2021 Chevrolet Trailblazer Back-over prevention (rear camera) Problems
- Complaints
- 3about this part
- Share
- 2%of 198 total for the year
- Median mileage
- 32,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the back-over prevention of the 2021 Chevrolet Trailblazer, 2% of the 198 complaints for this model year. Where a mileage was given, the median is 32,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2021 Chevrolet Trailblazer. The contact stated that while operating the vehicle at night, while reversing the vehicle, the back-up camera image became extremely bright creating a visibility hazard for the driver. The contact stated that the display screen was too bright to see images at the rear of the vehicle. Additionally, while driving at an undisclosed speed, there was an extremely loud audible squealing sound inside the cabin of the vehicle. The contact stated that after a while, the vehicle ceased. The cause of the failure was not yet determined. …”
NHTSA complaint #11561456, filed 2023-12, 32,000 miles“Shortage in radio according to Chevrolet's diagnostic. Caused black screen, no back up camera, no beeping when in reverse and coming close to another object, no sound when blinkers or hazard lights are on, no radio, no power to front charger, no ability to use front auxiliary cable. Initially a loud buzzing noise which could not be controlled by the volume dial. Problems began on or around October 7, 2022. Purchase was made September 2020. Vehicle is available for inspection upon request. Problem can be reproduced/is constant. Problem was reproduced by dealer. Vehicle was inspected by dealer. …”
NHTSA complaint #11494703, filed 2022-11Back-over prevention (rear camera): other model years
Other parts of the 2021 Chevrolet Trailblazer
59 complaintsElectrical system
41 complaintsTransmission and drivetrain
41 complaintsEngine
39 complaintsBrakes
32 complaintsFuel system
18 complaintsForward collision avoidance
11 complaintsBody and structure
8 complaintsSteering
6 complaintsVehicle speed control
5 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsAir bags
3 complaints
← All problems reported for the 2021 Chevrolet Trailblazer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology