Traveling at approximately 35mph on inner city road in my 2009 Hummer H3T, both driver and passenger side curtain airbags deployed without any warning, no collision or accident, system went into crash mode and fired seat belt tensioners. Pictures taken of the exterior conditions and terrain/road conditions. Luckily just driver was in vehicle no other passengers. Vehicle taken to GMC dealer and i…
2009 Hummer H3 airbags problems
severe 13 complaints filed with NHTSA · avg repair $1,100
What owners are reporting 4 most recent
TL* THE CONTACT OWNS A 2009 HUMMER H3T ALPHA. THE CONTACT WAS DRIVING 75 MPH WHEN BOTH THE DRIVER AND PASSENGER SIDE AIR BAGS DEPLOYED WITHOUT WARNING. THE FAILURE RECURRED TWICE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE DEALER CONFIRMED A FAULTY SENSOR WAS THE CAUSE OF THE FAILURE. THE MANUFACTURER WAS CONTACTED AND THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 34,800 AND THE CURRENT MIL…
TL* THE CONTACT OWNS A 2009 HUMMER H3T. THE CONTACT STATED THAT WHILE DRIVING AT 30 MPH, THE SIDE CURTAIN AIR BAGS DEPLOYED, BLOWING DEBRIS INTO THE SIGHT OF THE CONTACT. THE CONTACT WAS NOT INVOLVED IN A CRASH THAT WOULD CAUSE THE AIR BAGS TO DEPLOY. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 119,000. UPDATED 1/15/16 *CN…
TRAVELING AT 5MPH ON NEIGHBORHOOD GRAVEL ROAD, SIDE CURTAIN AIRBAGS DEPLOYED WITHOUT ANY WARNING. NO COLLISION OR ACCIDENT. ENTIRE SYSTEM WENT INTO CRASH MODE AND FIRED SEAT BELT TENSIONERS, AND SHUT DOWN FUEL. HAD 2 PASSENGERS IN VEHICLE, ALL WERE UNINJURED. WAS FORCED TO CUT AIRBAGS OFF CEILING TO SEE OUT, AND DRIVE VEHICLE TO CLOSEST GARAGE. INCIDENT WAS CAPTURED ON VIDEO BY PASSENGER USING A G…
Common questions
How serious is the airbags problem on the 2009 Hummer H3?
It's a meaningful issue. 13 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,100.
At what mileage does the airbags typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $1,100 for airbags repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to airbags?
No active recalls currently cover airbags issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.