NHTSA Complaint #11705260 — 2023 CHEVROLET TRAILBLAZER

UNKNOWN OR OTHER issue reported to NHTSA

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Complaint Details

ODI Number	11705260
Vehicle	2023 CHEVROLET TRAILBLAZER
Component	UNKNOWN OR OTHER
Date of Incident	December 15, 2025
Date Filed	December 16, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	IL

Consumer Description

Exhaust fell off under normal operating conditions. Dealership (Dekalb Sycamore Chevrolet- Sycamore Illinois) stated this has been a common issue with this year group of Chevrolet Trailblazer SUVs. Dealership stated the bolts/exhaust pipe junction between the catalytic converter and pipe that goes to the muffler rusts through and the entire exhaust system from the cat back falls out of the undercarriage of the vehicle, which is what happened here.

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