MYRModel Year Report

2003 Chevrolet Trailblazer EXT 370

○ Not enough data
2003 Chevrolet Trailblazer EXT 370
RENDERED 2026-08-02T09:51:00.060Z

Only 14 complaints on file — too few 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.

Only 14 complaints on file — too few for a fair verdict. The data below is complete but unranked.

How is this computed?

COMPLAINTS PER YEAR

Complaints per year, Chevrolet Trailblazer EXT 370 Bar chart of distinct NHTSA complaints filed per model year, 2003 highlighted. 2002: 6 complaints 2002 2003: 14 complaints 2003 2004: 15 complaints 2004 2005: 237 complaints 2005 2006: 16 complaints 2006
2003: 14 complaints
View as data table
YearComplaints
20026
200314
200415
2005237
200616

KNOWN PROBLEM AREAS

Only 14 complaints on file for this model year -- too few to rank by share. Raw counts only, below.

ELECTRICAL SYSTEM

6 of 14 total reports mention: electrical system.

Show complaint excerpts

THIS HAS BEEN GOING ON FOR THREE YEARS SINCE 2011 AT NIGHT AT RANDOM TIMES OUR LOW BEAM HEADLIGHTS GO OUT ON US AS YOUR DRIVING DOWN THE HIGHWAY. THEY MAY COME BACK ON BEFORE YOU GET HOME BUT WE HAVE DROVE 1HR 30 MINUTES AND STILL NOT.

NHTSA ODI report, 20140903

SPEEDOMETER TACHOMETER AND BATTERY GAUGE DO NOT WORK. *TR

NHTSA ODI report, 20120127

FUEL/PROPULSION SYSTEM

3 of 14 total reports mention: fuel/propulsion system.

EXTERIOR LIGHTING

2 of 14 total reports mention: exterior lighting.

Show complaint excerpts

THIS HAS BEEN GOING ON FOR THREE YEARS SINCE 2011 AT NIGHT AT RANDOM TIMES OUR LOW BEAM HEADLIGHTS GO OUT ON US AS YOUR DRIVING DOWN THE HIGHWAY. THEY MAY COME BACK ON BEFORE YOU GET HOME BUT WE HAVE DROVE 1HR 30 MINUTES AND STILL NOT.

NHTSA ODI report, 20140903

WHEELS

1 of 14 total reports mentions: wheels.

VISIBILITY/WIPER

1 of 14 total reports mentions: visibility/wiper.

SAFETY TIMELINE

No recalls on file for this model year.

I 20070312 — PE (closed 20070710)

FUEL PUMP MODULE LEAKS GASOLINE

I 20070313 — PE (closed 20070612)

FUEL TANK LEAK

I 20070710 — EA (closed 20080828)

FUEL PUMP MODULE LEAKS GASOLINE

BUY-SMART CHECKLIST

2003 Chevrolet Trailblazer EXT 370 — pre-purchase inspection

  • Test/inspect for electrical system issues (6 reports on file for this year).
  • Test/inspect for fuel/propulsion system issues (3 reports on file for this year).
  • Test/inspect for exterior lighting issues (2 reports on file for this year).
Inspected by ______________ Date ______________

FAQ

Is the 2003 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 2003 Chevrolet Trailblazer EXT 370?

The most-reported component is electrical system, accounting for 43% of complaints on file.

How many recalls does the 2003 Chevrolet Trailblazer EXT 370 have?

No recalls are on file for this model year.

Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.