2023 Chevrolet Trailblazer problems, complaints & recalls
Most-reported problem areas: Service Brakes (15) · Engine (11) · Power Train (7)
🧭 Reliability snapshot
Compared against other Chevrolet Trailblazer model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (484)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-10-16 · PIC6626B · Service Bulletin/Repair Instructions
pi created to guide technicians through radio restriction process
Unknown Or Other 2026-10-07 · PIT6110L · Service Bulletin/Repair Instructions
this preliminary information communicates an issue with the ses mil and dtc p062b and engineering is currently investigating.
Unknown Or Other 2026-09-28 · PIT6457C · Service Bulletin/Repair Instructions
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.
Unknown Or Other 2026-09-28 · PIC6540K · Service Bulletin/Repair Instructions
this preliminary information communicates to dealers a procedure to reset the radio.
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Showing the 6 most recent of 484 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-24 · Unknown Or Other“when going over a small bump in the road the bolts connecting the catalytic converter to the exhaust pipe snapped without any visible corrosion or rust. …”
2026-10-22 · Engine And Engine Cooling:exhaust System:manifold/Header/Muffler/Tail Pipe · 18,787 mi“the contact owns a 2023 chevrolet trailblazer. the contact stated that while driving at approximately 25 - 30 mph, the exhaust system, where the muffler was attached only had three bolts attached. the contact stated that the exhaust system had detached and the muffler was very loud. the tow truck driver loaded the muffler separately. the vehicle wa…”
2026-10-19 · Exterior Lighting:headlights · 59,050 mi“the contact owns a 2023 chevrolet trailblazer. the contact stated that while driving at 25 mph, the headlights failed to illuminate as intended. the contact stated that the headlights did not provide illumination up to thirty feet. the vehicle was taken to the dealer, where the failure was not duplicated. the dealer informed the contact that the he…”
2026-10-18 · Electrical System“while in park, ignition key will not release. couldn't drive anywhere without leaving key in the ignition. dealership aware of issue with trailblazers 2021 to 2024. no warning lights appeared. had to get repaired. "shift to park" tsb 23-na-119…”
2026-10-06 · Service Brakes“purchased brand new december 2022. 7000 miles had issues with brake noise. dealership resurfaced rotors. 28000 miles turbo had to be replaced due to "reduced engine power". was told a seal was the problem in the original design. 45000 miles a/c would stop blowing and produce extensive condensation on middle vents and "shift to park" became a proble…”
2026-10-01 · Seat Belts · 💥 crash“i was riding in this suv with the owner heading down [xxx] towards highway [xxx] in madera, ca . we were approaching a turn onto highway [xxx] and there was slowed or stopped traffic in front of us, we slowed to a stop and then was hit very hard from behind by a newer mustang.ihad my seat belt on, as usual, but we were hit so hard i hit my face on …”
2026-09-23 · Unknown Or Other · 🔥 fire“this incident is in regards to a fire that occurred in the engine bay area, post having turbo replacement and spark plug replacement done by a local dealership where this car was purchased new. car had roughly approximately 60,000 miles and had a check engine light and engine reduce power notification on dash. was taken to the aforementioned dealer…”
2026-09-16 · Electrical System“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 was out of warranty. …”
2026-08-28 · Engine“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 the head of the bolts intact. luc…”
2026-08-24 · Service Brakes, Hydraulic · 40,000 mi“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 stopping the vehicle. the vehicle was …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.