2006 Chevrolet Trailblazer Power Train Problems

Source: NHTSA · Updated Sep 8, 2026 · 50 complaints analyzed

Owners have filed 50 complaints with NHTSA about power train problems on the 2006 Chevrolet Trailblazer, 5% of all complaints for this model year. Half of the reports with a mileage happened before 70,500 miles. The words owners use most often: “1st 2nd” (10% of reports).

What owners describe

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

  • 1ST 2ND: mentioned in 5 of 50 complaints (10%)

At what mileage do power train problems happen?

Based on 40 complaints that reported the odometer reading.

Under 10k miles5 · 13%
10k–25k miles3 · 8%
25k–50k miles6 · 15%
50k–75k miles6 · 15%
75k–100k miles6 · 15%
100k–150k miles9 · 23%
150k+ miles5 · 13%

How serious are the reports?

Of 50 complaints, 2 a fire.

Chevrolet Trailblazer power train complaints by model year

Peak: 2002, with 310 complaints
1999: 2199922000: 552001: 5200152002: 3103102003: 10320031032004: 62622005: 512005512006: 50502007: 152007152008: 10102009: 1200912014: 112021: 412021412022: 34342023: 102023102024: 772025: 6202562026: 11

n = 714 complaints · Source: NHTSA

Model yearPower Train complaintsShare of that yearMedian miles
2026 Trailblazer19%100
2025 Trailblazer624%700
2024 Trailblazer721%10,000
2023 Trailblazer1014%44,962
2022 Trailblazer3431%43,000
2021 Trailblazer4121%32,000
2014 Trailblazer1100%79,000
2009 Trailblazer14%—
2008 Trailblazer105%47,858
2007 Trailblazer152%65,000
2006 Trailblazer505%70,500
2005 Trailblazer513%77,349
2004 Trailblazer626%58,000
2003 Trailblazer10311%71,770
2002 Trailblazer31027%66,000
2001 Trailblazer525%80,000
2000 Trailblazer519%60,000
1999 Trailblazer250%67,000

When owners reported it

Peak: 2010, with 6 complaints
2007: 4200742008: 222009: 3200932010: 662011: 5201152012: 552013: 4201342014: 552015: 3201532016: 332017: 1201712018: 222020: 5202052021: 112026: 120261

n = 50 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists power train for the 2006 Chevrolet Trailblazer. A pattern of complaints does not always lead to a recall.

What owners report

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

The contact owns a 2006 Chevrolet Trailblazer. The contact stated that while driving, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The vehicle jerked and vibrated abnormally. In addition, the thermostat temperature gauge increased, and the vehicle…

Received Sep 8, 2026 · NHTSA complaint 11762845

Several months ago, I was at a fast food drive up window. I had my drivers side window down while paying for my food and receiving my food. It was down pouring and the inside of my door got pretty wet. I wiped off the rain as best as I could but everything was soaked. The very next day the drivers…

Received Oct 15, 2021 · NHTSA complaint 11436873

When driving you can only go up to 30 miles an hour, and rpms go very high and vehicle does not go anywhere.

Received Nov 16, 2020 · NHTSA complaint 11374888
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 2006 Chevrolet Trailblazers have power train problems?

No. NHTSA has 50 owner complaints about power train for the 2006 Chevrolet Trailblazer (5% of the 1,108 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2006 Chevrolet Trailblazer power train?

No recall currently lists power train for this vehicle.

At what mileage do power train problems start?

The median reported mileage is 70,500 miles: half of the reports with a mileage came before that.

What do owners say about power train problems on the 2006 Chevrolet Trailblazer?

The most frequent phrase is “1st 2nd”, in 5 of 50 complaints.

Other 2006 Chevrolet Trailblazer problems

See all 2006 Chevrolet Trailblazer problems or power train problems across all Trailblazer years.