2019–2024 Chevrolet Blazer — common problems & known faults

The modern Blazer is a style-led midsize crossover. It's generally solid with some transmission and electronic complaints.

Compiled & reviewed by the VehicleFaults Research Team · last reviewed July 2026

Known faults to check

TransmissionMedium

9-speed automatic harsh or delayed shifts.

Typically appears
Any
What to inspect
Test-drive through the gears for smoothness.
ElectricalLow

Infotainment reboots and Stop/Start faults.

Typically appears
Any
What to inspect
Test the touchscreen and auto stop/start behaviour.
BrakesMedium

Electronic parking brake and ABS sensor faults.

Typically appears
Any
What to inspect
Check for warning lights and test the parking brake.
HVACMedium

AC compressor and blower issues on some cars.

Typically appears
60,000+ miles
What to inspect
Confirm the AC blows cold and the fan works on all speeds.

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Frequently asked questions

Is the Chevrolet Blazer reliable?

Average — mostly minor electronic and transmission niggles rather than major failures.

Does the Blazer have transmission problems?

Some owners report rough 9-speed shifts; test-drive carefully.

What should I check on a used Blazer?

Transmission feel, infotainment, brakes and AC.

Sources & further reading

Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.