2002 Chevrolet Trailblazer Power Train:automatic Transmission Problems
NHTSA component category: POWER TRAIN:AUTOMATIC TRANSMISSION · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train:automatic transmission ranks on this vehicle
Share of the 1,149 complaints citing each category; one complaint can cite several. Full breakdown on the 2002 Chevrolet Trailblazer overview page.
What owners report
“WHEN VEHICLE IS IN PARKING WITH ENGINE ON, CONSUMER STATES VEHICLE ATTEMPTS TO ENGAGE IN ANOTHER GEAR ON ITS OWN. CONSUMER IS AFRAID TRANSMISSION MAY…”NHTSA complaint 10001311 — filed 12/20/2002
“I WAS DRIVING ON INTERSTATE 80 IN 2 WHEEL DRIVE LOW AT 65MPH. THE VEHICLE BEGAN TO VIBRATE AND I LOOKED AT THE 4 WHEEL…”NHTSA complaint 770338 — filed 12/02/2002
“WHILE TRAVELING ON THE HIGHWAY THE VEHICLE WILL GO INTO FOUR WHEEL DRIVE LOW. THE FOUR WHEEL DRIVE IS TO BE USE IN THE SHOWN…”NHTSA complaint 8022748 — filed 11/14/2002
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train:automatic Transmission complaints by year filed
Frequently asked questions
Does the 2002 Chevrolet Trailblazer have power train:automatic transmission problems?
Power Train:automatic Transmission is the most-reported problem area on the 2002 Chevrolet Trailblazer: 163 of 1,149 complaints on file (14.2%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2002 Chevrolet Trailblazer have in total?
1,149 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 103 involved a crash, 35 involved a fire, 98 reported injuries, and 4 reported deaths.
What does NHTSA's power train:automatic transmission category include?
NHTSA assigns each complaint to standard component categories; this page reports the POWER TRAIN:AUTOMATIC TRANSMISSION category exactly as NHTSA defines and records it.
