G6 cars on the road with one head light out and there brand new.I would hate to see them catch on fire or someone get in to a accident because they can't see at night. I also have received a ticket for it which I had to pay because Pontiac didnt build it right. I click up above because the socket was melted which tells me there was a fire.there are over 100 websites with people having the same problem.

- River Rouge, MI, USA

problem #7

Nov 012011


  • 50,000 miles


The contact owns a 2009 Pontiac G6. The contact stated that the battery continuously drained without warning, causing the contact to have to jump start the vehicle every other day. The contact took the vehicle to the dealer but the dealer was unable to duplicate or locate the failure. The vehicle was not repaired. The failure mileage was 50,000.

- Inver Grove Heights, MN, USA

problem #6

Jun 152011

G6 6-cyl

  • 30,000 miles
Was stopped by the police stating I had no taillights. Took the car to the dealer and they stated that the fuse was blown and replaced. Within about 3 weeks the fuse blew again. Had it in twice since and they still cannot find the problem. Keep it a few days and resend the car out. I have checked it out and it seems that when it blows it is in auto mode and when auto lights come on. They said no connection and leave it again. This is a safety issue for my family if we lose taillights at night we could be rear ended. Also I am on my third set of headlights. Keep blowing out. And second set of tires.

- Marianna, FL, USA

problem #5

Dec 102010


  • 52,000 miles
2000 Pontiac GT G6 52000 mi needs tire pressure indicator replaced and rear passenger door lock doesn't open readily, dash lights dim out intermittent. Running rough probably needs fuel injection cleaned.

- Syracuse, NY, USA

problem #4

Aug 112010

G6 4-cyl

  • 46,620 miles
I purchased a 09 Pontiac G6 on July 28th 2010 it had 46,000 miles 2 weeks after I bought it cuts off for no reason in the middle of the street and would not crank up it was towed to the dealership and kept it for 9 days and still would not crank they got it to crank and then lock the keys up while having it running cause the door unlock and lock on their own but didn't know why it cut off and would not crank. So I got it back 2 week later it cuts off again while driving and gave no sign it was going to cut off and would not crank so I am stuck in the road again stranded for an hour I get it crank take it back to the dealer ship they don't know what's wrong it cuts off again while driving. Take it back they don't know what's wrong and it cuts of about 6 to 8 more time while driving I take it to the dealer ship and they say the same thing and mind U these are all GM dealership and I used 3 different ones and they all say the same thing so it cuts off again I call GM myself and file a complaint they were no help and it stills cuts off til this day and it has an electrical problem as well cause the lights dim in and out when you turn on the air or heat or let the windows down or lock and unlock the doors. The engine runs rough and wheels sound like they about to come of while driving this is a bad car it looks good but drives bad and it not safe when the people who made it cant tell you why it cuts off while driving this very dangerous.

- Birmingham, AL, USA

problem #3

Oct 282010

G6 6-cyl

  • 55,000 miles
2009 Pontiac G6, 2.4L, 6 speed auto. Cruising at highway speeds with cruise control active. Sudden failure of cruise control. Erratic brake light functioning. Transmission down shifting erratically at highway speeds. Cruise control doesn't deactivate with brake application. Occurs daily after about 30+ minutes of driving no corrective action performed yet.

- Riley, MI, USA

problem #2

Oct 092010

G6 6-cyl

  • 39,400 miles
I own a 2009 Pontiac G6 anti theft system kicked on while driving. I parked my vehicle 5 minutes later for 20 minutes and when I tried to start it wouldn't crank. This was the first occurence. I have 2 small children in the car with me, but luckily I was pulling into my own driveway. I had just driven from columbus, oh. A few days later after trying to reset my sytem (because I thought it was the anti-theft device) I had it towed to a dealer. As it turns out my negative battery cable had broken. According to the mechanic there was a defect in the cord. The mechanic had to do some re wiring. I just thank the lord that my car didn't cut off while driving.

- Cleveland, OH, USA

problem #1

Feb 212009


  • 28,418 miles
I was on the road and the anti theft lock symbol appeared just before all my dash gauges went wacky. I didn't have speedometer and then no odometer so I pulled off road and shut off car before anything else could happen. Car wouldn't restart after several attempts. Wiring harness was the problem according to the mechanics that repaired my car. I took my car in again after fix because remote start interrupted and wouldn't work and was told remote needed a new battery even though it only had 29,000 miles.

- Syracuse, NY, USA

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