This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
full bulletin at NHTSA ↗2009 Cadillac STS airbags problems
severe Owners of the 2009 Cadillac STS have filed 4 NHTSA complaints about the airbags at roughly $1,100 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See airbags across all vehicles →
| Model year | airbags complaints |
|---|---|
| 2005 STS | 11 |
| 2006 STS | 52 |
| 2007 STS | 15 |
| 2008 STS | 8 |
| 2009 STS (this page) | 4 |
When does it fail?
Of the 4 airbags complaints filed for the 2009 Cadillac STS, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Of the 5 model years of Cadillac STS we track for airbags problems, this one has the fewest owner complaints on file (4).
No new NHTSA airbags complaint has been filed on this vehicle in over 6 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering airbags on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This technical bulletin provides a procedure to complete a terminal replacement or connector re connection to correct a condition of Diagnostic Information for Supplemental Inflatable Restraint (SIR) System, Intermittent AIR BAG Indicator/Lamp Illuminated with DTC(s) B0012, B0013, B0015, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 or B0044 Set (Inspect and Replace Connector Position Assurance (CPA) Retainer)
full bulletin at NHTSA ↗This informational bulletin provides Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices
full bulletin at NHTSA ↗This technical bulletin provides a procedure for the airbag passenger seat suppression module replacement due to the module not detecting a person due to light weight.
full bulletin at NHTSA ↗SUMMARY TO BE PROVIDED ON A FUTURE DATE.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
My airbags did not deploy and my traction control failed. The airbag light remains on and there is a faulty code. The vehicle lost ability to control it to turn. I went straight into the fence. The airbags were not addressed by the body shop or repair shop.
Takata recall. Passenger seat, passenger detect sensor (pps) stopped working. No physical damage. Passenger present light says, passenger air bag off. Air bag dash light always on. I checked wiring under the seat and can not visually see any damage to the wiring going to the seat cushion sensor or the seat buckle sensor.
Since may 2015, going down the road the air bag light comes on, then again in june 2015 going down the road the light comes on again and stays on. Once again , in july lights comes back on and stays on has not gone out as of 21 july 2015.. We brought the car in 2014 with only 19,000 miles, the car now only has 32,500 odd miles on it. We need to know if it has a recall , do not feel safe driving…
Started car to pull out of garage airbag light came on. Took to dealer who said airbags are disabled and new module needs changing at cost of $900.00.
Common questions
How serious is the airbags problem on the 2009 Cadillac STS?
It's a meaningful issue. 4 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?
Based on the 4 complaints filed, airbags issues most often appear around 78,625 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
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.