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2006 Chevrolet Trailblazer EXT Electrical System Problems

NHTSA component category: ELECTRICAL SYSTEM · data through 07/14/2026

37Electrical System complaints
19.6%Of all 189 complaints
#2Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How electrical system ranks on this vehicle

ELECTRICAL SYSTEM37 · 19.6%
FUEL SYSTEM, OTHER16 · 8.5%
EXTERIOR LIGHTING11 · 5.8%
FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM8 · 4.2%

Share of the 189 complaints citing each category; one complaint can cite several. Full breakdown on the 2006 Chevrolet Trailblazer EXT overview page.

What owners report

“I OWN A 2006 CHEVY TRAILBLAZER EXT. ON APRIL 17TH 2011 I WAS DRIVING ON HIGHWAY 1-96 IN MICHIGAN WITH MY 2 YOUNG KIDS. GAS…”NHTSA complaint 10398544 — filed 05/02/2011
“MY FUEL GAUGE ON MY 2006 CHEVY TRAILBLAZER SLOWLY STOPPED TO WHERE IT IS NO LONGER WORKING AT ALL. ALSO, SUDDENLY TODAY, BOTH OF MY…”NHTSA complaint 10369408 — filed 12/06/2010
“AS OF TODAY, MY REDUCED ENGINE POWER LIGHT CAME ON AND THERE APPEARS TO BE AN ISSUE WITH THE ELECTRONIC THROTTLE CONTROL SYSTEM. WHEN I…”NHTSA complaint 10356032 — filed 09/16/2010

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Electrical System complaints by year filed

2200822009720103201111201222013520141201542016

Frequently asked questions

Does the 2006 Chevrolet Trailblazer EXT have electrical system problems?

Electrical System is the #2 most-reported problem area on the 2006 Chevrolet Trailblazer EXT: 37 of 189 complaints on file (19.6%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2006 Chevrolet Trailblazer EXT have in total?

189 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 2 involved a crash, 2 involved a fire, 4 reported injuries, and none reported deaths.

What does NHTSA's electrical system category include?

NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.