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Old 12-21-2018, 08:05 PM
 
251 posts, read 951,002 times
Reputation: 135

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I drive a 2014 Hyundai Elantra GT. Today when I was driving for seemingly no reason my airbag light came on and stayed on for the rest of that trip, about 20 miles. When I restarted the car to come back home, the light did not come back on. One unusual thing about the drive was I had the seats down and about 300 pounds of equipment in the hatchback. Could the weight dispersion somehow caused a problem ? Is the light likely to come back on ? If not the weight what else would cause the light to come on ?
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Old 12-21-2018, 09:04 PM
 
Location: OH>IL>CO>CT
7,515 posts, read 13,618,508 times
Reputation: 11908
When I had a similar experience with my 2008 Ford Fusion, it turned out to be an "early warning" that the car battery was getting weak from age.

Two times now (last week, and 5 years ago) on a particularly cold morning, and starting the engine took a few extra seconds, the ABS light came on. Stayed on until engine shut off. Did not light at next startup that day. Next cold morning, repeated same.

I found out what happens is the ABS system does a voltage check to insure the battery is capable of firing the air bag inflators. If voltage is below some level, light comes on.

Both times the battery tested weak with a tester, and were replaced. No more ABS light on cold mornings.
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Old 12-21-2018, 10:10 PM
 
28,122 posts, read 12,589,417 times
Reputation: 15335
I have a 2006 Hyundai Tucson, my airbag light has been on for about 4 years, Ive had them try to test for trouble codes but they have all said nothing is tripping a code, so not sure what it is, but its not affecting the car in anyway.
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Old 12-21-2018, 10:34 PM
 
Location: Los Angeles
8,549 posts, read 10,973,619 times
Reputation: 10798
Quote:
Originally Posted by rstevens62 View Post
I have a 2006 Hyundai Tucson, my airbag light has been on for about 4 years, Ive had them try to test for trouble codes but they have all said nothing is tripping a code, so not sure what it is, but its not affecting the car in anyway.
It's a little gizmo, under the dash, tied into the system, called a clockspring.
It needs to be replaced.


Bob.
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Old 12-22-2018, 03:54 AM
 
Location: SW Corner of CT
2,706 posts, read 3,378,494 times
Reputation: 3646
Very important safety feature, I wouldn't let it go, and have it checked.
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Old 12-22-2018, 04:44 AM
 
8,272 posts, read 10,986,863 times
Reputation: 8910
Quote:
Originally Posted by witton View Post
I drive a 2014 Hyundai Elantra GT. When I restarted the car to come back home, the light did not come back on.
Not on now. So a non issue.

If it comes back on then take Bob's advice above. And get it fixed.

My 1992 Mercury Grand Marquis - one airbag - the light was on for 6 years. Drivers airbag. Never did take it in to be analyzed or fixed. But if it was now I would go and get it fixed.


What happened to the 10 year 100,000 mile warranty that is viewed on TV about this brand of car?
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Old 12-22-2018, 06:06 AM
 
Location: Las Vegas
3,631 posts, read 7,669,562 times
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Quote:
Originally Posted by unit731 View Post

What happened to the 10 year 100,000 mile warranty that is viewed on TV about this brand of car?
The ten year warranty only covers the powertrain.
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Old 12-22-2018, 08:28 AM
 
Location: Metro Washington DC
15,430 posts, read 25,807,497 times
Reputation: 10450
Quote:
Originally Posted by rstevens62 View Post
I have a 2006 Hyundai Tucson, my airbag light has been on for about 4 years, Ive had them try to test for trouble codes but they have all said nothing is tripping a code, so not sure what it is, but its not affecting the car in anyway.
You will only notice the effect by accident. It won't be obvious when you look for it.
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Old 12-22-2018, 04:36 PM
 
Location: OH>IL>CO>CT
7,515 posts, read 13,618,508 times
Reputation: 11908
Exclamation ABS vs SRS

Quote:
Originally Posted by reed303 View Post
When I had a similar experience with my 2008 Ford Fusion, it turned out to be an "early warning" that the car battery was getting weak from age.

Two times now (last week, and 5 years ago) on a particularly cold morning, and starting the engine took a few extra seconds, the ABS light came on. Stayed on until engine shut off. Did not light at next startup that day. Next cold morning, repeated same.

I found out what happens is the ABS system does a voltage check to insure the battery is capable of firing the air bag inflators. If voltage is below some level, light comes on.

Both times the battery tested weak with a tester, and were replaced. No more ABS light on cold mornings.
BTW, in this post I meant for ABS to mean the Air Bag System (aka SRS), not the Automatic Braking System light.
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Old 12-22-2018, 05:23 PM
 
2,138 posts, read 3,589,677 times
Reputation: 3409
Quote:
Originally Posted by rstevens62 View Post
I have a 2006 Hyundai Tucson, my airbag light has been on for about 4 years, Ive had them try to test for trouble codes but they have all said nothing is tripping a code, so not sure what it is, but its not affecting the car in anyway.
Except that you and your occupants have no air bag protection whatsoever if that light is on.


You need a competent shop to properly diagnose this unless you don't care about maximum driver and occupant protection.
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