2021 Chevrolet Trailblazer electrical system problems
The 2021 Chevrolet Trailblazer has 37 electrical system complaints filed with NHTSA — 14% of the year's total, and up sharply from the prior model year.
37
Electrical System complaints
14%
Share of year
1
Crash-involved
0
Related recalls
Electrical System complaints by year
What owners report
“Was in the middle of a 3 car collision. After about 5 min engine started smoking and a fire started. Fire slowly escalated and fully engulfed the entire car.”
Common questions
How many electrical system complaints does the 2021 Chevrolet Trailblazer have?
NHTSA has 37 complaints about the 2021 Chevrolet Trailblazer electrical system — 14% 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.