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 ↗2005 Chevrolet Trailblazer airbags problems
critical 67 complaints filed with NHTSA · avg repair $1,100 · see airbags across all vehicles →
Failure mileage
Complaints
67
Recalls
0
Avg fix
$1,100
42crashes
1fire
53injuries
1fatality
What stands out
Of the 6 model years of Chevrolet Trailblazer we track for airbags problems, this one carries the most owner complaints on file — 67.
Owners have filed 67 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.
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 ↗SIR LIGHT ON STEADY AFTER BULB TEST AND NO DIAGNOSTIC TROUBLE CODES (DTCS).
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of 2005 Trailblazers report widespread airbag failures across multiple systems. The dominant complaint is frontal airbags not deploying during crashes—head-on impacts at 25 to 78 mph, rear-end collisions, guardrail strikes, and tree impacts all went unprotected. Occupants hit steering wheels and dashboards hard enough to cause concussions, broken ribs, neck injuries, and facial trauma. Multiple owners reported dealers unable to diagnose failure; GM engineers who did inspect sometimes concluded "no mechanical defect" or refused to act when the warranty passed ten years.
A secondary but troubling pattern: side/curtain airbags deployed without collision or impact—sometimes during simple lane changes or vehicle swerves at low speed, filling the cabin with powder and injuring ears. Insurance companies and GM attributed these to "overly sensitive yaw sensors," and one dealership replaced the sensor without resolving the sensitivity.
Service airbag warning lights illuminated intermittently or stayed on, signaling a fault most owners did not pursue. One dealer diagnosed a seat belt pretensioner issue but the owner did not repair it.
Recall 06V417000 for aftermarket leather seats created additional problems: GM had no installation records for some vehicles, dealers did not know how to process the recall, toll-free numbers did not work, and one dealership failed to complete the paperwork, delaying the vehicle repurchase and leaving the owner without remedy.
Same Chevrolet Trailblazer airbags reports on nearby years: 2006 · 2007 · 2008
Failure modes owners describe
Airbag Failure to Deploy in Frontal Collisions
Driver and/or passenger frontal airbags did not deploy during head-on or frontal-impact crashes, often at significant speeds (30-78 mph), sometimes with severe vehicle damage and occupant injuries. Multiple owners reported hitting other vehicles, guardrails, trees, and medians with no airbag activation despite impact severity.
When: During crashes ranging from low speeds (25 mph) to highway speeds (65+ mph); failure mileages ranged from 3,000 to 205,000 miles with no clear pattern
Symptoms owners cite: No airbag deployment during head-on collision; No airbag deployment during frontal impact; Occupants struck steering wheel, windshield, or dashboard; Vehicle sustained major front-end damage but airbags remained inactive
Repairs/costs cited: Multiple owners reported dealers unable to diagnose or determine cause of failure; manufacturer inspections in some cases concluded no defect or stated issue was time-barred; some vehicles never inspected due to owner inability to pursue further
Recalls/TSBs owners mention: GM inspection in some cases found 'no mechanical defect'; one case involved recall 06V417000 (leather seat aftermarket installation concern); GM refused inspection in at least one case citing 10-year warranty bar; vehicle repurchase program mentioned for recall 06V417000 but execution problems reported
Inadvertent Side Airbag Deployment
Side/curtain airbags deployed without collision or impact, sometimes triggered by minor vehicle corrections, lane changes, or normal driving maneuvers at low speeds. Owners reported no contact with other vehicles or objects yet full deployment of side systems, filling cabin with powder and potentially causing injury.
When: During normal driving at 6-65 mph; one owner at 35-40 mph during lane correction with no impact; another at 20 mph without collision
Symptoms owners cite: Side airbags deployed without collision or impact; Airbags activated during lane change or vehicle swerve; Cabin filled with white powder from deployment; One owner reported ear injury from loud deployment noise; Seat belt stopped working after inadvertent deployment
Repairs/costs cited: Insurance attributed one case to 'overly sensitive yaw sensors'; dealership replaced airbag sensor with current model-year sensor in another; GM third-party engineer concluded vehicle was 'preparing for rollover' and acted as intended; airbags not replaced in one case
Recalls/TSBs owners mention: GM engineer inspection stated no mechanical malfunction; one dealership replaced yaw sensor after inadvertent deployment; no recalls applied to owner reports of inadvertent deployment
Service Airbag Warning Light Illumination
Dashboard service airbag warning light illuminated intermittently or continuously, indicating a fault in the airbag system. Some owners reported light blinking or staying on; one owner noted light came on when no passenger was present.
When: At various mileages between 128,000 and 186,228 miles; one owner reported light on since 2006 in early complaint; no clear failure threshold identified
Symptoms owners cite: Service airbag warning light illuminates intermittently; Service airbag warning light remains on continuously; Passenger airbag light not working properly; Light activation with no apparent reason
Repairs/costs cited: One owner reported dealer diagnosed need for seat belt pretensioner replacement but vehicle was not repaired; most owners did not repair or diagnose
Recalls/TSBs owners mention: Recall 06V417000 mentioned in relation to aftermarket leather seats affecting airbag function, but many owners with warning lights reported vehicle did not match recall criteria; GM unable to locate record of modification on some vehicles
Airbag Sensor Chemical Leak
Chemical substance leaked from front passenger side airbag unit after a collision in which the airbag failed to deploy. Moisture and unknown chemical deteriorated the seat, cables, and floor material. Owner unable to stop leak despite attempts.
When: Discovered two months after a collision where airbag failed to deploy at unknown mileage
Symptoms owners cite: Moisture on front passenger seat; Unknown chemical substance leaking from airbag unit; Chemical deteriorated seat material; Chemical deteriorated cables; Chemical deteriorated floor material
Repairs/costs cited: Dealer technician unable to diagnose or repair; owner unable to stop leak progression
Recalls/TSBs owners mention: Manufacturer notified but no record of warranty action or replacement
Recall 06V417000 Implementation Issues
Owners with 2005 Trailblazers with aftermarket leather seats reported difficulties accessing or completing the recall process. GM initially had no record of modifications on some vehicles; dealers were unaware how to handle recall; hotline numbers were non-functional; vehicle repurchase process was incomplete or delayed.
When: Reported from 2006 onward; one repurchase was delayed due to dealership paperwork failures
Symptoms owners cite: Unable to reach manufacturer hotline; GM had no record of aftermarket leather seat installation; Dealer unaware how to process recall; Non-working recall phone number; Vehicle repurchase delayed due to dealership paperwork issues
Codes mentioned: 06V417000
Repairs/costs cited: Recall 06V417000 required document submission and vehicle exchange or repurchase; dealers had difficulty processing; one owner reported dealership did not follow through on paperwork and provided false information to GM
Recalls/TSBs owners mention: Recall 06V417000 issued for potential airbag malfunction with aftermarket leather seats; GM directed owners to submit documentation and take vehicle to dealer; vehicle repurchase option offered but implementation problematic
Synthesized from 67 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 2005 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 2005 Chevrolet Trailblazer?
It's a serious issue. 67 complaints have been filed, including 42 reports involving a crash and 1 fatality(ies). We've classified it as critical based on NHTSA's reported outcomes.
At what mileage does the airbags typically fail?
Across the 52 complaints that reported odometer mileage, most airbags failures cluster between 44,000 and 132,000 miles, with the median around 94,000. A quarter of owners report trouble before 44,000; a quarter make it past 132,000. 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/2005/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.