How common are electrical problems in the 2021 Chevrolet Trailblazer?

NHTSA has 42 electrical system complaints for the 2021 Trailblazer, which is 22% of the 193 total complaints filed for that model year.

Is there a recall for the 2021 Chevrolet Trailblazer electrical system?

No related recalls are listed in NHTSA data for this electrical system category.

At what mileage do electrical issues typically show up?

The median mileage at failure reported to NHTSA for this issue area is 5,000 miles.

What kind of electrical failures do owners describe?

Owners describe speaker crackling, infotainment screens going black, backup camera loss, doors failing to unlock, keyless ignition problems, and a 'Shift to Park' message that won't clear.

Have electrical problems led to crashes or fires?

NHTSA data tied to this area for the 2021 Trailblazer includes 1 crash and 1 fire among the reported complaints, with 0 injuries.

2021 Chevrolet Trailblazer Electrical System Problems

NHTSA lists 42 electrical system complaints for the 2021 Chevrolet Trailblazer, 22% of its 193 total complaints for the year. Median mileage at failure is 5,000 miles. No related recalls are listed for this area.

Electrical System complaints: 42; 22% of 193
Crashes reported: 1
Fires reported: 1
Injuries reported: 0
Median mileage: 5,000 mi
Related recalls: 0

Typical electrical symptoms owners report

Speakers crackle or pop, often right after releasing the brake pedal or closing the trunk, with no warning light shown.
Infotainment screen glitches or goes black, sometimes taking the backup camera, radio, turn-signal chime, and Carplay connection with it.
Owners report doors that won't unlock, a keyless ignition button that needs extra pressure to shut off the vehicle, and Auto-Stop failing to work correctly.
A popping sound has preceded reports of power steering and brake failure, with the brake pedal becoming overly sensitive and causing abrupt stops.
A 'Shift to Park' warning appears even when the vehicle is already in park, preventing the driver from turning it off without repeatedly forcing the gear selector.
One owner reported all electronics going dead intermittently, coinciding with water leaking under the driver's seat.

When 2021 Chevrolet Trailblazer electrical complaints were filed

First complaint Sep 13, 2020, latest Sep 7, 2026.

42 complaints filed with NHTSA from Sep 2020 to Sep 2026; peak Nov 2024 (3).

Electrical System recalls for the 2021 Chevrolet Trailblazer

No safety recalls on record for this model year.

Electrical System complaints by Trailblazer model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

20140 (0%)
202142 (22%)
202230 (27%)
202315 (22%)
202412 (36%)
202513 (59%)

Frequently asked questions

How common are electrical problems in the 2021 Chevrolet Trailblazer?: NHTSA has 42 electrical system complaints for the 2021 Trailblazer, which is 22% of the 193 total complaints filed for that model year.
Is there a recall for the 2021 Chevrolet Trailblazer electrical system?: No related recalls are listed in NHTSA data for this electrical system category.
At what mileage do electrical issues typically show up?: The median mileage at failure reported to NHTSA for this issue area is 5,000 miles.
What kind of electrical failures do owners describe?: Owners describe speaker crackling, infotainment screens going black, backup camera loss, doors failing to unlock, keyless ignition problems, and a 'Shift to Park' message that won't clear.
Have electrical problems led to crashes or fires?: NHTSA data tied to this area for the 2021 Trailblazer includes 1 crash and 1 fire among the reported complaints, with 0 injuries.