2023 Chevrolet Trailblazer problems & reliability
67 owner complaints filed with NHTSA for the 2023 Chevrolet Trailblazer. Last verified Sep 21, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several components.
3 complaints report injuries (4 injured).
Federal crash records (FARS 2020–2023): 2023 Chevrolet Trailblazer vehicles were involved in 15 fatal crashes with 11 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System → | 15 | 22% |
| Engine → | 15 | 22% |
| Service Brakes → | 14 | 21% |
| Unknown / Other | 11 | 16% |
| Power Train → | 10 | 15% |
| Air Bags | 4 | 6% |
| Forward Collision Avoidance | 4 | 6% |
| Engine and Engine Cooling | 3 | 4% |
| Fuel/propulsion System | 3 | 4% |
| Back Over Prevention | 2 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 18 reported components →Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Complaints by incident year
What owners report
“Shift to Park error message when car is already in park and then difficulty getting car to turn off. This is an ongoing issue. I have seen online this is a common problem. This is a safety issue because if the car doesn't turn off the battery will go dead leaving a driver stranded. This issue began soon after the car…”
Electrical System · filed Sep 16, 2026
“While driving to work last Thursday morning suddenly my 2023 Trailblazer let out a sorta growl and then a dragging noise thankfully I was able to get over and stop on the shoulder only to discover that my tail pipe was dragging from just after the catalytic converter as the bolts apparently sheared off leaving only…”
Engine · filed Aug 28, 2026
“The contact owns a 2023 Chevrolet Trailblazer. The contact stated that while his wife was driving at an undisclosed speed, the brake pedal felt extremely firm and was difficult to depress. The contact stated that his wife needed to anticipate the stopping distance to apply enough force to the brake pedal while…”
Service Brakes, Hydraulic · filed Aug 24, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
480 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2023 Chevrolet Trailblazer. The 10 most recent:
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902W · Service Bulletin/Repair Instructions · issued Sep 4, 2026
This Preliminary Information provides the dealer information of the location of the rear seat child anchors.
PIT5995B · Service Bulletin/Repair Instructions · issued Sep 4, 2026
This Preliminary Information provides a diagnostic tip for diagnosing an issue with Cruise Control, Adaptive Cruise and Lane Keep Assist Turns Off or Inoperative.
PIT6196A · Service Bulletin/Repair Instructions · issued Aug 28, 2026
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
PIC6551C · Service Bulletin/Repair Instructions · issued Aug 20, 2026
This Preliminary information communicates to the techicians a diagnostic tip if a customer has a complaint of a whistle/wind noise at highway speeds.
PIC6589B · Service Bulletin/Repair Instructions · issued Jul 31, 2026
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
PIT6110K · Service Bulletin/Repair Instructions · issued Jul 28, 2026
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…
PIC6548B · Service Bulletin/Repair Instructions · issued Jul 23, 2026
PI to help diagnose A/C concern
PIT5099J · Service Bulletin/Repair Instructions · issued Jul 21, 2026
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
PIT5966F · Service Bulletin/Repair Instructions · issued Jun 23, 2026
This Preliminary information communicates to technicians to remove the pulley assembly and inspect the drive chain and pulley surfaces.
PIP6033B · Service Bulletin/Repair Instructions · issued Jun 8, 2026
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 2023 Chevrolet Trailblazer in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2023 Chevrolet Trailblazer?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.