2005 Chevrolet Trailblazer 360: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"RECENTLY, THE GAS GAUGE IN MY VEHICLE HAS STOPPED WORKING CORRECTLY. IT NO LONGER ACCURATELY REPORTS HOW MUCH FUEL I HAVE. IN RESEARCHING THE ISSUE, I HAVE DISCOVERED THAT THIS IS A VERY COMMON PROBLEM WITH THIS TYPE OF VEHICLE (2005 CHEVROLET TRAILBLAZER). ALTHOUGH NOTHING HAS HAPPENED TO ME PERS..."
"HVAC BLOWER STOPPED WORKING ON HI SPEED. VEHICLE INTERIOR LIGHTS DIMMED FOR ABOUT 1 SEC CORRESPONDING TO THE INSTRUMENT PANEL VOLTMETER FALLING TO THE LOW END OF NORMAL. THE INTERIOR LIGHTS RETURNED TO NORMAL BRIGHTNESS AND THE VOLTMETER RETURNED TO ITS NORMAL POSITION WITH ENGINE RUNNING-A LITTLE..."
"2005 CHEVY TRAILBLAZER. FUEL GAUGE SENDING UNIT IS WORKING SOME TIMES AND OTHER TIMES IT DOESN'T. AFTER ABOUT 60000 MILES IT WOULDN'T WORK RIGHT, OF COURSE DEALERSHIP WANTED TO FIX RIGHT AWAY FOR ABOUT 600.00 DOLLARS. MY SONS GIRL FRIEND HAS A 2003 TRAILBLAZER WITH THE SAME PROBLEM. WHAT IS GOING ON..."
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Chevrolet Trailblazer 360 — Other Years
See how this model compares across different model years.
Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.
Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.
Data through: 2026-03-28
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