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The 2020 Blazer is less reliable than other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2020 Chevrolet Blazer owners. The owner comments describe problems respondents experienced with this vehicle.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"replaced temperature sensor"
Anonymous, MI (2020 Chevrolet Blazer L 3.6-L V6)"The transmission shifts unexpectantly. There is engine knocking and pinging. There is vibration when the vehicle shifts to V4 economy mode."
Anonymous A., MD (2020 Chevrolet Blazer Cloth 2.5-L 4 Cyl)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
"CarPlay connection fails"
Anonymous A., CA (2020 Chevrolet Blazer RS 3.6-L V6)"Display screen will go blank randomly."
Anonymous A., CA (2020 Chevrolet Blazer RS 3.6-L V6)Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
"When putting car in park .. it shows. Shift to park display. And car will not shut off. Dealer has not fixed. Said they dont see problem since it is not constant"
Anonymous, OH (2020 Chevrolet Blazer RS 3.6-L V6)"Have intermittent problems where I will attempt to take off from a dead stop and transmission will fail to engage or will do so roughly after a delay."
Anonymous, LA (2020 Chevrolet Blazer L 3.6-L V6)Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
"We have two Chevrolet vehicles and both have a "Shift to Park" error that will not let you turn the car off until this error goes away but it does not go away, so you have to keep turning the car on and off repeatedly"
Anonymous, NY (2020 Chevrolet Blazer Leather 3.6-L V6)Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
"Fuel pump control module failed and left me on the side of the road."
Anonymous, LA (2020 Chevrolet Blazer L 3.6-L V6)Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.
"Something to do with the thermostat when starting on really cold days. (Not the thermostat that controls the internal "cabin" temp though.)"
Anonymous, IL (2020 Chevrolet Blazer Premier 3.6-L V6)