Three problems related to air bag have been reported for the 2004 Chevrolet Avalanche. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Chevrolet Avalanche based on all problems reported for the 2004 Avalanche.
The brake pressure modulator valve leaks the transmission has problems and service airbags is on.
I had jumped my dead battery and left the truck running. About 10 minutes after being jumped, the driver's airbag deployed. The vehicle never moved and was sitting idly in park and nothing touched the vehicle.
Vehicle has had air bag problems, and it has been in and out of the shop since 12/29/2004. They have not been able to fix it. The light comes on that says to service the air bags.