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 GMC Envoy airbags problems
critical 23 complaints filed with NHTSA · avg repair $1,100 · see airbags across all vehicles →
Failure mileage
Complaints
23
Recalls
0
Avg fix
$1,100
13crashes
19injuries
1fatality
What stands out
Of the 4 model years of GMC Envoy we track for airbags problems, this one carries the most owner complaints on file — 23.
No new NHTSA airbags complaint has been filed on this vehicle in over 4 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.
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
The 2005 Envoy airbag system is unreliable in both directions. Owners describe frontal airbags that fail to deploy during head-on collisions and side impacts—one passenger ended up wheelchair-bound after a head-on crash, another sustained hearing loss and vision problems after hitting a tree at 55 mph with no deployment. Multiple cases show no warning lights before failure, and in one instance a diagnostic email confirmed the vehicle was operating normally before the crash that exposed the airbag failure.
Equally troubling are spontaneous deployments with no accident. Owners report airbags firing at a pothole, while braking normally, or on a straight road with no impact—sometimes knocking drivers unconscious, rupturing seatbelts, or injuring passengers. In one case, curtain airbags deployed while the driver was making a left turn after a complete stop, frightening the owner's wife badly enough that she bumped the curb. GM investigated some complaints but declared findings confidential and refused repairs.
Seatbelt and sensor issues accompany these failures. Some owners report seatbelts sticking or coming loose during deployment; one discovered the driver's seat position sensor and passenger airbag sensor both faulted. The electrical instability extends to instrument clusters (speed needle stuck, fuel gauge problems) and even engine stalling in some cases, suggesting deeper wiring or control module trouble.
Failure modes owners describe
Airbags fail to deploy in frontal collisions
Multiple owners report frontal airbags not deploying during head-on or front-end crashes, despite impact severity warranting deployment. Owners sustained injuries ranging from facial/head trauma to severe orthopedic injuries. One case involved a front-seat passenger with fractured knee cap, ankle damage, and ligament injury requiring 6 days hospitalization and 11 days rehabilitation. Another owner hit a tree at 55 mph with no airbag deployment and vehicle destruction. A third involved a drunk-driver front collision at unspecified speed with passenger severely injured (wheelchair-bound, awaiting knee replacement). A fourth involved a head-on collision at 35 mph into a tree with no deployment. A fifth involved a 40 mph vehicle-to-vehicle frontal impact with no deployment. A sixth involved a side-impact with head strike to steering wheel. A seventh involved a head-strike to dashboard in a side-impact. Diagnostic email prior to one collision indicated vehicle was operating normally, yet airbags still failed.
When: At collision impact; mileages range from 25,000 to 270,000 miles
Symptoms owners cite: No airbag deployment during frontal crash; No airbag deployment during head-on collision; No airbag deployment despite vehicle total loss; No airbag deployment with severe passenger injury; Vehicle passed diagnostic check prior to failure
Recalls/TSBs owners mention: One case received investigator visit for diagnostic; dealer stated findings were confidential and vehicle would not be repaired. Another case: manufacturer provided no assistance despite being made aware. Another case: dealer could not diagnose failure and vehicle was not repaired.
Airbags deploy without collision or warning
Multiple owners report airbags deploying spontaneously during normal driving with no accident, no impact, no warning lights, and no apparent trigger. One deployment occurred while proceeding to take a left turn after stopping at intersection; owner's wife suffered minor head injury and scare, vehicle bumped curb. Another occurred while driver hit brakes at 45 mph with no collision; side airbags deployed and knocked driver unconscious; friend had to use emergency brake to stop. Owner sustained head abrasions, hearing loss in left ear, vision problems in left eye; roof lining fell. A third involved hitting a small pothole at 45 mph on highway; both side airbags deployed with no accident or vehicle/wheel damage. Front seatbelts also stuck. A fourth involved airbag deployment at 30 mph during normal driving with no braking, no potholes, no objects hit; warning light illuminated after deployment. A fifth involved side airbags deploying while driving down street with no bumps or potholes. One owner reports passenger hit breaking glasses when seatbelt came loose during deployment; headliner torn.
When: During normal highway and street driving; mileages range from unspecified to 82,000 miles
Symptoms owners cite: Spontaneous airbag deployment with no collision; Spontaneous deployment with no warning light prior; Deployment triggered by minor road imperfection (pothole); Deployment triggered by braking action; Deployment with no impact, no swerving, no emergency maneuver; Associated seatbelt malfunction (sticking, coming loose); Roof lining/headliner damage from deployment; Driver loss of consciousness from impact; Passenger injury from seatbelt during deployment
Repairs/costs cited: One case: dealer could not diagnose failure; manufacturer investigator unable to replicate failure.
Recalls/TSBs owners mention: One case: manufacturer investigator unable to replicate; vehicle not repaired. One case: GM investigation lasted 2 months, findings declared confidential, vehicle not repaired.
Airbag warning light illumination with sensor fault
Owner reported airbag warning light illuminated on dashboard. Dealer diagnosis indicated passenger-side airbag sensor and driver's seat position sensor required replacement. Vehicle was not repaired by owner.
When: At approximately 100,000 miles
Symptoms owners cite: Airbag warning light illuminated; Passenger-side airbag sensor fault; Driver's seat position sensor fault
Repairs/costs cited: Dealer recommended replacement of passenger-side airbag sensor and driver's seat position sensor; repair not completed by owner.
Unrelated electrical/instrument panel issues reported concurrently with airbag complaints
One owner reported speed control needle stuck between 60–120 mph on one date, then stuck at 120 mph thereafter with multiple dealership visits for panel control/airbag problems remaining unresolved. Separate complaint mentions stalling in intersection with fuel gauge, speed odometer, and airbag system defaulting issues. These appear to indicate broader electrical/sensor system instability.
When: At 65,000 miles for speed control issue; timing unspecified for stalling/gauge issues
Symptoms owners cite: Speed control needle stuck; Speed needle does not return to zero; Engine stalling in intersection; Fuel gauge malfunction; Speed odometer malfunction; Airbag system defaulting; Front-end shaking while driving
Repairs/costs cited: Multiple dealership visits for panel control (airbag) problems; extended warranty expired before resolution.
Synthesized from 23 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
I purchased my envoy from a used car lot with no warning lights and no apparent safety concerns about 2 yrs ago other then what appeared to be a replaced front bumper cover and the vehicle was repainted the same color white, since then the brakes have intermittently not disengaged on one side or the other I believe it's the front brakes and seems to be worse after a longer drives and after…
Had airbags trouble with your 2005 GMC Envoy?
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 GMC Envoy?
It's a serious issue. 23 complaints have been filed, including 13 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 15 complaints that reported odometer mileage, most airbags failures cluster between 29,000 and 117,278 miles, with the median around 98,000. A quarter of owners report trouble before 29,000; a quarter make it past 117,278. 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/GMC/Envoy.
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.