2021 GMC Sierra 3500 Back-over prevention (rear camera) Problems
- Complaints
- 1about this part
- Share
- 5%of 20 total for the year
- Median mileage
- 70,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the back-over prevention of the 2021 GMC Sierra 3500, 5% of the 20 complaints for this model year. Where a mileage was given, the median is 70,000 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 GMC Sierra 3500. The contact stated that while reversing, the back over prevention camera screen displayed an image of the ground. The contact stated that the image was approximately ten feet behind the vehicle. The vehicle was taken to the dealer; however, the failure was not duplicated. The dealer replaced the back over prevention camera system, however, the failure reoccurred. The contact stated that the original back over prevention camera was installed in another vehicle, and the back over prevention camera system worked as designed. …”
NHTSA complaint #11680762, filed 2025-08, 70,000 milesRelated service bulletins
- 11014579Feb 19, 2025This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.
- 11011687Dec 4, 2024This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to…
Back-over prevention (rear camera): other model years
Other parts of the 2021 GMC Sierra 3500
7 complaintsBrakes
5 complaintsElectrical system
4 complaintsEngine
3 complaintsOther or unknown
3 complaintsFuel system
2 complaintsBody and structure
1 complaintsTires
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2021 GMC Sierra 3500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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