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Chevrolet Trailblazer 360Model year report

2003 Chevrolet Trailblazer 360 Problems

Complaints
11filed with NHTSA
Median mileage
102,000miles, 9 complaints with mileage
Recalls
0campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

Sources: NHTSA records for the 2003 Chevrolet Trailblazer 360 (complaints, recalls, investigations). Report an error

NHTSA recorded 11 consumer complaints for the 2003 Chevrolet Trailblazer 360. The part named most often is electrical system, with 5 complaints (45% of the total), followed by fuel system (3) and air bags (2). 9 of the complaints include a mileage, and 0% of those were filed for vehicles with under 50,000 miles; the median is 102,000 miles. Of all complaints, 1 involved a crash, 1 a fire, 1 an injury, according to the filers. NHTSA lists 0 recall campaigns and 79 technical service bulletins for this model year. Electrical system complaints overlap with 12 technical service bulletins filed under the same part. Fuel system complaints overlap with 2 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Electrical system: “Shut off vehicle , got out of drivers side. Shut door and as I closed door all my locks on door locked down. My grandaughter was strapped into a car seat in the back seat and we were unable to open doors to get her out. We had to contact police and they were unable to get doors to unlock. The locks would not work the windows would not work , the car was completely locked down . …”

NHTSA complaint #10669523, filed 2015-01, 140,000 miles

Fuel system: “Communicated to GM help center 10/30/2014: my 2003 chevy trail blazer has a strong odor of gas in the rear. The vehicle has only 63,000 miles and has been well maintained. I googled the problem and found it to be a known issue. In part: NHTSA #: pe07014 in june 2007, GM will expand its special policy to address fuel tank inlet check valve (icv) fractures. Will you help me remedy this problem? Short story, they reviewed my description of the problem and ultimately declined any remedy. …”

NHTSA complaint #10651506, filed 2014-10, 63,000 miles

Air bags: “The contact owns a 2003 Chevrolet TRAILBLAZER 360. While driving approximately 45 MPH, the air bag warning indicator illuminated. The failure recurred on one occasion. The vehicle was taken to the dealer where it was diagnosed that the a sir coil needed to be placed behind the steering wheel. The vehicle was repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 58,945.”

NHTSA complaint #10775943, filed 2015-09, 58,945 miles

Mileage when problems were reported

0% of the 9 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 70,000 and 140,000 miles.

0%0–100%10–250%25–5033%50–750%75–10044%100–15022%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (9 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 102,000 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

20072012201320142015420162019
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Recalls and investigations

NHTSA lists no recall campaigns for the 2003 Chevrolet Trailblazer 360 in the data used here. A recall can apply to some vehicles of a model year and not others, so check a specific vehicle by VIN at nhtsa.gov/recalls.

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 79 on record; the latest 10 are shown.

See all 79 bulletins →

Other model years of the Chevrolet Trailblazer 360

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20075047,5000——Not compared (before 2008)Stable
20063495,0000——Not compared (before 2008)Stable
20053189,4840——Not compared (before 2008)Stable
20041179,1970———Not enough data
200311102,0000———Not enough data
20029122,0000———Not enough data

All Chevrolet Trailblazer 360 model years · Best and worst years by complaints

Frequently asked questions

How many NHTSA complaints does the 2003 Chevrolet Trailblazer 360 have?

NHTSA recorded 11 consumer complaints for the 2003 Chevrolet Trailblazer 360 as of Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2003 Chevrolet Trailblazer 360 is reported most often?

Electrical system is named most often, in 5 complaints (45% of the total), followed by fuel system with 3.

Has the 2003 Chevrolet Trailblazer 360 been recalled?

NHTSA lists no recall campaigns for this model year in the data used here. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

At what mileage are problems with the 2003 Chevrolet Trailblazer 360 reported?

Among the 9 complaints that include a mileage, the median is 102,000 miles and the middle half falls between 70,000 and 140,000 miles; 0% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.