Last Saturday was a starter replacement.
Monday, the airbag light flashed and stayed on after start-up.
Service Airbag massage on the DIC.
B0100 was the code.
Left front airbag impact sensor performance.
I had rewards points at NAPA and they were running the "Bucket Sale", where you get 20% off your order when you buy three or more items online (or buy a bucket in the store for $5 I think?). I bought the impact sensor and 2 cans of BrakeKleen. You can never have enough BrakeKleen, right?
Originally, the sensor was $166.99.
With rewards and the discount, the impact sensor was $100.19.
I got $66.80 off.
Since it was in stock and the price was pretty good, I ordered from the local shop.
About 15 minutes to swap it out. Pretty easy!
I didn't remove the plastic splash guard or any other parts.
You can reach right in there and get a 10mm ratchet box wrench on the bolt.
Light immediately cleared and good to go.
Here was the old part and the NAPA replacement part for the '04 Tahoe...