2019 Chevrolet Blazer Problems: 3 Known Issues
2019 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated October 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Chevrolet Blazer has 3 documented known issues. None of the listed issues is rated critical; this is not a complete reliability assessment. Across all issues with published estimates, repair costs range from $200 to $4,000. DIY maintenance guides at au7o.io.
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All 3 Known Issues
NHTSA Recalls6 recalls
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.
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.
STRUCTURE:BODY:DOOR
General Motors, LLC (GM) is recalling certain 2024 Chevrolet Blazer, Blazer EV, Equinox, and GMC Terrain vehicles. The door strikers may fracture, resulting in the door opening unexpectedly.
LATCHES/LOCKS/LINKAGES:DOORS:LATCH
General Motors, LLC (GM) is recalling certain 2025 Chevrolet Blazer, Blazer EV, and Equinox vehicles. The door strikers were not properly heat-treated, which can cause them to break.
SEAT BELTS
General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.
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Frequently Asked Questions
What are the most common Chevrolet Blazer problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Chevrolet Blazer has 3 documented issues. The most frequently reported are: 9-Speed Automatic Transmission Shudder, Auto Start-Stop Battery Degradation and System Faults, Infotainment System Freezing and Lag. None are rated critical, but regular maintenance is recommended.
Is the Chevrolet Blazer reliable?
The 2019 Chevrolet Blazer has 3 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. None of the matching records is rated critical; this is not a complete reliability assessment. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Chevrolet Blazer problems?
Repair costs for known Chevrolet Blazer issues range from $0 to $4,000, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2019-2024 Chevrolet Blazer 9-Speed Automatic Transmission Shudder?
The 2019+ Blazer with the 3.6L V6 (LGX) and 9-speed automatic transmission (9T65, RPO M3V) develops a torque converter clutch (TCC) shudder at low speeds (40 mph and below), typically when the TCC re-applies after a shift. GM bulletin PIP5608J addresses TCC shudder/surge issues;… Repairs typically run $200-$4,000. Severity: medium.
What is the 2019-2025 Chevrolet Blazer Auto Start-Stop Battery Degradation and System Faults?
The AGM battery required for the auto start-stop system degrades prematurely, often failing within 2-3 years. When the battery weakens, the start-stop system disables itself and various electrical warnings appear. The stop/start DC/DC converter (T19 power supply transformer) on 2… Repairs typically run $200-$400. Severity: low.
What is the 2019-2022 Chevrolet Blazer Infotainment System Freezing and Lag?
The 2019+ Blazer infotainment system (Chevrolet Infotainment 3) suffers from screen lockups, lag, and unresponsive touch input. The screen can freeze on the backup camera view or refuse button and touch input. GM bulletin 18-NA-376 attributes the rear-camera image freezing to sof… Repairs typically run $0-$1,000. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.