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Airbag

thornmz71

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thornmz71 Enthusiast

thornmz71

Posted
Posted

hey guys i have a question about my truck i just got it on friday, its a 2007 silverado ext cab 5.3l z71 , anyhow i fing love it my question is i have a red airbag light on all the time and am wondering if it is suspose to be on all the time the owners manual is it french so its no help and the dic isnt saying anything, i have a read the 08 owners manual and it says if it stays on there could be a prob, oh btw its the nbs thanx in advance

Itsme7 Enthusiast

Itsme7

Posted
Posted

There shouldnt be an airbag light on. The only airbag light should be on the rear view mirror, saying if the passenger airbag is on/off.

dlstewart01 Senior Enthusiast

dlstewart01

Posted
Posted

There are too many connections, modules or sensors to go bad. You need to get a tech 11 or scanner that will read B codes and that will tell you where the problem is. A regular OBD 11 scanner will not read B codes.

Beebe Enthusiast

Beebe

Posted
Posted
Probably a bad connection and/or water intrusion at the front g-force sensor.

 

I just replaced a front sensor on my wifes "05 Suburban. I forgot the code, but it was defined as "Front Airbag Sensor 2 blah blah". I ordered the part from GM Parts Direct totalling $86. This code refered to the passenger side sensor. When you look underneath the truck look for the tell tale yellow plug. The sensor is about 1.5" square with one bolt. Not hard to do if this is your problem.

jblakeney Senior Enthusiast

jblakeney

Posted
Posted

Yellow connectors usually == Airbag system..... I can not think of another place a yellow connector is used. But you need a high end scanner plugged up and the codes retrieved (Genisys, Pegisys, Tech II, etc, etc)....

 

Last airbag system I had to work on it was a S-10 with power seats, the track had pinched the wire and cut it in two.

 

Don't forget when working with an airbag system remove the battery cables and wait 30 minutes for the system to discharge, before removing connectors or airbags. The system is live with out the key on and live for period of time with out the battery cables connected (aka it can cause the airbag to deploy with out the battery hooked up).

 

Jbo

dlstewart01 Senior Enthusiast

dlstewart01

Posted
Posted

There are several yellow connectors in the system. they are under the seat, under the dash, behind the kick panel, and in the front of the vehicle. Any one of them can go bad. There are modules under the seat that can go bad. there are two front sensors that can go bad.

 

When I am working on the air-bag system I don't disconnect the battery any more..I follow the procedure in the GM factory service manual.

 

deployment power is only available for up to one minute after power is is disconnected.

 

Take out the SIR fuse, then disconnect the connector position (CPA) assurance , thats the yellow connector that powers which ever restraint system you are working on. There will be no power to that system and it cannot deploy. Yes I have used this procedure a bunch with no issues. If you are scared, disconnect the battery.

 

I used this procedure Monday when I added dic to my truck and had to remove the drivers side airbag.

 

This is for replacing the front sensor...

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