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Old 11-07-2012, 07:30 PM   #1
DavesWhiteHot
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Thumbs down Airbag fault? :(

Ok this has become very annoying. At totally random times and usually only for a few seconds at a time (then it goes away) this pops up and warning sounds chime. The fact that my traction control is off is totally unrelated as I manually turn it off all the time as I had before this pic was taken. So disregard that. Car had the airbag warranty recall thing done on it a long time ago. Car has 34k on it and this just randomly started. Any clue what I should do or what it is? Car just went out of warranty by 2 months.


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Old 11-07-2012, 08:51 PM   #2
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I had the problem. It ended up being a sensor under the passenger seat. My car was just out of the mileage, but less than 3 years old. The dealership replaced the module free under a good faith thing. They had to fill out some extra paperwork to get reimbursed from GM , but I was happy.
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Old 11-07-2012, 09:00 PM   #3
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It goes thru a complete system check at key turn on, as well as continuously monitoring the SIR system. Can't tell if you get display/chime at key turn, or randomly while driving. But anytime that display/chime is triggered (especially if its always the same circuit), it should have recorded a fault message. If you can get your hands on a code reader that can read the *B labeled* faults, it would then at least allow you to know what might be faulty at times.
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Old 11-07-2012, 09:29 PM   #4
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I wonder if my autocal will do that? If not my buddy has an OBD2 scanner. Thanks for the responses guys! That gives me some guidance.
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Old 11-07-2012, 09:51 PM   #5
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Quote:
Originally Posted by DavesWhiteHot View Post
I wonder if my autocal will do that? If not my buddy has an OBD2 scanner. Thanks for the responses guys! That gives me some guidance.
Standard OBD2 scanners will not read airbag or abs faults. I don't know about the autocal.
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Old 11-08-2012, 03:04 PM   #6
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I have the same issue. It seems to be a common problem according to the dealership i go to. Im kinda used to it now.
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Old 11-08-2012, 03:16 PM   #7
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I would check all the connections by each seat.. (front outside portion of the seat at the floor....)...I had one loose and it was doing the same... once I clicked it in good.. it worked perfect.... darn thing is so many little things could be bringing up message.. good luck!!
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Old 11-08-2012, 05:36 PM   #8
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This happens to me as well, but only when its cold out. Never had a single issue with the airbag fault all spring, summer, or fall. I figured the airbag recall fix might have done the trick, but on the first cold (by Florida standards anyway) day of the season Ding!!! airbag fault. Sometimes it goes away after a few seconds, sometimes its with me my whole way to work. I just ignore it if I don't have any passengers. Also, a quick restart sometimes fixes it temporarily. Sometimes...
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Old 11-08-2012, 06:08 PM   #9
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check your battery...mine was giving all sorts of errors...took it to the dealer and it end up being bad cells in the battery...replaced it and errors went way...and damn our batteries are not cheap...
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Old 11-08-2012, 09:26 PM   #10
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Interesting responses! Thanks guys. Just started doing this and who'd have guessed it, it's cold out too. And original battery. I will check all connections under the seat and go from there....
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Old 11-08-2012, 09:50 PM   #11
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Quote:
Originally Posted by Knothead View Post
This happens to me as well, but only when its cold out. Never had a single issue with the airbag fault all spring, summer, or fall. I figured the airbag recall fix might have done the trick, but on the first cold (by Florida standards anyway) day of the season Ding!!! airbag fault. Sometimes it goes away after a few seconds, sometimes its with me my whole way to work. I just ignore it if I don't have any passengers. Also, a quick restart sometimes fixes it temporarily. Sometimes...

Same here. I'm convinced it's the driver's side that's the problem. Happens most mornings now (cold here near Toronto) but I never get it when I'm on my way home from work, because the car sits in the heated underground.

Bought the extended GMPP warranty - hope this is covered.
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Old 11-08-2012, 09:53 PM   #12
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wasn't this a recall they had? When I bought my G8 they had mentioned there was a new recall for the air bag sensor on the passenger side and they fixed it.
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Old 11-09-2012, 06:20 AM   #13
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Quote:
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wasn't this a recall they had? When I bought my G8 they had mentioned there was a new recall for the air bag sensor on the passenger side and they fixed it.
Yes, there is some sort of passenger side airbag recall, but it doesn't seem to cure the sporadic "Airbag Fault."
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Old 11-09-2012, 10:14 AM   #14
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Go to Walmart and get a battery, Ive got a how to on here somewere. Just search my screen name.
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Old 11-09-2012, 10:47 AM   #15
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Quote:
Originally Posted by Bo White View Post
Go to Walmart and get a battery, Ive got a how to on here somewere. Just search my screen name.
Found it, thanks Bo. Here's the link for anyone else that wants to see it.
Great write up! You really think that's my problem? Would it help for me to measure volts with it in engineering mode? I'll go out during lunch and measure it and modify this post with results.

http://www.g8board.com/forums/showth...3768&highlight=

EDIT:

Key-on = 12 V
While cranking car = 10.5 volts
Once car is running it ramps on up to 14.5 volts within about 3 seconds
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Last edited by DavesWhiteHot; 11-09-2012 at 11:10 AM.
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Old 11-09-2012, 11:14 AM   #16
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My car hasnt had the usual G8 complaints like Ive read like the airbag or steering wheel shake but when I called the dealer on the battery to see about a replacement he asked if I had an airbag fault. I told him no and that the recall had already been done to it and he said sometimes when the battery is going bad it will throw the airbag fault.
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Old 11-09-2012, 11:17 AM   #17
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Thanks Bo. I might as well go ahead and put a new battery in it anyway. The car was manufactured in August of 2008 and sat on a dealer lot racking up 256 miles until I purchased it as a 2009.1 model in September of 2009. So the battery is just over 4 years old, and 34,200 miles. It very well could be the cause. So I want the Walmart Everstart H7 MAXX 790CCA right?
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Old 11-09-2012, 12:55 PM   #18
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Correct. Direct replacement.
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Old 11-10-2012, 09:32 AM   #19
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Ive had a replacement battery in my car for about 6 months and have had the recall work done and still have the airbag fault. Mine must be an actual bad part. No biggie..
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Old 11-11-2012, 03:50 PM   #20
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I had the same error last week. I needed a new passenger airbag module, parts and labor came to $800. Thanks GM.
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