Chevrolet Trailblazer

Where it stands out against its peers

• Unknown or other: more complaints than 94% of 2021 cars — 28% of its 190 complaints, where an ordinary 2021 car has 16%.

Same model year only, at least 30 peer cars, zeros included. Every car has a worst part; this shows which, and how far from ordinary it is. A high share means more to check, not a verdict.

Before you buy one

Built from what this car fails on, not from general knowledge of the model.

• POWER TRAIN — 25 owners reported this, 1 involving a crash, 1 involving a fire
• ENGINE — 17 owners reported this, 1 involving a fire
• ELECTRICAL SYSTEM — 13 owners reported this
• SERVICE BRAKES — 12 owners reported this
• ENGINE,FUEL/PROPULSION SYSTEM — 5 owners reported this
• FUEL/PROPULSION SYSTEM — 5 owners reported this
• STRUCTURE — 4 owners reported this
• ELECTRICAL SYSTEM,ENGINE — 3 owners reported this
• ELECTRICAL SYSTEM,SERVICE BRAKES,FORWARD COLLISION AVOIDANCE — 3 owners reported this, 1 involving a crash, 1 involving a fire
• POWER TRAIN,ELECTRICAL SYSTEM — 3 owners reported this
• POWER TRAIN,ENGINE — 3 owners reported this
• SERVICE BRAKES,FORWARD COLLISION AVOIDANCE — 3 owners reported this, 2 involving a crash
• VISIBILITY/WIPER — 3 owners reported this
• EQUIPMENT — 2 owners reported this
• POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM — 2 owners reported this
• TIRES — 2 owners reported this

Crash test

Crash-tested by NHTSA, the American road safety agency.

Specification

Recalls

Filed by the manufacturer with a regulator. A recall is repaired free of charge, whoever owns the car now.

77% of 2022 cars have more recall campaigns than this one, and an ordinary one has 3. More of them means more to check the service record for, not a worse car.

• 20V295000

  If drivers are uninformed and overinflate or underinflate their tires, this may increase the risk of a crash.

  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.

• 20V537000

  If an occupied front seat is missing the rear attachment bolts, it may move during a crash, increasing risk of injury to the occupant.

  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.

• 20V588000

  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.

  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.

• 21V440000

  A fractured jack can cause the vehicle to collapse, increasing the risk of injury.

  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.

Regulator investigations

Opened by NHTSA's Office of Defects Investigation. An investigation is a question the regulator asked about a possible defect, not a fault it found — most end without a recall.

• Loss of Headlights

  Recall query, opened April 2017, closed March 2021.

• Driver's Master Power Window Switch

  Engineering analysis, opened June 2012, closed June 2013.

• Driver's Master Power Window Switch

  Preliminary evaluation, opened February 2012, closed June 2012.

• Fuel Level Gauge System Failure

  Defect petition, opened January 2010, closed May 2011.

• Fuel pump module leaks gasoline

  Engineering analysis, opened July 2007, closed August 2008.

• Fuel pump module leaks gasoline

  Preliminary evaluation, opened March 2007, closed July 2007.

• Brake lamp failure

  Engineering analysis, opened August 2004, closed November 2004.

• Brake lamp failure

  Preliminary evaluation, opened April 2004, closed August 2004.

• Windshield wiper failure

  Engineering analysis, opened January 2004, closed February 2004.

• Fuel spillage during refueling

  Preliminary evaluation, opened January 2004, closed May 2004.

• Windshield wiper failure

  Preliminary evaluation, opened September 2003, closed January 2004.

• 2002 trailblazer/envoy fuel tank leaks

  Preliminary evaluation, opened December 2002, closed April 2003.

• Fuel filter quick connect fitting

  Recall query, opened July 2002, closed November 2002.

• Pincher/chafed wiring

  Preliminary evaluation, opened March 2002, closed October 2002.

What the maker told its dealers

Service bulletins are the manufacturer's own repair guidance to dealers, filed with NHTSA. A bulletin is not a defect finding; the count rises with how many things a maker writes down, not only with how many go wrong.

Chevrolet filed 4 bulletins about the 2027 Trailblazer.

• Other: 4

• This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating. · August 2026
• This PI addresses leaks from the case half and provides repair direction to dealer technicians · June 2026
• PIP6032B provides diagnostic direction for dealers when encountering transmission leaks · June 2026
• This Preliminary information communicates to technicians to remove the pulley assembly and inspect the drive chain and pulley surfaces. · June 2026

Grouped by NHTSA's top-level system; a bulletin filed under a sub-heading counts toward its system.