2003 Chevrolet Trailblazer Ext electrical system problems
The 2003 Chevrolet Trailblazer Ext has 80 electrical system complaints filed with NHTSA — 20% of the year's total, and up sharply from the prior model year.
80
Electrical System complaints
20%
Share of year
2
Crash-involved
0
Related recalls
Electrical System complaints by year
What owners report
“DRIVING AT 40MPH AND THE TRUCK WENT UP IN FLAMES TRUCK SHOWED NO WARNING EVEN DROVE IT APP. 300YARDS TO PULL OVER STILL RAN WITH FLAMES AS HIGH AS 6 FT NO DUMMY LIGHTS CAME FIRE WAS UNDER THE TRUCK WHILE DRIVING WAS WARNED BY ANOTHER DRIVING HEADING TOWARDS ME TRUCK HAD 85130 MILES ON IT NEVER HAD…”
Common questions
How many electrical system complaints does the 2003 Chevrolet Trailblazer Ext have?
NHTSA has 80 complaints about the 2003 Chevrolet Trailblazer Ext electrical system — 20% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.