2021 Chevrolet Blazer electrical system problems
The 2021 Chevrolet Blazer has 40 electrical system complaints filed with NHTSA — 21% of the year's total, and down from the prior model year.
40
Electrical System complaints
21%
Share of year
0
Crash-involved
0
Related recalls
Electrical System complaints by year
What owners report
“HEADLIGHTS FLASH OR STAY ON EITHER LOW OR HI BEAM,HATCH OPENS ITSELF, AWD POPING, NOISE IN DASH, SHIFTING INTO AWD BY ITSELF, TRANSMISSION NOT SHIFTING CORRECTLY . THERE IS NO PATTERN AND IT THROWS NO CODES. MAJOR ELECTRIC PROBLEMS. THE KEYLESS ENTRY PAD DIDN'T WORK THE DAY I PURCHASED MY CAR. HAD…”
Common questions
How many electrical system complaints does the 2021 Chevrolet Blazer have?
NHTSA has 40 complaints about the 2021 Chevrolet Blazer electrical system — 21% 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.