2020 Chevrolet Blazer Problems, Recalls & Reliability
351 owner complaints sit in the federal file for the 2020 Chevrolet Blazer, alongside 3 recall campaigns and 0 defect investigations. It scores 16/100 on the trouble index — one of this model's quieter years. Electrical leads the reports.
One of the quieter years. Relative to its siblings, the 2020 Chevrolet Blazer has drawn well-below-average complaint volume with at least four years on the road.
Better year
Where 2020 sits among all Blazer years
What owners report
“COMMON ISSUE, The steering assist is reduced and temp gauge is stuck on C. This either a thermostat or temp sensor issue.”— owner report to NHTSA, 2020 Blazer
“When car is parked and shifted to Park massage is sent put car in Park.was a shifter problem dealer fix for 463.00.58000 mi. 2020 Blazer”— owner report to NHTSA, 2020 Blazer
“Engine light on, power steering assist, air conditioning stop working diagnostic tool read p0128 coolant thermostat”— owner report to NHTSA, 2020 Blazer
“When you shift to park it tells you shift to park and you can't turn the car off.”— owner report to NHTSA, 2020 Blazer
“Message pops up saying steering assist is reduced please drive with care. Then the car fan runs all the time on high and the cars temp gauge is running all the way on cool.”— owner report to NHTSA, 2020 Blazer
Mileage when trouble shows up
Among the 45 reports that include an odometer reading, problems most often appear around 50,000 miles. Half of those reports fall between 8,665 and 72,000 miles — a useful range to weigh against the mileage of the exact car you're looking at.
Recalls (3)
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…
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,…
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…
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…
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…
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,…
Technical service bulletins
853 manufacturer communications — service bulletins, the biggest share on engine and electrical — are on file for the 2020 Chevrolet Blazer. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
See the 2020 Blazer TSB list →
Complaint history for this model year
When owners filed their reports — a long tail means problems kept surfacing for years.
Questions buyers ask
Is the 2020 Chevrolet Blazer reliable?
The 2020 Chevrolet Blazer drew 351 complaints in federal safety records — one of this model's quieter years. Its trouble index is 16/100, scored against the model's worst year (1995).
What are the most common 2020 Chevrolet Blazer problems?
The top reported problems for the 2020 Chevrolet Blazer are electrical (72 complaints), transmission & drivetrain (71), and engine (70).
At what mileage do 2020 Chevrolet Blazer problems show up?
Owners most often report 2020 Chevrolet Blazer problems around 50,000 miles. Half of all reports that include an odometer reading fall between 8,665 and 72,000 miles.
Does the 2020 Chevrolet Blazer have recalls?
3 recall campaigns apply to the 2020 Chevrolet Blazer. Recall repairs are free at any franchised dealer.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.