2020 CHEVROLET BLAZER

3 recalls, 351 complaints - 1,017 TSBs - 5/5 safety rating

TIRES

Defect Description

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 Acadia, Sierra 1500, and certain Continental ... Read more

Consequence

Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.

Remedy

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, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac cus... Read more

33,838 vehicles affected

Manufacturer: General Motors, LLC

POWER TRAIN:AUTOMATIC TRANSMISSION

Defect Description

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 Acadia, and 2020 Cadillac XT6 vehicles. Th... Read more

Consequence

Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.

Remedy

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 contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet custom... Read more

194,105 vehicles affected

Manufacturer: General Motors LLC

AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR

Defect Description

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 (RRAB) inflator may not have been properly cr... Read more

Consequence

If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.

Remedy

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, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for ... Read more

769 vehicles affected

Manufacturer: General Motors LLC

Complaint Statistics

351 total complaints 22 crashes 6 fires 13 injuries

Top Reported Components

Component	Complaints
ENGINE	47
POWER TRAIN	43
ELECTRICAL SYSTEM	38
UNKNOWN OR OTHER	38
STEERING	24
SERVICE BRAKES	21
FUEL/PROPULSION SYSTEM	13
STRUCTURE:BODY	13
VEHICLE SPEED CONTROL	11
AIR BAGS	9

Incident date: Apr 7, 2026

Last year I was heading to heading to Detroit in July 2025 when I pushed on the brakes on my 2020 Chevy blazer my brakes were working but the steering wheel was shaking weird like I was hard on the brakes but I was tapping them slowly earlier this year right before I had transmission flush at fox Ch... Read more

Incident date: Apr 7, 2026

Incident date: Jul 8, 2026

I was driving and steering reduced drive with caution notification and brake assist notification came on and then engine light and the temp gage went to cold and stayed there. My steering stiffened up making it hard to steer. This is a known problem with the Chevy blazers and it had to do with the t... Read more

Incident date: Jul 8, 2026

I'm having an issue with the airbag light keep coming on when I drive at times not safe.

Incident date: Jul 8, 2026

Incident date: Mar 2, 2026

The vehicle experiences a constant cooling system failure that appears to be related to the thermostat. Beginning at approximately 40,000 miles, the engine cooling fan started running continuously at high speed whenever the vehicle is operating. At the same time, the air conditioning stopped functio... Read more

Incident date: May 20, 2026

The contact owns a 2020 Chevrolet Blazer. The contact stated that while driving approximately 70 MPH, the message, "Steering Assist Reduced - Drive Carefully” was displayed. The contact stated that the A/C shut off and the windshield defroster failed after the message was displayed. The vehicle wa... Read more

Incident date: May 20, 2026

Incident date: Mar 2, 2026

Incident date: Apr 6, 2026

I am submitting this complaint regarding the transmission in my 2020 Chevrolet Blazer. My vehicle has fewer than 100,000 miles and has experienced significant transmission failure symptoms, including hard shifting, jerking during acceleration, RPM fluctuations, slipping, loss of normal power, and in... Read more

Incident date: Jun 11, 2025

The contact owns a 2020 Chevrolet Blazer. The contact stated that the front passenger’s seat belt buckle was inoperable. The contact buckle was jammed and failed to properly secure the seat belt in place. The contact stated that while driving and stopped at a red light, the traffic light turned gr... Read more

Incident date: Jun 11, 2025

Incident date: Apr 6, 2026

The recall is transmission cable. So my car is a ticking time bomb to fail to go into park, or fail while the car is parked. I need to use e-brake when parking, park on flat surfaces, wheels facing curb. Why do I have to live like that? Guess what i have a 30 degree angle of a driveway, (ill giv... Read more

Incident date: Jun 1, 2026

Following the completion of an official emissions recall software upgrade at Fitzgerald Auto Mall Countryside, Clearwater Florida, my 2017 Hyundai Santa Fe Sport (52,000 miles) now suffers from a severe loss of motive power and erratic transmission shifting/jerking during cold starts throughout day... Read more

Incident date: Apr 6, 2026

The climate control fan knob suddenly stopped working. I smelled a burning smell on the interior of the car. I pulled the panel off and noticed that the plug to the climate control harness was burnt. I can no longer utilize the climate control system.

Incident date: May 29, 2026

Unknown... Car Took off on its own Finally stop Turn car off Would not restart Try again it started Then it not want to move Trying to get it again Damn it car

Crash

Incident date: May 29, 2026

Unknown... Car Took off on its own Finally stop Turn car off Would not restart Try again it started Then it not want to move Trying to get it again Damn it car

Crash

Incident date: May 29, 2026

My breaks do not work in reverse. Pump valve seems to be bad

Incident date: May 29, 2026

My breaks do not work in reverse. Pump valve seems to be bad

Incident date: Apr 30, 2026

FOUND #4 CYLINDER MISFIRE - METAL CONTAMINATION SPUN A BEARING INTERNALLY INSIDE THE ENGINE. RECOMMEND REPLACING THE ENGINE. SEE QUOTES BELOW: RECOMMEND AT THE SAME TIME AS THE ENGINE REPLACEMENT - STARTER, TIMING BELT, SPARK PLUGS, AND VALVE. Found #4 cylinder misfire – metal contamination – sp... Read more

Incident date: May 27, 2026

Bike has been at the dealer for almost 3 weeks now chasing electrical issues. HD corporate techs can’t even understand what’s wrong. The are running another diagnostic test on it today that will cost me another 3.5hr of labor on top of the other diagnostics they’ve already done. Luckily I w... Read more

Incident date: May 27, 2026

The engine has 1205 miles on it and seized up. Autofair hyundia of Manchester denied us. We did get a warning light a couple days before. But to late just the dealer inspected it.

Incident date: Apr 5, 2026

2 recall notices on my 2023 Toyota Tundra has not been repaired yet. 1. Engine recall has not been remedied. 2. back up camera still not repaired. It's been over 6 month's that my truck has been at the dealer since January 2026 and Toyota still has not made any repairs to the recall. Toyota provides... Read more

Incident date: May 26, 2026

This morning, around 9 AM, I was stopped on [XXX] in traffic, just south of [XXX] . [XXX] ) Foot on break, waiting for traffic to start moving. Engine suddenly revved to about 4k RPM. Car started to lurch a bit, I had to put increased pressure on the brake to hold it. I wasn’t sure the b... Read more

Incident date: Apr 5, 2026

The transmission had a lengthy delay shifting into reverse when shifted from park. I removed my foot from the brake and all of a sudden it jumped into reverse and I ended up in the road. Fortunately there were no cars or pedestrians behind me.

Incident date: May 1, 2026

I was driving on a busy highway at a high but legal speed. For a few seconds the vehicle appeared to reset. I lost control and the screen went blank. It was a miracle I did not hit another vehicle. I contacted the dealer and they stated unless it was happening frequently - there is nothing they ... Read more

Incident date: May 1, 2026

P0128CODE P0024 CODE SECOND Cam Shaft sensor failure Thermostat failure, stuck open Electrical issues from low battery power Failure to shift to park when shutting off vehicle

Incident date: May 1, 2026

While driving at low speed performing a turn in a residential area, the vehicle suddenly displayed a “Steering Assist Fault” warning message and the steering wheel became completely locked with essentially no movement possible. I attempted to turn the wheel with extreme force but it would barely... Read more

Incident date: May 1, 2026

P0128 code produced when scanned. Cooling fans on high. No ac. Steering Assist Warning. Had to replace the thermostat. ECM also replaced and caused the tire pressure sensors to fail and had to replace the tire sensors. There is a recall on models 2021 to 2025 but none on the 2020 for the ther... Read more

Incident date: May 1, 2026

The contact owns a 2025 Hyundai Tuscon. The contact stated that while driving at various speeds the vehicle had erroneously stopped in the middle of the road. The contact indicated that the failure had occurred at highway speeds and while driving in a residential neighborhood. The contact indicated ... Read more

Incident date: May 17, 2026

Vehicle: 2020 Chevrolet Blazer Issue: “Shift to Park” malfunction Description: The vehicle repeatedly displays a “Shift to Park” warning message even when the gear selector is fully placed in Park. Because of this issue, the vehicle does not always shut off properly and may continue running... Read more

Incident date: May 17, 2026

I have had a constant squeek with my brakes since the day I got the car.

Incident date: Apr 28, 2026

I was on [XXX] . Going about 55 when I went over a bump in the road and my jeep started shaking out of control going into the other lane almost causing an accident. It a jeep wrangler rubicon 2021 with 23000 miles on it and garage keep. Jeep should stand behind this problem due to the fact it invol... Read more

Incident date: May 10, 2026

I am the original owner of a 2013 Hyundai Sonata (under 90K miles). In April 2026 the engine suddenly locked up without warning. The vehicle was towed to Massey Hyundai (Hagerstown, MD) and a claim was submitted to Hyundai Motor America for an engine replacement under Hyundai’s lifetime engine war... Read more

Incident date: May 10, 2026

I am submitting this complaint regarding Ford Recall 26S28 involving my 2015 Ford F-150. Ford has acknowledged a defect serious enough to issue a formal safety recall; however, there is currently no repair remedy available and no clear timeline for when repairs will be completed. As a result, affect... Read more

Incident date: May 1, 2026

My safety is put at risk. My car has stalled two different times on the highway. I was able to get it off the road after restarting the vehicle and coasting out. The engine was worked out by Kia of Mission Viejo. They stated it was not due to Rod bearing, although I was told on a separate occasion t... Read more

Incident date: May 1, 2026

Incident date: Apr 25, 2025

while braking and coming to a stop the van surges forward (while brakes are being applied). This has nearly caused accidents on 2 occasions, and has happened 2 other times in the past few months

Incident date: Apr 25, 2025

while braking and coming to a stop the van surges forward (while brakes are being applied). This has nearly caused accidents on 2 occasions, and has happened 2 other times in the past few months

Incident date: Apr 7, 2026

Frame flex from broken welds on the pin box to the frame. It’s a very wide know thing across many GD models that used this same frame / pin box. I have pictures showing the angle of the pin box once weights applied, it’s a safety issue and there’s tons of people online having the same issue.

Incident date: Apr 7, 2026

The odometer does not read correctly upon fill up. Typically the fill up states I have 325 miles per tank but I can drive about 100 miles and it still reads 325 miles until empty, after which time the odometer drops extremely fast and isn't consistent with miles driven. Additionally, twice now, whil... Read more

Incident date: Apr 7, 2026

I took my car in for the EVM engine update. Since then whenever it starts it is jumpy. The rpm rev more than they should. It’s very concerning that it will rev and won’t stop and I could possibly hit someone. I took it back to the dealer and they called the timeline and they told them to do anot... Read more

Incident date: Apr 5, 2026

The contact owns a 2024 Toyota Tundra. The contact received notifications of NHTSA Campaign Numbers: 25V322000 (Exterior Lighting) and 25V767000 (Engine and Engine Cooling); however, the parts to do the recall repairs were not yet available. The local dealer was contacted and confirmed that parts we... Read more

Incident date: Apr 15, 2026

RV was purchased. With safety defects. Number one would be the mirrors. On the highway, the glass rattles so much. It impairs your vision severely. On both sides. The other would be the front end. Very bad. Pulls to one side. And if you apply the brakes, it veers to one side very hard. Vehicle has b... Read more

Incident date: Apr 15, 2026

Airbags deployed without impact

Incident date: Apr 15, 2026

I was driving at 60mph. I heard a sudden pop that felt like it came from behind me / under the car. While I glanced to see if I ran over something (I did not), the car suddenly felt like it was about to stall. It was slowing down quickly and dramatically. My safety was in danger as I quickly dropped... Read more

Incident date: Mar 1, 2026

I am reporting a deliberate misrepresentation of vehicle status regarding Recall 292. On April 9, 2026, I brought my vehicle to Bud Clary Auburn Hyundai, for recall services, a safety concern with the 3rd row seat. I was told recall 292 had no remedy. I did not feel comfortable putting my kids back ... Read more

Showing 50 of 351 complaints.

NHTSA Safety Ratings, 2020 CHEVROLET BLAZER

2020 Chevrolet Blazer SUV AWD

Category	Rating
Overall Rating	5 / 5 ★★★★★
Frontal Crash	5 / 5 ★★★★★
Frontal Crash, Driver	5 / 5 ★★★★★
Frontal Crash, Passenger	4 / 5 ★★★★☆
Side Crash	5 / 5 ★★★★★
Side Crash, Driver	5 / 5 ★★★★★
Side Crash, Passenger	5 / 5 ★★★★★
Rollover	4 / 5 ★★★★☆
Rollover Risk	14.7%

Safety Technology

Feature	Status
Electronic Stability Control	Standard
Forward Collision Warning	Optional
Lane Departure Warning	Optional

Source: NHTSA 5-Star Safety Ratings Program. Ratings are based on crash tests conducted by the National Highway Traffic Safety Administration.

Technical Service Bulletins, 2020 CHEVROLET BLAZER

1,017 manufacturer communications from 500 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

Component	Bulletins
350000 EQUIPMENT	189
110000 ELECTRICAL SYSTEM	126
060000 ENGINE AND ENGINE COOLING	115
100000 POWER TRAIN	75
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL	68
060000 ENGINE (PWS)	39
356000 EQUIPMENT ADAPTIVE/MOBILITY	36
200000 WHEELS	32

200000 WHEELS

This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).

350000 EQUIPMENT

This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.

110000 ELECTRICAL SYSTEM

350000 EQUIPMENT

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

110000 ELECTRICAL SYSTEM

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

350000 EQUIPMENT

This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.

200000 WHEELS

This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.

110000 ELECTRICAL SYSTEM

This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

118000 ELECTRICAL SYSTEM:SOFTWARE

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

350000 EQUIPMENT

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

110000 ELECTRICAL SYSTEM

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).

350000 EQUIPMENT

This technical bulletin provides a procedure replace the tappet that is located on the fuel door.

081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

This technical bulletin provides a procedure replace the tappet that is located on the fuel door.

162600 STRUCTURE:BODY:HATCHBACK/LIFTGATE

This Preliminary information communicates information to help diagnose inoperative rear liftgate logo.

060000 ENGINE AND ENGINE COOLING

This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou

350000 EQUIPMENT

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

350000 EQUIPMENT

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

120000 EXTERIOR LIGHTING

This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To cl

070000 FUEL SYSTEM, GASOLINE

060000 ENGINE AND ENGINE COOLING

030000 BRAKES (PWS)

This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.

070000 FUEL SYSTEM, GASOLINE

This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.

980000 UNKNOWN OR OTHER

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

060000 ENGINE AND ENGINE COOLING

This engineering information (EI Lite) is requesting technicians use the FPR App process in regard to finding coolant leaking around the Coolant Control Valve (CCV).

060000 ENGINE AND ENGINE COOLING

This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.

260000 FORWARD COLLISION AVOIDANCE

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".

070000 FUEL SYSTEM, GASOLINE

This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate.

060000 ENGINE AND ENGINE COOLING

This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate.

060000 ENGINE AND ENGINE COOLING

This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

070000 FUEL SYSTEM, GASOLINE

This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

100000 POWER TRAIN

This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle

060000 ENGINE AND ENGINE COOLING

353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

This Preliminary information communicates to dealers of a known issue with failed map update

350000 EQUIPMENT

This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs.

110000 ELECTRICAL SYSTEM

This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs.

350000 EQUIPMENT

This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present o

110000 ELECTRICAL SYSTEM

060000 ENGINE AND ENGINE COOLING

This service bulletin provides Information on Purge Pump Part Replacement and Purge pump Part Number Interchangeability.

162600 STRUCTURE:BODY:HATCHBACK/LIFTGATE

This Preliminary information communicates information to help diagnose inoperative rear liftgate logo.

100000 POWER TRAIN

This service bulletin provides a procedure to correct a customer concern of Shudders or Shakes at Low Speeds.

160000 STRUCTURE

This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

100000 POWER TRAIN

This PI bulletin advises the technician on the proper way to install the pistons in an engine.

060000 ENGINE AND ENGINE COOLING

This PI bulletin advises the technician on the proper way to install the pistons in an engine.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di

120000 EXTERIOR LIGHTING

This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.

060000 ENGINE AND ENGINE COOLING

This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the parts that wouldn't apply to the repair.

110000 ELECTRICAL SYSTEM

This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).

100000 POWER TRAIN

This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.

110000 ELECTRICAL SYSTEM

This Preliminary information communicates information for terminal concerns at X203

121000 EXTERIOR LIGHTING:HEADLIGHTS

This Preliminary information communicates information for Intellibeam headlamp inoperative and to inspect the low speed data line.

120000 EXTERIOR LIGHTING

This Preliminary information communicates information for Intellibeam headlamp inoperative and to inspect the low speed data line.

030000 BRAKES (PWS)

This service bulletin provides a procedure to add deadener to the batter tray bracket to correct customer concerns of a Service Engine Soon (SES), Reduced Power, Service Brake, Reduced Steering and/or Stabilitrak Message Illuminated on DIC,

110000 ELECTRICAL SYSTEM

251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

010000 STEERING

350000 EQUIPMENT

This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking

110220 ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS

This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.

980000 UNKNOWN OR OTHER

This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.

060000 ENGINE AND ENGINE COOLING

This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminateda??.

350000 EQUIPMENT

This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.

060000 ENGINE AND ENGINE COOLING

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

110000 ELECTRICAL SYSTEM

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

350000 EQUIPMENT

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

060000 ENGINE AND ENGINE COOLING

This informational bulletin provides Information on Purge Pump Part Replacement and Purge Part Number Interchange.

060000 ENGINE AND ENGINE COOLING

This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine

060000 ENGINE AND ENGINE COOLING

This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

110000 ELECTRICAL SYSTEM

This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

110000 ELECTRICAL SYSTEM

This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.

100000 POWER TRAIN

This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.

120000 EXTERIOR LIGHTING

This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

350000 EQUIPMENT

This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

020000 SUSPENSION

This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the

260000 FORWARD COLLISION AVOIDANCE

200000 WHEELS

This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

100000 POWER TRAIN

This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

060000 ENGINE AND ENGINE COOLING

This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

020000 SUSPENSION

This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

010000 STEERING

This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

200000 WHEELS

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

110000 ELECTRICAL SYSTEM

350000 EQUIPMENT

280000 BACK OVER PREVENTION

This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the cradle brace and see if the noise is gone. If the noise is g

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.

200000 WHEELS

This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.

060000 ENGINE AND ENGINE COOLING

This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

280000 BACK OVER PREVENTION

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.

200000 WHEELS

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

190000 TIRES

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).

110000 ELECTRICAL SYSTEM

This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).

138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi

Showing 100 of 1,017 bulletins.

NHTSA Safety Investigations, CHEVROLET BLAZER

Investigations opened by NHTSA into potential safety defects. These are separate from recalls and may or may not result in a recall.

RQ, Closed , Model Year: 2000

HAZARD LIGHT SWITCH FAILURE

ON NOVEMBER 30, 2001, GENERAL MOTORS (GM) CONDUCTED SAFETY RECALL 01V-364 FOR THE SUBJECT VEHICLES BUILT BETWEEN SEPTEMBER 16, 1999 AND AUGUST 28, 2001 TO REMEDY A DEFECTIVE HAZARD SWITCH THAT WOULD CAUSE A LOSS OF HAZARD AND STOP LAMP ILLUMINATION.THE HAZARD SWITCH IS CONTAINED WITHIN THE VEHICLE M... Read more

RQ, Closed , Model Year: 1998

FRONT CONTROL ARM BALL JOINTS

SEE ATTACHED PAGE.

EA, Closed , Model Year: 1992

FRONT SEAT RECLINER BOLT

There is no summary currently available

PE, Closed , Model Year: 2000

LOSS OF STOP LAMP ILLUMINATION

EA, Closed , Model Year: 1996

UPPER AND LOWER CONTROL ARM BALL JOINT

There is no summary currently available

RQ, Closed , Model Year: 1992

FRONT SEAT RECLINER BOLT FAILURE

PE, Closed , Model Year: 1995

LOSS OF POWER ASSIST BRAKING

CONSUMERS ALLEGE A PARTIAL LOSS OF BRAKING ABILITY

PE, Closed , Model Year: 1996

UPPER CONTROL ARM BALL JOINT BREAKAGE

AN UPPER CONTROL ARM BALL JOINT FAILS, RESULTING IN THE FRONT SUSPENSION COLLAPSING ON THE FAILED SIDE.

EA, Closed , Model Year: 1995

WINDSHIELD WIPER FAILURE

There is no summary currently available

PE, Closed , Model Year: 1995

WINDSHIELD WIPER

DURING THIS PRELIMINARY EVALUATION, OVER 400 ADDITIONAL COMPLAINTS WERE FURNISHED BY GM.IN ADDITION GM REPORTED OVER 3000 WIPER SYSTEM WARRANTY REPAIRS ON THE SUBJECT VEHICLES.

EA, Closed , Model Year: 1996

STEERING SHAFT SEPARATIONS

COUPLING BOLTS, JOINING THE STEERING SHAFT, MAY SEPARATE.IN SOME CASES, TOTAL UNFORESEEN, LOSS OF STEERING CONTROL MAY RESULT.

EA, Closed , Model Year: 1996

SEAT BELT WEBBING SEPARATION

NHTSA'S NEW CAR ASSESSMENT PROGRAM (NCAP) TESTED A 1997 CHEVROLET S-10 EXTENDED CAB PICKUP EQUIPPED WITH A DRIVER-SIDE AIR BAG.THE FRONT PASSENGER SEAT BELT WAS COMPLETELY CUT DURING THE TEST.

PE, Closed , Model Year: 1994

ALLEGED FAILURE OF REAR LEAF SPRINGS

BREAKAGE OF A LEAF SPRING MAY ALLOW PARTIAL COLLAPSE OF THE REAR SUSPENSION AND INCREASE THE POTENTIAL FOR LOSS OF VEHICLE CONTROL.

EA, Closed , Model Year: 1991

REAR SEAT BELT FAILURE

COMPLAINTS INDICATE THAT THE REAR SEATBELT BUCKLES DO NOT WORK, WHICH PREVENTS USAGE OF THE BELTS.

PE, Closed , Model Year: 1994

BRAKE PEDAL SEPARATION FROM PIVOT ARM

There is no summary currently available

EA, Closed , Model Year: 1991

ABS BRAKING SYSTEM

THIS INVESTIGATION RESULTED IN A SAFETY RECALL, 99V-193, AND A SERVICE CAMPAIGN, 99I-006.

EA, Closed , Model Year: 1989

ENGINE COMPARTMENT FIRES

AN ALLEGED MALFUNCTION IN THE ATLERNATOR RESULTING IN ENGINE COMPARTMET FIRES.

PE, Closed , Model Year: 1989

FIRE IN DASH/INSTRUM.CLSTR

There is no summary currently available

PE, Closed , Model Year: 1991

ABS BRAKING SYSTEM FAILS

There is no summary currently available

DP, Closed , Model Year: 1987

FUEL SYSTEM FIRES

EA, Closed , Model Year: 1989

HIGH IDLE FLARE

There is no summary currently available

PE, Closed , Model Year: 1989

HIGH IDLE FLARE

There is no summary currently available

PE, Closed , Model Year: 1989

HEADLIGHT SWITCH FAILURE

There is no summary currently available

PE, Closed , Model Year: 1988

STEERING DAMPER SEPARATION

There is no summary currently available

EA, Closed , Model Year: 1983

REAR AXLE SHAFT

There is no summary currently available

PE, Closed , Model Year: 1983

REAR AXLE FAILURE

There is no summary currently available

PE, Closed , Model Year: 1983

ELECT. FAILURES/FIRES

SUMMARY OF INFORMATION FROM THE MANUFACTURER: FORD HAS SUBMITTED 40 OWNERCOMPLAINTS WHICH ALLEGE IN-DASH FIRES. IT DOES NOT BELIEVE THAT THECOMPLAINTS INDICATE A DEFECT NOR ARE THEY SAFETY RELATED.ANALYSIS:A REVIEW OF THE COMPLAINTS WAS CONDUCTED.VARIOUS COMPONENTSWERE ALLEGED TO HAVE BEEN THE SOURC... Read more

CHEVROLET BLAZER - All Years Overview

Complete safety history for the CHEVROLET BLAZER across all model years (1969, 2025).

124 Total Recalls

11,227 Total Complaints

27 Investigations

1,120 Reported Crashes

273 Reported Fires

76 Reported Deaths

CHEVROLET BLAZER - Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year	Recalls	Complaints
2026	0	1	View
2025	1	39	View
2024	1	64	View
2023	2	58	View
2022	1	67	View
2021	1	193	View
2020 (current)	3	351
2019	2	287	View
2008	0	5	View
2007	0	11	View
2006	0	20	View
2005	0	18	View
2004	1	67	View
2003	1	103	View
2002	2	301	View
2001	3	464	View
2000	4	885	View
1999	0	612	View
1998	3	1,025	View
1997	7	1,098	View
1996	11	1,579	View
1995	11	1,707	View
1994	7	774	View
1993	7	616	View
1992	6	337	View
1991	7	267	View
1990	4	42	View
1989	4	47	View
1988	4	45	View
1987	3	38	View
1986	2	21	View
1985	2	35	View
1984	3	10	View
1983	4	8	View
1982	3	2	View
1981	3	1	View
1980	1	1	View
1979	1	1	View
1978	1	2	View
1977	1	2	View
1976	1	1	View
1975	1	0	View
1974	2	0	View
1973	1	1	View
1972	1	0	View
1969	1	0	View

Other CHEVROLET Models

Model	Recalls	Complaints
SUBURBAN	246	10,458	View
TAHOE	240	12,622	View
MALIBU	216	29,080	View
SILVERADO 1500	200	22,534	View
CORVETTE	187	6,308	View
CAMARO	179	4,298	View
SILVERADO	159	10,964	View
SILVERADO 3500	152	1,409	View

Vehicle Safety

Consumer Safety

Infrastructure

Public Health

2020 CHEVROLET BLAZER

Complaint Statistics

Top Reported Components

NHTSA Safety Ratings, 2020 CHEVROLET BLAZER

Safety Technology

Technical Service Bulletins, 2020 CHEVROLET BLAZER

Most Affected Components

NHTSA Safety Investigations, CHEVROLET BLAZER

CHEVROLET BLAZER - All Years Overview

CHEVROLET BLAZER - Year by Year

Other CHEVROLET Models