Service Air Bag light after bumper removal

[bossku69]

First, I've read a lot of threads here and elsewhere about the airbags, however can't seem to find something particular to this issue.

I took my 2005 Tahoe to a body shop, the front bumper had a bit of rust (it's painted black - Z71 color) and was really annoying me to look at. He advised me he could remove the bumper or I could do it and save $200 in labor. He pointed out where the bolts were located and seemed like an easy job.

Now I know why he suggested it...

Right now the "Service Air Bag" light is on, I've disconnected the battery, removed the fuse, tried to reset different things and no luck. However, neither another body shop nor I can pull up any codes using the OBD!!!

I'm stumped... Should I try and replace both? The dealer said it's an hour of labor to look plus a fee for their diagnosics testing (because they can't make enough from you) but told me it could be $700+!

A garage said they can try and replace them, it's $200 each side.

Any thoughts?

 

[SnowBuck]

Same "check airbag" display

Got that when I took the front seat out...forgot to reconnect the weight pressure sensor on the bottom of the seat = fixed it.
Doubt just unplugging your bumper sensors would have broken them, but...price replacement of your airbags if they accidentally deploy while you are fiddling with it! I'd give the Dealer the $100 bucks for a diagnosis prior to premature replacement. In hindsight - I made a BIG mistake taking out the seats withOUT disconnecting the battery! But all that ends well...anyway - I figured it was your sensors that initiate a deployment so I was OK.

 

[bossku69]

Got that when I took the front seat out...forgot to reconnect the weight pressure sensor on the bottom of the seat = fixed it.
Doubt just unplugging your bumper sensors would have broken them, but...price replacement of your airbags if they accidentally deploy while you are fiddling with it! I'd give the Dealer the $100 bucks for a diagnosis prior to premature replacement. In hindsight - I made a BIG mistake taking out the seats withOUT disconnecting the battery! But all that ends well...anyway - I figured it was your sensors that initiate a deployment so I was OK.

That's what is confusing, I only removed the front bumper, then reinstalled a week later. There was no contact with the front of the vehicle at all. Nothing was touched in the interior either -- this is how the garage is stumped.

Dealership said it could be pricy just to do a diagnosis. First thing they do is plug in to their computer, which will give the same results both I and the garage saw... Nada!

Otherwise they told me they will have to remove the sensors and replace them to see if that fixes the issue... But at that point, I'd have to pay for them regardless.

 

[YuCanada]

I have a service airbag on my 07 and it just occurred to me after reading this that it happened after I changed my rear bumper..

No codes for it either.

 

[bossku69]

I have a service airbag on my 07 and it just occurred to me after reading this that it happened after I changed my rear bumper..

No codes for it either.

I had both bumpers removed, only assumed it was the front.

There is nothing I can see on my rear, only the lights that go around the plate. You may have backup sensors since you have the newer model.