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 ↗2006 Chevrolet Trailblazer airbags problems
critical 28 complaints filed with NHTSA · avg repair $1,100 · see airbags across all vehicles →
Failure mileage
Complaints
28
Recalls
0
Avg fix
$1,100
17crashes
1fire
28injuries
2fatalities
What stands out
Owners have filed 28 airbags complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Among the 6 model years of Chevrolet Trailblazer in our records for airbags problems, this one ranks #3 by owner-complaint volume.
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.
GENERAL MOTORS: DIAGNOSTIC INFORMATION FOR INTERMITTENT RESTRAINTS, AIR BAG (SIR) INDICATOR/LAMP ON WITH DTC(S) B0012, B0013, B0016, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 OR B0044 SET. THIS MAY BE CAUSED BY A LOOSE, MISSING, OR BROKEN CONNECTOR POSITION ASSURANCE (CPA) RETAINER AT THE AIR BAG FOR THE SET DTC. INCLUDES TRAILBLAZER EXT. UPDATED 8/16/10. UPDATED 3/12/12.
full bulletin at NHTSA ↗AIR BAG INDICATOR LIGHT IS ON. UPDATED ON 12/13/07.
full bulletin at NHTSA ↗SIR LIGHT ON, DTC'S B0022, B0024, B0026, B0042, B0043, B0044.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners report two major categories of airbag failure on 2006 Trailblazers: non-deployment in serious crashes and inappropriate deployment at low speeds.
Non-deployment complaints dominate. Owners describe head-on collisions at 30–70 mph, T-bone impacts, tree strikes, rollover events, and other severe crashes where front, side, or curtain airbags remained inactive. One owner hit the median almost head-on at highway speed; another was T-boned and driven into a tree at significant force; another rolled the vehicle across a lawn after hitting trees and a parked car. In these incidents, occupants struck steering wheels, dashboards, and door pillars, sustaining broken bones, spinal fractures, concussions, and head trauma. One owner's elderly passenger broke three cervical vertebrae. Multiple owners report insurance adjusters questioned whether the airbag system functions at all. Diagnostic scans on some vehicles showed no event recorded on the airbag control module despite severe impacts.
Conversely, some owners report spontaneous airbag deployment. Side curtain and rear airbags have deployed at 5–35 mph during normal driving or after complete stops—one case during a right turn at residential speed. One vehicle was deemed destroyed by insurance after rear airbags deployed unprompted at 5 mph. Owners injured by these deployments reported skin burns.
Owners also report persistent airbag warning lights with no diagnostic explanation and one case where airbags were physically missing from a leased vehicle. A known sensor incompatibility with dealer-installed leather seats remains unresolved for many owners.
Same Chevrolet Trailblazer airbags reports on nearby years: 2005 · 2007 · 2008
Failure modes owners describe
Airbags fail to deploy in significant crashes
Front, side, and curtain airbags remain inactive during collisions of sufficient severity to total vehicles or cause serious injury, despite impact forces and damage that should trigger deployment. Owners report crashes at speeds of 30–70 mph, head-on collisions, T-bone impacts, tree strikes, and rollover events—all with zero airbag activation and no event data recorded on the airbag control module.
When: During crashes ranging from 30 mph to 70 mph; mileages reported 84K to 199K miles
Symptoms owners cite: No airbag deployment during frontal impact; No side curtain airbag deployment during side-impact or rollover crashes; No warning light prior to crash; Occupants struck steering wheel, dashboard, or door pillars; Vehicle totaled by insurance despite airbag system failure
Repairs/costs cited: Owners cite serious injuries (broken bones, head trauma, concussions, spinal injuries) sustained when airbags did not activate. One dealer diagnostic indicated 'no failures found' on vehicle with spontaneous deployment event.
Recalls/TSBs owners mention: NHTSA Recall Campaign 06V417000 addressed passenger-side airbag sensor in vehicles with aftermarket leather seats; however, owners with dealer-installed leather upgrades reported being excluded from recall coverage. GM stated some VINs were not part of recall but offered no alternative remedy.
Airbags deploy spontaneously without impact
Side curtain and rear airbags deploy at low speeds (5–35 mph) or after coming to a complete stop during normal driving or right turns, with no collision, rollover, or significant event to warrant activation. Diagnostic scans show airbag module activated despite absence of crash; one instance reported vehicle deemed destroyed by insurance after spontaneous rear airbag deployment at 5 mph.
When: At 5–35 mph; mileages reported 26K, 79K, and 100K miles
Symptoms owners cite: Sudden airbag deployment during normal driving; Deployment after vehicle comes to complete stop and turns right at residential speeds; No prior warning lights or indicators; Occupants report skin burns from airbag contact; Diagnostic scan shows vehicle in 'rollover state' despite no rollover
Repairs/costs cited: One vehicle was towed to Chevrolet dealer and deemed destroyed by insurance; another required hospitalization for minor neck injuries from airbag burns.
Recalls/TSBs owners mention: GM stated unable to assist on spontaneous deployment claim and found no mechanical failures on vehicle after inspection.
Airbag warning light illuminates continuously or inappropriately
Airbag service warning light remains on continuously during vehicle operation despite no known impact or malfunction. Owners report light stays on for entire journeys and does not clear. In one case, seatbelt warning bell also activates when driver adjusts seat position, even though seatbelt is fastened.
When: Reported at 68K miles; persistent throughout vehicle operation
Symptoms owners cite: Airbag service warning light illuminated on instrument panel; Warning persists continuously during driving; Seatbelt warning bell rings when adjusting driver seat, despite seatbelt being fastened
Repairs/costs cited: Owner reported dealer was unable to identify cause of warning light and stated no recall applied to VIN. Vehicle not repaired.
Airbag system status unknown or missing
Owner discovered airbags physically missing from vehicle after diagnostic scanner indicated SRS activation and showed flood of fault codes, despite no evidence of prior deployment or crash. Insurance cancelled coverage due to flag for airbag deployment and legal non-conformance. Vehicle was repurchased and auctioned off by used-car dealer.
When: Discovered October 2018 on 2006 model leased in August 2017; vehicle already had engine mechanical issues
Symptoms owners cite: Diagnostic scanner shows SRS activated despite no visible airbag deployment; Physical inspection shows airbags missing from vehicle; Multiple fault codes flooded scanner; No seatbelts visibly missing, but airbag connectors confirmed disconnected
Codes mentioned: SRS activation code (unspecified)
Repairs/costs cited: Vehicle deemed non-conforming (no airbag system) and sold at auction despite federal law requirement. Insurance cancelled; owner lost vehicle and lease contract.
Passenger-side airbag sensor incompatibility with aftermarket leather seats
2006 Trailblazer models equipped with aftermarket leather seat upgrades installed by dealers have incompatible passenger-side airbag sensors, creating a safety gap. GM issued Recall 06V417000 but excluded vehicles with dealer-installed leather from coverage, offering no remedy for those owners. Owner reports GM purchased back only the 794 vehicles GM directly upgraded with leather but refused to notify or assist owners with dealer-installed leather.
When: Identified during battery troubleshooting; recall campaign 06V417000 issued but not universally applied
Symptoms owners cite: Passenger-side airbag sensor not compatible with aftermarket leather installed by dealer; No warning light or visible malfunction; VIN exclusion from recall despite safety risk
Repairs/costs cited: GM repurchased affected vehicles it had upgraded directly; no parts or remedy available for dealer-installed leather variants.
Recalls/TSBs owners mention: NHTSA Recall Campaign 06V417000 issued for passenger-side airbag sensor with aftermarket leather. GM stated some VINs not part of recall; refused further explanation or assistance for owner's vehicle.
Synthesized from 28 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Had airbags trouble with your 2006 Chevrolet Trailblazer?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the airbags problem on the 2006 Chevrolet Trailblazer?
It's a serious issue. 28 complaints have been filed, including 17 reports involving a crash and 2 fatality(ies). We've classified it as critical based on NHTSA's reported outcomes.
At what mileage does the airbags typically fail?
Across the 20 complaints that reported odometer mileage, most airbags failures cluster between 46,000 and 122,000 miles, with the median around 88,000. A quarter of owners report trouble before 46,000; a quarter make it past 122,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2006/Chevrolet/Trailblazer.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.