Kia Sorento 2005 Airbag issues - Kia Forum
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#1 (permalink) Old 03-25-2010, 03:34 PM
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Default Kia Sorento 2005 Airbag issues

I have a Kia Sorento 2005. Took it to the dealer that provides Kia service. Airbag light is on, also passengerís light (which indicates that airbag is off) is on. About a month ago both lights came on, dealer repaired the cable that connects the passenger seat to the airbag (it was broken). Lights went off, but after 2 weeks they came on again. Dealer now says the mat (sensor inside the seat) on the passengerís seat, is defective and needs to be replaced, at a cost of $2,700. Funny thing is that while the driverís airbag is OK, it wonít work either because the computer/module indicates an error code that cannot be cleared. A couple of questions :

1. Where I could get the mat (sensor) at a better price ($2,700 for a sensor, for a 5 year vehicle is too expensive)?
2. If I donít replace the mat on the passengerís seat, is there anyway to rewire the passengerís airbag so it works (like the old cars where passenger airbag opened regardless if no one was sitting on the passengerís seat - apparently there was no sensor on passenger's seat)? If answer is no, can at least the driverís airbag be made to work?

Thanks for your help.

Last edited by ahpitre; 03-25-2010 at 03:37 PM.
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#2 (permalink) Old 03-25-2010, 03:40 PM
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Welcome to the forum! I'm quite certain that the system cannot be rigged to work when there is a fault in the system. Aside from that, I wouldn't feel comfortable doing any modifications on an airbag system. Too much liability. The sensor costs so much because it isn't available seperate from the complete seat base assembly. I would go to a salvage yard to see if I could get a used seat. It's worth fixing it right. Think of your own safety and the safety of anyone that will be traveling with you.
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#3 (permalink) Old 03-25-2010, 03:50 PM
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Originally Posted by mattybyzf View Post
Welcome to the forum! I'm quite certain that the system cannot be rigged to work when there is a fault in the system. Aside from that, I wouldn't feel comfortable doing any modifications on an airbag system. Too much liability. The sensor costs so much because it isn't available seperate from the complete seat base assembly. I would go to a salvage yard to see if I could get a used seat. It's worth fixing it right. Think of your own safety and the safety of anyone that will be traveling with you.
Do you think the issue might be related to sensors within the seatbelts? I have read that when these don't work properly, the airbag & passenger lights might turn on.

If I were to get a seat from a salvage, would it be too complicated to install it myself, or do I need to go to a shop because the computer might need to get reset?
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#4 (permalink) Old 03-25-2010, 04:36 PM
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The seatbelts only register "connected, or not connected". There is a warning light, but is not monitored in regards to throwing a code. The seat is quite easy to swap out. Especially if you have an entire seat. The code would have to be reset when you're done though.
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#5 (permalink) Old 03-25-2010, 05:17 PM
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first remember that you are working with detonators and explosive charges ...Always disconnect the battery for 20 min before starting work on the the system . The switch under the seat only detects the weight of a person on the seat and can surely be wired to think someone is sitting on the seat all the time
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#6 (permalink) Old 03-26-2010, 10:01 AM
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first remember that you are working with detonators and explosive charges ...Always disconnect the battery for 20 min before starting work on the the system . The switch under the seat only detects the weight of a person on the seat and can surely be wired to think someone is sitting on the seat all the time
If the seat is rewired, then how does the airbag open? Sensors are supposed to adjust the force & speed of the airbag, according to the weight of the person. Could this be wired to open at a specific rate for an average person (somewhere between 150 - 200lbs)?
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#7 (permalink) Old 03-26-2010, 07:31 PM
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as far as I know thats rubbish its an explosive charge producing a lot of gas to inflate a bag that stays up for milliseconds ...does not vary with passenger weight which is why you should not put kids in the front ...
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#8 (permalink) Old 03-26-2010, 11:06 PM
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Ok, to start off we will discuss your issue with the OCS (Occupant Classification System) light which is the light that controls the passengerside airbag. There is a reprogram for Sorento models produced between 8/20/04 and 4/5/05. The update only takes about 15 mins but it should fix your problem.
Also, you never gave which code the ECM was showing for your air bag system. But, there are a few other updates for the air bag system. One includes a PCM upgrade and the other involves installing some interior pieces under the driver's seat to protect the wiring harness while moving the seat. Any Kia dealer should have access to these upgrades.


Do you remember the codes that were in the system?
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#9 (permalink) Old 03-27-2010, 05:32 AM
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Originally Posted by ahpitre View Post
If answer is no, can at least the driverís airbag be made to work?

Thanks for your help.
Somewhere, somehow, it must be possible since UK models (At least) have never been equipped with the passenger seat sensors and indicator lights. Also our Facelift models have a switch (operated by ignition key) in passenger side facia to turn off the passenger side air bags. Mind you, not something I would want to try and play with as others have said.
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#10 (permalink) Old 07-29-2013, 10:26 PM
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I have a 2005 sorento. The srs light came on and the dealer diagnosed as a bad air bag (high resistance). He didn't tell me the code. Is there a way for me to pull the code. I heard jumper out obd2 pins 4 to 9 works.
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