2020 Chevrolet Blazer · symptom sheet
Infotainment, screen or backup camera fails
- 29owner reports
- 40,000median miles
- 0involved a crash
Newest report Sep 11, 2026 · checked Oct 2, 2026
116 of the 219 complaints on this car are about the electrical system. 29 of those describe infotainment.
Tick what matches of 29 reports
Infotainment on other Blazer years
No other Blazer model year has enough reports of infotainment for a sheet of its own. See every Blazer year.
What this problem usually is
Screen complaints read like a list of small betrayals. The display goes black or freezes, the backup camera shows nothing when you shift into reverse, CarPlay or Android Auto keeps dropping, or the radio changes volume on its own. Many owners had a software update that didn't fix it. A narrower sheet covers backup camera failures on their own, and another covers screens that freeze.
What got replaced
Owners who name the part that was replaced mention the head unit or screen (9 reports) and the camera (5 reports).
Recalls and investigations
No recall on the electrical system covers the 2020 model year as of Oct 2, 2026.
NHTSA investigations into the electrical system on the Blazer
Windshield wiper failure. Closed jul 23, 2003, led to recall 03V-159.
Windshield wiper failure. Closed jul 2, 1998, led to recall 98V-150.
Windshield wiper. Closed oct 23, 1997.
Fire in dash/instrum.clstr. Closed sep 14, 1994.
Elect. failures/fires. Closed jul 16, 1987.
None of these investigations covers the 2020 model year.
When it happens
The middle half of failures fell between 38,000 and 75,000 miles, from the 8 reports that gave a mileage.
Is this a known problem?
The manufacturer has sent NHTSA 16 service bulletins or notices for the 2020 Chevrolet Blazer that deal with this problem. Newest first.
Federal rules make a manufacturer send NHTSA a copy of any notice about a defect that goes to more than one dealer or owner. Most of these are service bulletins, the repair instructions manufacturers send to dealers. NHTSA generally leaves safety recall bulletins out of this file, and recalls are listed separately.
This Preliminary information communicates A vehicle may be encountered with door chimes, dome lamps, mirrors inop or a radio that will not shut off when the door is opened. The tech is directed to inspect X500 and X600 for water intrusion.
This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D.
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues.
This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues - DTCs B395A, B395B, B395C, B101E, B101D.
12 more on the 2020 Chevrolet Blazer page.
What owners wrote
“Car is in park but the car alerts that it is not in park ( causing radio and light s to stay on ) - happens continually and from what I have heard from other people and mechanics - this is a known issue with Chevy”
Filed Aug 27, 2026
“After the vehicle has been put into parked and attempted to shut off, a message displays âAction Required Shift To Parkâ. Although the vehicle is in parked there is some kind of sensor that is not reading it is in park. Vehicle first started doing this when parked on an incline but frequently happens since the first occurrence. One temporary solution is to shift into different gear or shake the gear shift.”
Filed Sep 24, 2025
“My vehicle has been throwing an error code related to the thermostat. The temperature gauge will remain on C resulting in the fan running loudly, the air conditioner not cooling the cabin of the vehicle well, and a message displaying "steering assist is reduced drive with care". When I check the fluid levels everything is fine without issue. I'm VERY frustrated and want to get rid of my Blazer ASAP.”
Filed Jun 16, 2025
“The backup camera in my preowned 2020 Chevy Blazer RS stopped operating within 7 months of purchasing Jan 13, 2024. It was replaced by local dealership. However, less than two weeks, it stopped working again. It's a safety feature that's not operational concerned may lead to accident. I did some research online where other owners have experienced the same problem.”
Filed Aug 5, 2024
Should you keep driving it?
This page can't tell you that. 0 of 29 reports involved a crash. Owners who file are the ones who had a bad experience, and nobody checks their reports. If the problem affects steering, braking, power or a fire risk, treat it as a safety fault and have it inspected before a long or high-speed drive.
File your own report with NHTSA. Complaint counts are how a problem gets an investigation. How reports land on this sheet.
Guide Taking it to a shop? How to describe this problem so it gets found
Other problems on this car
- Engine overheats or leaks coolant 48 reports
- A/C blows warm or the compressor fails 43 reports
- Power steering cuts out or goes heavy 35 reports
- Check engine light or misfire 35 reports
- "Shift to Park" or "Service Shifter" warning comes on 30 reports