2005 Chevrolet Trailblazer EXT 370

○ Not enough data
2005 Chevrolet Trailblazer EXT 370
BUILT 2026-10-10

Not enough comparison years on file yet for a fair verdict.

This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.

Complaints
237
Recalls
0

None on file

Investigations
2

Opened by NHTSA

Top problem
Electrical system

43% of complaints

Complaints per year

2002: 6 complaints 2002 2003: 14 complaints 2003 2004: 15 complaints 2004 2005: 237 complaints 2005 237 2006: 16 complaints 2006
2002: 6 complaints 2002 2003: 14 complaints 2003 2004: 15 complaints 2004 2005: 237 complaints 2005 237 2006: 16 complaints 2006
2002: 6 complaints 2002 2003: 14 complaints 2003 2004: 15 complaints 2004 2005: 237 complaints 2005 237 2006: 16 complaints 2006

2005: 237 complaints

View as data table
YearComplaints
20026
200314
200415
2005237
200616

Known problem areas

Percentages can add to more than 100% — a complaint can name more than one system.

Electrical system

43% · 103 reports

Most commonly citing instrument cluster/panel and wiring.

CRASHFIRE
Show complaint excerpts

I have 2005 Chevrolet trailblazer 4WD ext ls 4.2 liter. I noticed over past 3 years that I be at drive through for burgers and etc. The car would cut off. I did not think much of it at the time. It has gotten critically worse.

NHTSA ODI report, 2018-06-08

Also filed under Exterior lighting and steering

Fuel system, gasoline

29% · 68 reports

Most commonly citing fuel pump.

CRASHINJURY

Fuel system, other

7% · 16 reports

Most commonly citing fuel gauge system.

Exterior lighting

7% · 16 reports

Most commonly citing brake lights and tail lights.

Fuel/propulsion system

5% · 11 reports

Safety timeline

No recalls on file for this model year.

0 recalls · 2 investigations · oldest first

To check one car, enter its VIN on the NHTSA recall page. Check a VIN →

  1. I
    2010-01-07Defect petitionClosed 2011-05-23 Fuel Level Gauge System Failure
  2. I
    2011-04-25Preliminary evaluationClosed 2011-09-23 Fuel level gauge system failure

Buy-smart checklist

2005 Chevrolet Trailblazer EXT 370 — pre-purchase inspection

Inspect

  • Electrical system: 103 reports on file for this year.
  • Fuel system, gasoline: 68 reports on file for this year.
  • Fuel system, other: 16 reports on file for this year.

FAQ

Is the 2005 Chevrolet Trailblazer EXT 370 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2005 Chevrolet Trailblazer EXT 370?
The most-reported component is electrical system, accounting for 43% of complaints on file.
How many recalls does the 2005 Chevrolet Trailblazer EXT 370 have?
No recalls are on file for this model year.

Data updated 2026-10-09 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.