The vehicle dossier US · 2023

2023 Chevrolet
TRAILBLAZERProblems & recalls

68 distinct owner reports in the NHTSA snapshot. Other components appears in 22 of them. Explore what was reported—and which official actions are on file.

Snapshot Sep 28, 2026Live NHTSA complaint API How this dossier is compiled

01 / Owner-reported evidence

What owners reported.

Categories attached to 68 distinct reports. A report can mention more than one component, so category totals can overlap.

Other components22 reports
Engine19 reports
Brakes16 reports
Electrical system15 reports
Transmission & drivetrain10 reports
Air bags4 reports
Fuel system3 reports
Steering2 reports
Visibility1 reports
See original component labels
ENGINE16
SERVICE BRAKES14
ELECTRICAL SYSTEM13
UNKNOWN OR OTHER12
POWER TRAIN9
AIR BAGS4
FUEL/PROPULSION SYSTEM3
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING2
STEERING2
LANE DEPARTURE: ASSIST2
BACK OVER PREVENTION2
FORWARD COLLISION AVOIDANCE: WARNINGS2
ENGINE AND ENGINE COOLING2
VISIBILITY/WIPER1
LANE DEPARTURE: WARNING1
VEHICLE SPEED CONTROL1
Tether, Lower Anchor (on car seat or vehicle)1
Chest Clip, Buckle, Harness1
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER1
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL1
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL1
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL1
POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT1
ELECTRICAL SYSTEM:IGNITION1
SEAT BELTS1
SERVICE BRAKES, HYDRAULIC1

These are reports made to NHTSA, not verified diagnoses. More reports can reflect more vehicles, more time on the road, or greater reporting activity.

The reporting timeline

When reports arrived.

Reports by year filed, not by the year a problem occurred. Showing the latest 4 years with reports.

Year filed (last two digits)Latest report: Sep 23, 2026
Mileage, where supplied

42,481 miles is the median among 14 reports with usable mileage. The middle half spans 25,000–51,174 miles.

This describes the submitted reports. It does not predict when a vehicle will fail.

02 / Official safety campaigns

0 recall campaigns on file.

A campaign can cover only certain production dates or configurations. The count does not tell you whether an individual car has an open recall.

No campaigns matched this model-year in the imported recall files. This is not confirmation that a particular VIN has no open recalls.
Check this car’s VIN at NHTSA

03 / The manufacturer’s record

Instructions. Updates. Responses.

480 distinct communications list this model-year. Showing the latest 12. A matching model-year does not establish that every engine, trim or reported symptom is covered.

Sep 4, 2026 Service Bulletin/Repair InstructionsPIP4902WThis preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.NHTSA ID 11037253

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11037253 at NHTSA
Sep 4, 2026 Service Bulletin/Repair InstructionsPIT5995BThis Preliminary Information provides the dealer information of the location of the rear seat child anchors.NHTSA ID 11037252

This Preliminary Information provides the dealer information of the location of the rear seat child anchors.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11037252 at NHTSA
Aug 28, 2026 Service Bulletin/Repair InstructionsPIT6196AThis Preliminary Information provides a diagnostic tip for diagnosing an issue with Cruise Control, Adaptive Cruise and Lane Keep Assist Turns Off or Inoperative.NHTSA ID 11036693

This Preliminary Information provides a diagnostic tip for diagnosing an issue with Cruise Control, Adaptive Cruise and Lane Keep Assist Turns Off or Inoperative.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11036693 at NHTSA
Aug 20, 2026 Service Bulletin/Repair InstructionsPIC6551CThis Preliminary information communicates to dealer to perform a MEC reset for wireless projection issuesNHTSA ID 11036392

This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11036392 at NHTSA
Jul 31, 2026 Service Bulletin/Repair InstructionsPIC6589BThis Preliminary information communicates to the techicians a diagnostic tip if a customer has a complaint of a whistle/wind noise at highway speeds.NHTSA ID 11035696

This Preliminary information communicates to the techicians a diagnostic tip if a customer has a complaint of a whistle/wind noise at highway speeds.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11035696 at NHTSA
Jul 28, 2026 Service Bulletin/Repair InstructionsPIT6110KThis Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.NHTSA ID 11035693

This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11035693 at NHTSA
Jul 23, 2026 Service Bulletin/Repair InstructionsPIC6548BThis Preliminary information communicates to the technician the direction needed when encountering an issue with switching between adaptive cruise control and regular cruise control or an issue with automatic high beam feature …NHTSA ID 11035349

This Preliminary information communicates to the technician the direction needed when encountering an issue with switching between adaptive cruise control and regular cruise control or an issue with automatic high beam feature after the front camera was replaced.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11035349 at NHTSA
Jul 21, 2026 Service Bulletin/Repair InstructionsPIT5099JPI to help diagnose A/C concernNHTSA ID 11035340

PI to help diagnose A/C concern

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11035340 at NHTSA
Jun 23, 2026 Service Bulletin/Repair InstructionsPIT5966FThis Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.NHTSA ID 11034769

This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11034769 at NHTSA
Jun 8, 2026 Service Bulletin/Repair InstructionsPIP6033BThis Preliminary information communicates to technicians to remove the pulley assembly and inspect the drive chain and pulley surfaces.NHTSA ID 11033719

This Preliminary information communicates to technicians to remove the pulley assembly and inspect the drive chain and pulley surfaces.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11033719 at NHTSA
Jun 5, 2026 Service Bulletin/Repair InstructionsPIP6031EThis PI addresses leaks from the case half and provides repair direction to dealer techniciansNHTSA ID 11033725

This PI addresses leaks from the case half and provides repair direction to dealer technicians

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11033725 at NHTSA
Jun 3, 2026 Service Bulletin/Repair InstructionsPIP6032CPIP6032B provides diagnostic direction for dealers when encountering transmission leaksNHTSA ID 11033723

PIP6032B provides diagnostic direction for dealers when encountering transmission leaks

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11033723 at NHTSA
Browse all manufacturer records by page

Records below contain the NHTSA bulk summary unless a document-reviewed explainer is linked. A service bulletin is not a safety recall or a promise of a free repair. Records may be revised or superseded; verify the current document with the manufacturer.

04 / Agency investigations

Official inquiries.

An investigation is an inquiry into a potential concern. Its presence does not establish a defect, and a closed case does not certify a car’s condition.

No investigation records matched this model-year in the snapshot.

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