Chevrolet Trailblazer Structure Problems

Source: NHTSA · Updated Oct 9, 2026 · 196 complaints analyzed

Owners have filed 196 complaints with NHTSA about structure problems on the Chevrolet Trailblazer across 14 model years. The 2003 model year has the most (43). The words owners use most often: “side door” (8% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Side door: mentioned in 15 of 196 complaints (8%)
  • Rear hatch: mentioned in 14 of 196 complaints (7%)

At what mileage do structure problems happen?

Based on 134 complaints that reported the odometer reading.

Under 10k miles17 · 13%
10k–25k miles13 · 10%
25k–50k miles17 · 13%
50k–75k miles19 · 14%
75k–100k miles20 · 15%
100k–150k miles28 · 21%
150k+ miles20 · 15%

How serious are the reports?

Of 196 complaints, 11 mention a crash, 13 a fire, 8 an injury.

Chevrolet Trailblazer structure complaints by model year

Peak: 2003, with 43 complaints
1999: 1199912000: 2200022001: 3200132002: 402002402003: 432003432004: 232004232005: 272005272006: 262006262007: 112007112008: 6200862021: 8202182022: 4202242024: 1202412025: 120251

n = 196 complaints · Source: NHTSA

Model yearStructure complaintsShare of that yearMedian miles
2025 Trailblazer14%—
2024 Trailblazer13%3,000
2022 Trailblazer44%—
2021 Trailblazer84%150
2008 Trailblazer63%45,000
2007 Trailblazer112%68,500
2006 Trailblazer262%63,000
2005 Trailblazer272%100,000
2004 Trailblazer232%98,000
2003 Trailblazer435%61,000
2002 Trailblazer403%80,000
2001 Trailblazer315%50,000
2000 Trailblazer28%24,997
1999 Trailblazer125%—

When owners reported it

Peak: 2013, with 19 complaints
2001: 120012002: 72003: 1320032004: 82005: 1220052006: 72007: 820072008: 112009: 1320092010: 52011: 1120112012: 122013: 192013192014: 132015: 1420152016: 92017: 420172018: 42019: 320192020: 22021: 320212022: 52023: 220232024: 22025: 420252026: 4

n = 196 complaints · Source: NHTSA

Related recalls (1)

Structure:bodyOct 4, 2002 · NHTSA campaign 02V273000 · 46 vehicles

Model years: 2002

Problem: Certain sport utility vehicles are missing welds on the rear floor plan.

Risk: In a crash, missing welds could degrade performance of the third row seat and safety belt anchorage and occupants could receive greater injuries.

Fix: Dealers will inspect the vehicle for missing welds. If missing welds are found, gm will exchange the vehicle for an equivalent vehicle or provide a refund of the purchase price. Owner notification began october 4, 2002. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact chevrolet at 1-800-222-1020 or gmc at 1-800-462-8782.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

I was traveling at high speeds on the freeway amid a strong head wind and noticed that the hood was fluttering and had to pull over concerned about the hood was going to detach and flip up into the windshield upon inspection and research I found that there are Hood bumper adjustments at the forward…

Received Sep 30, 2026 · NHTSA complaint 11768041

The contact owns a 2024 Chevrolet Trailblazer. The contact stated that while the vehicle was parked on several occasions during inclement weather, water leaked into the vehicle from the bottom of each door and the rear hatch. The vehicle was taken to a dealer, where it was diagnosed that the drains…

Received Sep 16, 2026 · NHTSA complaint 11764734

The contact owns a 2005 Chevrolet Trailblazer. The contact stated that while driving at an undisclosed speed, the brakes failed to operate as needed and the vehicle nearly crashed. Additionally, the contact reported that the rear of the vehicle lifted significantly and made a popping sound while…

Received Apr 8, 2026 · NHTSA complaint 11730050

The exhaust system and muffler fell off the bottom of my vehicle. The bolts holding the exhaust together failed and broke which led to this. This is a common failure with the newer trailblazer that GM is failing to acknowledge. There have been multiple reports of this. I had my vehicle inspected by…

Received Mar 9, 2026 · NHTSA complaint 11723133

The contact owns a 2006 Chevrolet Trailblazer. The contact stated that while having a routine oil change by an independent mechanic, the contact was informed that the frame was rust on the vehicle was rusted. The local dealer was contacted, but the vehicle was not diagnosed or repaired. The…

Received Nov 5, 2025 · NHTSA complaint 11697682
Chevrolet Trailblazer
2002-2005 Chevrolet TrailBlazer photographed in Marshall Hall, Maryland , USA.. Representative photo; appearance varies by model year. Photo: IFCAR, Public domain, via Wikimedia Commons.

Frequently asked questions

Do all Chevrolet Trailblazers have structure problems?

No. NHTSA has 196 owner complaints about structure for the Chevrolet Trailblazer. Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the Chevrolet Trailblazer structure?

Yes: 1 safety recall list structure. Check your VIN on NHTSA.gov to see whether the fix was done on your car.

What do owners say about structure problems on the Chevrolet Trailblazer?

The most frequent phrase is “side door”, in 15 of 196 complaints, followed by “rear hatch” (14).

Other Chevrolet Trailblazer problems

See all Chevrolet Trailblazer problems.