2020 Chevrolet Blazer recalls, problems & safety ratings
NHTSA lists 3 recalls for the 2020 Chevrolet Blazer and 224 owner complaints. The most-reported problem areas are electrical system (78), power train (75), engine (71). It earned a 5-star overall NHTSA safety rating. EPA-rated fuel economy is 21–23 mpg combined, depending on configuration.
The 2020 has the most owner complaints of any Blazer model year from 2019 to 2025. It has 3 recalls vs. an average of 2.4 per model year.
Recalls 3
Every recall NHTSA lists for the 2020 Chevrolet Blazer. Not every recall applies to every vehicle, so check your VIN. Recall repairs are free at a franchised dealer.
Tires
Problem: General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.
Risk: Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.
Fix: GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of charge. The recall began March 22, 2021. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212329050.
Power train · automatic transmission
Problem: General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.
Risk: Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
Fix: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
Air bags · side/window · curtain · inflator
Problem: General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air bag deployment.
Risk: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Fix: GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is N202305380.
Common problems
From complaints owners filed with NHTSA. Complaints aren't verified, but patterns across hundreds of owners point to known weak spots.
Most-reported problem areas
By the numbers
Recent owner reports
Warning on console “Steering Assist is Reduced Drive with Care” and radiator fan turns on right away at full speed.. this has been reported in similar models and years.. but does not include this particular vehicle year and VIN
2020 Chevy Blazer LT 3.6 L V6 I'm filing this complaint regarding multiple concerning mechanical and safety related issues with my 2020 Chevy Blazer LT that I purchased brand new and currently have 54,224 miles . Without warning, My vehicle developed several problems simultaneously. The check engine light came on, The engine cooling fan started running continuously at high sp…
My 2020 Chevrolet Blazer experienced severe mechanical problems, including stuttering, loss of power, and the engine shutting off unexpectedly while I was driving. The vehicle subsequently would not operate normally. On February 25, 2026, Rick Hendrick Chevrolet Duluth performed a diagnostic inspection and recommended nearly $20,000 in repairs, including transmission-related r…
Safety ratings
2020 Chevrolet Blazer SUV AWD
2020 Chevrolet Blazer SUV FWD
Fuel economy
EPA ratings for common configurations of the 2020 Chevrolet Blazer.
Blazer AWD
Auto 9-spd · 6 cyl · 3.6 L
Regular
Blazer AWD
Auto 9-spd · 4 cyl · 2.0 L · Turbo
Regular
Blazer FWD
Auto 9-spd · 4 cyl · 2.5 L
Regular
Blazer FWD
Auto 9-spd · 6 cyl · 3.6 L
Regular
Other model years
Questions
How many recalls does the 2020 Chevrolet Blazer have?
NHTSA lists 3 recalls for the 2020 Chevrolet Blazer, most recently for tires (02/25/2021). Recall repairs are free at a franchised dealer. Enter your VIN to check whether a recall applies to your vehicle.
What are the most common problems with the 2020 Chevrolet Blazer?
Based on 224 owner complaints filed with NHTSA, the most-reported areas are electrical system (78), power train (75), engine (71).
Is the 2020 Chevrolet Blazer safe?
The 2020 Chevrolet Blazer earned a 5-star overall rating in NHTSA's 5-star safety ratings.
Is the 2020 a good year for the Chevrolet Blazer?
The 2020 has the most owner complaints of any Blazer model year from 2019 to 2025. It has 3 recalls vs. an average of 2.4 per model year.
What gas mileage does the 2020 Chevrolet Blazer get?
EPA ratings for the 2020 Chevrolet Blazer range from 21 to 23 mpg combined, depending on configuration.
Own a 2020 Chevrolet Blazer in South Carolina?
Our mobile mechanics diagnose and fix the problems above at your home, office or fleet lot in Lexington, Columbia and the Midlands, with dealer-grade scan tools.
Related vehicles
Sources: NHTSA recalls, complaints and 5-Star Safety Ratings APIs; EPA fueleconomy.gov. Data retrieved November 2, 2026. NHTSA model names used: BLAZER, Blazer.