Most common 2023 Chevrolet Blazer problems
Share of the 44 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Chevrolet Blazer complaints by model year
Best Blazer years: 2022, 2019, 2021. Years to avoid: 2025, 2024, 1995, 1996, 1997. Compare all years →
2023 Chevrolet Blazer recalls (2)
Power train › Automatic transmission
General Motors, LLC (GM) is recalling certain 2023 Cadillac XT6, GMC Acadia, Chevrolet Blazer, Traverse, and 2022-2023 Cadillac XT5 vehicles. The transmission may have been built with an incorrect sun gear, which can result in the driver-side half-shaft disengaging from the transmission.
Remedy: Dealers will replace the sun gears, free of charge. Owner notification letters were mailed on July 27, 2023. The remedy is expected to become available August 31, 2023.
Power train › Driveline › Driveshaft
General Motors, LLC (GM) is recalling certain 2023 Chevrolet Blazer and Traverse vehicles. The left-side half-shaft assemblies may be missing a retaining ring.
Remedy: Dealers will replace the left-side half-shaft assembly, free of charge. Owner notification letters were mailed February 23, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020.
What 2023 Chevrolet Blazer owners say
Engine & cooling
The contact owns a 2023 Chevrolet Blazer. While the vehicle was at a dealer for routine maintenance, the contact was informed that an unknown fluid was leaking from the radiator. The vehicle was less than one year old, and the radiator was replaced under warranty. Two years and two months later, while at the dealer for a module repair, the contact was informed that a second leak was discovered in the replacement radiator. The contact offered customer assistance toward the cost of a second replacement radiator. Upon investigation, the contact discovered that tabs on the radiator caused the leak. During the second radiator replacement, the contact noted that the tabs were removed, whereas the first two radiators were equipped with tabs. The manufacturer was notified of the failure, and a case was filed. The vehicle was repaired. The failure mileage was approximately 23,000.
The contact owns a 2023 Chevrolet Blazer. The contact stated that while driving 10 MPH and pulling into a parking lot, the sun gear and the drive shaft fractured. The vehicle became inoperable. The vehicle was pushed to a safe place. The check engine warning light illuminated after the failure. The contact associated the failure with NHTSA Campaign Number: 23V172000 (Power Train). The vehicle was towed on a flatbed to the local dealer. The vehicle was not diagnosed or repaired. The dealer provided an estimate for the transmission replacement. The manufacturer was contacted and confirmed that there was no recall coverage on the VIN for the failure. The manufacturer referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 107,000.
Brakes
The contact's father owns a 2013 Chevrolet Blazer. The contact stated that while his father was driving at approximately 40 MPH straight forward, the brake pedal was depressed, and it traveled to the floorboard. Then, the brake pedal was lifted, and the brake pedal traveled a second time to the floorboard. The vehicle did not slow down as intended, and the vehicle crashed into the rear of another vehicle. The air bag did not deploy, and no warning lights illuminated. The contact's father sustained a facial bruise. Medical attention was not needed. A police report was filed. The vehicle was towed to a lot where it was pending an inspection from the insurance company. The manufacturer was not notified of the failure. The failure mileage was 34,000.
2023 Chevrolet Blazer 42334 miles 9/18/2026 Component failed: 2023 Blazer RS eBoost system. Integrated electronic brake booster / master cylinder / brake pedal sensor assembly. Component available for inspection. Same left front corner had frozen caliper FRC13443C at 37,940 miles June 2025 to pass inspection, sold as certified at 38,038 miles. Vehicle currently 42,334 miles. Safety risk: Hard brake pedal, loss of brake assist, increased stopping distance. Same condition reported before front collision August 2025. Left front remains hot. Driver scared to drive. NHTSA EA26006 open for eBoost 2023 Blazer describes same failure - spindle fracture, loss of ABS/stability, 21 crashes. Reproduced/confirmed: Yes. Independent shop A+ Automotive RO 82780 Sept 15 2026 confirmed hard pedal remains after full bleed, measured 8mm front/rear. …
Transmission & drivetrain
The contact owns a 2023 Chevrolet Blazer. The contact stated that while driving 10 MPH and pulling into a parking lot, the sun gear and the drive shaft fractured. The vehicle became inoperable. The vehicle was pushed to a safe place. The check engine warning light illuminated after the failure. The contact associated the failure with NHTSA Campaign Number: 23V172000 (Power Train). The vehicle was towed on a flatbed to the local dealer. The vehicle was not diagnosed or repaired. The dealer provided an estimate for the transmission replacement. The manufacturer was contacted and confirmed that there was no recall coverage on the VIN for the failure. The manufacturer referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 107,000.
The contact owns a 2023 Chevrolet Blazer. The contact stated that while making a left turn, the contact heard an abnormal sound, and the accelerator pedal was depressed but the vehicle failed to accelerate as needed. No warning light was illuminated. The vehicle was towed to the dealer where it was diagnosed that the transmission had slipped into neutral, and the transmission gear box had fractured, and the transmission was unrepairable. The manufacturer was made aware of the failure and informed the contact there was no recall on the VIN. No additional assistance was provided. The failure mileage was approximately 6,500.
2023 Chevrolet Blazer engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 2.0L 4-cyl turbo | 9-speed automatic | FWD | 22 / 29 / 25 |
| 2.0L 4-cyl turbo | 9-speed automatic | AWD | 22 / 27 / 24 |
| 3.6L 6-cyl | 9-speed automatic | FWD | 19 / 27 / 22 |
| 3.6L 6-cyl | 9-speed automatic | AWD | 19 / 26 / 21 |
EPA ratings. Class: Small SUV.
Frequently asked questions
Is the 2023 Chevrolet Blazer a good car?
Based on 44 owner complaints filed with NHTSA, the 2023 Blazer rates average: about as many complaints as a typical year of the Blazer at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2023 Chevrolet Blazer?
The engine & cooling — 14 complaints, 32% of all complaints for this model year, most often about cooling system › fan. Next are the brakes (10) and transmission & drivetrain (10).
How many recalls does the 2023 Chevrolet Blazer have?
There are 2 recalls for the 2023 Chevrolet Blazer, the most recent from March 16, 2023 (automatic transmission). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Chevrolet Blazer?
The best years by complaints, compared at the same age, are 2022, 2019 and 2021. Years to avoid or approach with caution: 2025, 2024, 1995, 1996 and 1997. See the full Chevrolet Blazer years comparison.
At what mileage do 2023 Chevrolet Blazer problems happen?
The median mileage reported in complaints is about 20,000 miles; 80% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.