Representative model. Photo: Mr.choppers, Wikimedia Commons, CC BY-SA 3.0

Recalls & complaints · NHTSA data

2021 Chevrolet Trailblazer recalls

Every recall campaign and owner complaint NHTSA has on file for the 2021 model year. Not every vehicle is affected by every campaign: check a specific car by VIN below.

Recall campaigns: 4
Park-it warnings: 0
Complaints: 195
Latest campaign: Jun 10, 2021

Recall summary by component4

NHTSA Recalls API · cached ≤24 h

Component	Campaigns	Latest	Campaign IDs
Equipment	1	Jun 10, 2021	21V440000
Service brakes	1	Sep 24, 2020	20V588000
Seats	1	Sep 3, 2020	20V537000
Tires	1	May 21, 2020	20V295000

Safety recalls4

NHTSA Recalls API · cached ≤24 h

0Park-it warnings

0Fixable over the air

Jun 10, 2021Latest campaign


Jun 10, 202121V440000	Equipment: mechanical accessory scissor/screw/bottle jack/lift A fractured jack can cause the vehicle to collapse, increasing the risk of injury. DetailsHide details for campaign 21V440000 What's wrong General Motors, LLC. (GM) is recalling certain 2020-2022 Buick Encore GX and 2021-2022 Chevrolet Trailblazer vehicles. The emergency jack, if not positioned as directed in the vehicle owner's manual, can fracture while in use. Risk A fractured jack can cause the vehicle to collapse, increasing the risk of injury. Remedy Dealers will replace the jack, free of charge. Interim owner notification letters informing owner of the safety risk are expected to be mailed July 26, 2021. A second notice will be mailed once remedy parts become available. Owners may contact Buick customer service at 1-800-521-7300 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is A212335470. Campaign NHTSA 21V440000 · Jun 10, 2021
Sep 24, 202020V588000	Service brakes If communication with the sensor is interrupted, the electronic brake boost assist could be lost. DetailsHide details for campaign 20V588000 What's wrong General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system. Risk If communication with the sensor is interrupted, the electronic brake boost assist could be lost. Extra pedal force will be required to slow and stop the vehicle, increasing the risk of a crash. Remedy GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 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 this recall is A202307260. Campaign NHTSA 20V588000 · Sep 24, 2020
Sep 3, 202020V537000	Seats: critical fasteners If an occupied front seat is missing the rear attachment bolts, it may move during a crash, increasing risk of injury to the occupant. DetailsHide details for campaign 20V537000 What's wrong General Motors LLC (GM) is recalling certain 2020 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles. The rear attachment bolts of one or both front seats may not have been installed. Risk If an occupied front seat is missing the rear attachment bolts, it may move during a crash, increasing risk of injury to the occupant. Remedy GM will notify owners, and dealers will inspect seat attachments for both front seats and install attachment bolts as needed, free of charge. The recall began October 1, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438 or Buick customer service at 1-800-521-7300. GM's number for this recall is A202304380. Campaign NHTSA 20V537000 · Sep 3, 2020
May 21, 202020V295000	Tires If drivers are uninformed and overinflate or underinflate their tires, this may increase the risk of a crash. DetailsHide details for campaign 20V295000 What's wrong General Motors LLC (GM) is recalling certain 2021 Chevrolet Trailblazer vehicles factory-equipped with optional 17-inch sport terrain tires. The certification label on these vehicles does not provide the tire size and cold tire pressure information for front and rear tires, as required. As such, these vehicles fail to comply with Federal Motor Vehicle Safety Standard Number 110, "Tire Selection and Rims." Risk If drivers are uninformed and overinflate or underinflate their tires, this may increase the risk of a crash. Remedy GM will notify owners, and will mail corrected labels for customers to apply, free of charge. The recall began July 1, 2020. Owners may call Chevrolet customer service at 1-800-222-1020. GM's number for this recall is A202304070. Campaign NHTSA 20V295000 · May 21, 2020

To see whether a recall is still open on your car, enter the VIN at nhtsa.gov/recalls or the Chevrolet recall lookup. Recall repairs are free at a franchised dealer (federal law; see limits).

Buying a used 2021 Chevrolet Trailblazer? Recalls cover the model; a history report checks one car's title, odometer and accident records. VinAudit history report → Sponsored · disclosure

Owner complaints by component195

NHTSA Complaints API · cached ≤24 h

195Complaints filed

7Involving a crash

3Involving a fire

5Injuries reported

Component	Complaints	%	Crashes	Fires	Injuries
Unknown or other	54	28	0	0	0
Power train	41	21	1	1	0
Electrical system	41	21	1	1	0
Engine	38	19	0	1	0
Service brakes	32	16	4	1	3
Fuel/propulsion system	17	9	0	0	0
Forward collision avoidance	11	6	4	1	3
Structure	8	4	0	0	1
Steering	6	3	1	0	0
Vehicle speed control	5	3	1	0	1
Visibility/wiper	4	2	0	0	0
Back over prevention	3	2	0	0	0
Air bags	3	2	1	0	0
Wheels	3	2	0	0	0
Hydraulic	2	1	0	0	0

13 more components with fewer complaints not shown. An owner can tag several components, so percentages add up to more than 100. Complaints are unverified owner reports, de-duplicated by NHTSA ODI number.

Latest reports

Power train
“My 2021 Trailblazer does not shift into drive properly from park or reverse. When shifting into drive, the engine revs but does not move forward. In some cases, the vehicle also shakes and jolts for several seconds.”
Filed 10/05/2026 · ODI 11769082
Service brakes
“ABS brake system failed causing breaking to surge and not work correctly and not stop like it should resulting in having to have the ABS module and pump replaced at an extreme cost.”
Filed 10/03/2026 · ODI 11768719
Unknown or other
“2021 Chevy Trailblazer has a shift to park sensor issue. Car is in park and the sensor does not recognize that it is in park and displays a safety message to place car in park and continues to beep.”
Filed 09/15/2026 · ODI 11764456

Other Chevrolet Trailblazer model years

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2021 Chevrolet Trailblazer recall questions

How many recalls does the 2021 Chevrolet Trailblazer have?

NHTSA lists 4 safety recall campaigns for the 2021 Chevrolet Trailblazer. The most recent, 21V440000 (reported June 10, 2021), concerns equipment. Not every vehicle is covered by every campaign; check a specific car by VIN.

What is the most common complaint about the 2021 Chevrolet Trailblazer?

Unknown or other is the most-reported component, named in 54 complaints out of 195 filed with NHTSA (28%). Across all complaints, owners reported 7 crashs and 3 fires. Complaints are unverified owner reports.

How do I check if a recall is open on my 2021 Chevrolet Trailblazer?

Enter the 17-character VIN at nhtsa.gov/recalls or the Chevrolet recall lookup. That shows campaigns still unrepaired on that exact car. Safety recall repairs are free at a franchised Chevrolet dealer.

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