AI Damage2025 Chevrolet Trailblazer: common problems
Owners of the 2025 Chevrolet Trailblazer filed 26 complaints with NHTSA, most often about electrical system and powertrain. The maker issued 271 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 26
- involving a crash
- 1
- Technical service bulletins (TSB)
- 271
What fails most often
- 1 Electrical system 54% of all complaints
- 2 Powertrain 23% of all complaints
- 3 Engine 12% of all complaints
- 4 Visibility 8% of all complaints
- 5 Service brakes 8% of all complaints
- 6 Forward collision avoidance 8% of all complaints
- 7 Steering 8% of all complaints
- 8 Lane departure 8% of all complaints
- Electrical system: 14 complaints (54% of all); manufacturer bulletins for this component: 39.
- Powertrain: 6 complaints (23% of all); manufacturer bulletins for this component: 27.
- Engine: 3 complaints (12% of all); manufacturer bulletins for this component: 42.
- Visibility: 2 complaints (8% of all), 1 of them with a crash reported by the owner; manufacturer bulletins for this component: 6.
- Service brakes: 2 complaints (8% of all); manufacturer bulletins for this component: 5.
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
Symptoms owners describe
How many of the 26 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 14 | 0 | 39 |
| Powertrain | 6 | 0 | 27 |
| Engine | 3 | 0 | 42 |
| Visibility | 2 | 1 | 6 |
| Service brakes | 2 | 0 | 5 |
| Forward collision avoidance | 2 | 0 | 4 |
| Steering | 2 | 0 | 4 |
| Lane departure | 2 | 1 | 2 |
| Structure | 1 | 0 | 7 |
| Exterior lighting | 1 | 0 | 3 |
| Air bags | 1 | 0 | 0 |
| Backover prevention | 1 | 0 | 0 |
| Wheels | 0 | 0 | 9 |
| Fuel/propulsion system | 0 | 0 | 6 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Monic was backing out of driveway and indicates her backup camera and sensors were not functioning, she looked in her mirrors and did not see the vehicle so continued and collided with a parked/unoccupied vehicle. Liberty Mutual [ref]
Service Air Bag System light has come on. Yes, the dealership has confirmed there is a problem with the air bag system and part need to be replaced. Collision Sensor System consists of sensors that distinguish between a moderate or severe crash impact.
The contact stated that while in reverse, the back over prevention camera displayed a black screen. The failure was causing the screen to flash and failed to display pertinent information. The failure caused the battery to become drained.
I was traveling at high speeds on the freeway amid a strong head wind and noticed that the hood was fluttering and had to pull over concerned about the hood was going to detach and flip up into the windshield upon inspection and research I found that there are Hood bumper adjustments at the forward engine bay I…
About a year ago I brought my car to the dealership because my computer blacked out which resulted in losing power steering and braking ability. I was told they hooked it up to the computer and found nothing and sent me on my way.
Component Affected: POWER TRAIN: AUTOMATIC TRANSMISSION / TRANSMISSION CONTROL MODULEDescription of Safety Defect:The vehicle is experiencing a severe, intermittent, and violent mechanical "garage shift" engagement lurch.
My vehicle started overheating out of no where towed it to the shop, it’s been there for 2 weeks they’re actively waiting for a manufacturer engineer to tell them what to do because they can’t figure out how to fix it. On top of that there have been a lot of overheating issues cause by different parts on the vehicle.
On 4/14 with only 21 miles on the odometer in this newly purchased car the entire transmission failed, per the dealership because of a “leaking valve”. The check engine light came on after the car was jumpy and then the car refused to speed up on an extremely busy street and began locking up, putting us at serious…
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 1,141 of 2,102 model years in the NHTSA data (among the 46% least complained about).
On average one model year of the Trailblazer has 40 complaints (11 years in the data). This year has 26, below average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Visibility. Wipers, mirrors, defrosters, cracked glass.
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 271 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2025 Chevrolet Trailblazer?
Owner complaints to NHTSA most often mention: electrical system, powertrain, engine. Total complaints: 26. The most frequent symptoms in complaint texts: infotainment or screen glitches (23%), rear-view camera (19%), stalls while driving (15%).
How many service bulletins (TSB) were issued for the 2025 Chevrolet Trailblazer?
NHTSA lists 271 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 2025 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 2025 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.