2007 Chevrolet Trailblazer Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · 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 electrical system ranks on this vehicle
Share of the 732 complaints citing each category; one complaint can cite several. Full breakdown on the 2007 Chevrolet Trailblazer overview page.
What owners report
“MY 2007 GM TRAIL BLAZER'S FUEL GAUGE BEGAN TO SHOW AN EMPTY TANK WHEN I WOULD FILL IT UP, AND THEN WHEN I WOULD DRIVE…”NHTSA complaint 10398304 — filed 04/29/2011
“ANTISKID WARNING LIGHTS ALWAYS ON INDICATING AN ANTISKID MALFUNCTION. LOW TIRE PRESSURE LIGHT ALWAYS ON EVEN THOUGH TIRES ARE ADEQUATE. CHECK ENGINE LIGHT COMES ON…”NHTSA complaint 10392172 — filed 03/18/2011
“THE ELECTRONICS ON MY 2007 CHEVY TRAILBLAZER HAVE GONE OUT WHICH INCLUDES THE BRAKE LIGHTS AND THE FUEL GAUGE. THE REPAIR ON THE BRAKE LIGHTS…”NHTSA complaint 10352930 — filed 08/31/2010
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2007 Chevrolet Trailblazer have electrical system problems?
Electrical System is the #2 most-reported problem area on the 2007 Chevrolet Trailblazer: 193 of 732 complaints on file (26.4%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2007 Chevrolet Trailblazer have in total?
732 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 19 involved a crash, 56 involved a fire, 23 reported injuries, and 4 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.