2002 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 1,149 complaints citing each category; one complaint can cite several. Full breakdown on the 2002 Chevrolet Trailblazer overview page.
What owners report
“THE VEHICLE EXPERIENCED ELECTRICAL PROBLEMS IN WHICH THE ENTIRE INSTRUMENT CLUSTER FAILED. AS A RESULT THE ODOMETER, GAS GAUGES, SPEEDOMETER ETC WERE INOPERATIVE. THE VEHICLE…”NHTSA complaint 568053 — filed 10/25/2002
“THERE IS A MALFUNCTION IN ELECTRICIAL SYSTEM WIRING CAUSING ALL BACK LIGHTS TO GO OUT WITHOUT WEAR. . PROBLEM HAPPENED NUMEROUS TIMES. DEALERSHIP REPLACED FUSES…”NHTSA complaint 8009857 — filed 05/14/2002
“CONSUMER ATTEMPTED TO HAVE ONSTAR CONNECTED, HOWEVER AN ONSTAR REPRESENTATIVE STATED THERE WAS A PROBLEM AND THE SERVICE COULD NOT BE CONNECTED. *SLC”NHTSA complaint 561650 — filed 06/15/2001
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2002 Chevrolet Trailblazer have electrical system problems?
Electrical System is the #2 most-reported problem area on the 2002 Chevrolet Trailblazer: 120 of 1,149 complaints on file (10.4%). 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 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.
