2021 Chevrolet Blazer Electrical System Problems
NHTSA lists 38 Electrical System complaints for the 2021 Chevrolet Blazer, 29% of its 133 total complaints, with a median mileage at failure of 38,000 miles. No related recall is listed for this issue.
- Electrical System complaints
- 38
- 29% of 133
- Crashes reported
- 0
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- 38,000 mi
- Related recalls
- 0
Typical electrical symptoms owners report
- Instrument cluster and dashboard displays go blank or reboot while driving, briefly removing speed, turn signal, and odometer information.
- Key fob and remote-start systems intermittently fail to detect the key, sometimes triggering error messages or causing the engine to stall while driving.
- Steering assist reduced warnings appear alongside a non-working temperature gauge, sometimes with the cooling fan running for extended periods after shutdown.
- Headlights, all-wheel-drive engagement, and hatch operation behave erratically with no stored diagnostic codes, described by owners as random electrical glitches.
- Keyless entry pads and key fob receivers fail, requiring replacement of fobs or the vehicle's signal receiver.
When 2021 Chevrolet Blazer electrical complaints were filed
First complaint Mar 15, 2021, latest Sep 2, 2026.
Electrical System recalls for the 2021 Chevrolet Blazer
No safety recalls on record for this model year.
Electrical System complaints by Blazer model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many electrical complaints does the 2021 Chevrolet Blazer have?
- NHTSA lists 38 Electrical System complaints for the 2021 Blazer, which is 29% of the 133 total complaints filed for that model year.
- Is there a recall for the 2021 Chevrolet Blazer electrical system?
- No, the data shows no related recalls tied to the Electrical System complaints for the 2021 Blazer.
- At what mileage do electrical problems typically show up on the 2021 Blazer?
- The median mileage at failure for Electrical System complaints on the 2021 Blazer is 38,000 miles.
- Did the electrical issues cause any crashes or fires?
- NHTSA records show 0 crashes and 0 fires linked to the Electrical System complaints for the 2021 Blazer.
- How does the 2021 Blazer compare to other years for electrical complaints?
- The 2021 Blazer's electrical complaints make up 29% of its total complaints, lower than 2020's 35% and 2019's 32%, but higher than 2022 through 2025.