AI Damage2026 Chevrolet Trailblazer: common problems
The maker issued 100 service bulletins for this year. We found 3 repair videos on YouTube. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 100
- YouTube repair videos
- 3
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 1.2 L · petrol · turbo · 3 cyl
- 1.3 L · petrol · turbo · 3 cyl
- automatic, 9-speed
- CVT
Drive: FWD, AWD
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 4 |
| Engine | 0 | 0 | 2 |
| Forward collision avoidance | 0 | 0 | 1 |
| Fuel/propulsion system | 0 | 0 | 1 |
| Service brakes | 0 | 0 | 1 |
| Steering | 0 | 0 | 1 |
| Wheels | 0 | 0 | 1 |
| Other | 0 | 0 | 91 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Forward collision avoidance. Radar and camera: calibration after bumper or windshield replacement.
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is…
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
- This preliminary information is for technicians that may see DTCs that are history and should not perform…
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
- This Preliminary information communicates to dealers a procedure to reset the radio
- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it
- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a…
- This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance
- This Preliminary Information provides the dealer information of the location of the rear seat child anchors
- This Preliminary Information provides a diagnostic tip for diagnosing an issue with Cruise Control,…
This Preliminary Information provides a diagnostic tip for diagnosing an issue with Cruise Control, Adaptive Cruise and Lane Keep Assist Turns Off or Inoperative.
- This Preliminary information communicates to the technicians a diagnostic tip if a technician loses…
This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with the image processor #2 and how to restore communication
- This Preliminary information communicates to the technician the repairs direction for addressing a…
This Preliminary information communicates to the technician the repairs direction for addressing a customer concern of no airflow from dash vents when using air conditioning after an extended drive time.
- This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
- This document assists GM Dealer technician's with diagnosing turbocharger concerns to ensure turbocharger…
This document assists GM Dealer technician's with diagnosing turbocharger concerns to ensure turbocharger replacement is necessary. The turbocharger part number will be placed on order restriction and the technician…
NHTSA lists 100 bulletins for this year; the 12 newest are shown here.
Repair videos
We do not copy videos: these are YouTube links credited to their authors. Amounts are as stated by the author and not verified by us.
- The 2026 Chevy Trailblazer will SURPRISE You! 🤯amount per author: 25,000 UNSPECIFIED_DOLLAR
- 2026 Trailblazer Feature Deep Dive
- Pre-recon of 2026 Chevrolet Trailblazer
Other years of this model
Questions and answers
What are the most common problems with the 2026 Chevrolet Trailblazer?
There are no owner complaints in the NHTSA data for this year; the data comes from 100 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2026 Chevrolet Trailblazer?
NHTSA lists 100 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2026 Chevrolet Trailblazer from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2026 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.