2003 Chevrolet Trailblazer Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 07/14/2026
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 901 complaints citing each category; one complaint can cite several. Full breakdown on the 2003 Chevrolet Trailblazer overview page.
What owners report
“I HAVE HAD THE EXACT PROBLEMS AS STATED IN 10047425. WINDSHIELD WIPERS WENT OUT COMPLETELY ON A RAINY DAY, MODULE REPLACED, A/C BROKE ON A…”NHTSA complaint 10055194 — filed 01/29/2004
“OWNED 03 TRAILBLAZER FOR 4 MONTHS AND HAS GIVEN ME ELECTRICAL & MECHANICAL PROBLEMS. I HAD ONE PROBLEM SINCE I FIRST BOUGHT THIS VEHICLE AND…”NHTSA complaint 10052419 — filed 01/05/2004
“WHEN ENTERING OR EXITING THE VEHICLE CONSUMER IS EXPERIENCING SPARKS BY SOME ELECTRICAL SURGE. THE ELECTRICAL SURGE OCCURS WHEN METAL IS TOUCHED. CONSUMER NOTED THIS…”NHTSA complaint 10046501 — filed 12/02/2003
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2003 Chevrolet Trailblazer have electrical system problems?
Electrical System is the most-reported problem area on the 2003 Chevrolet Trailblazer: 170 of 901 complaints on file (18.9%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2003 Chevrolet Trailblazer have in total?
901 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 68 involved a crash, 14 involved a fire, 66 reported injuries, and 2 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.
