2003 Chevrolet Silverado 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 695 complaints citing each category; one complaint can cite several. Full breakdown on the 2003 Chevrolet Silverado overview page.
What owners report
“VEHICLE SEEMS TO GO INTO 4-WHEEL DRIVE BY ITSELF WHILE DRIVING . THIS HAS HAPPENED TO ME THREE TIMES ALREADY. I WANT TO SWITCH DEALERS…”NHTSA complaint 10062332 — filed 03/16/2004
“4X4 DOES NOT ACTIVATE WHEN NEEDED. TAKEN TO DEALER 4 TIMES FOR THE SAME PROBLEM. BULLATIN OUT FROM DEALER TO SERVICE TECHS STATING THERE IS…”NHTSA complaint 10058304 — filed 02/16/2004
“AT 4,702 MILES THE "CHECK ENGINE" MESSAGE DISPLAYED. ONSTAR CONFIRMED TRUCK REQUIRED SERVICE WITHIN SEVEN DAYS. BOARDWALK CHEVROLET IN REDWOOD CITY DIAGNOST THE PROBLEM AS…”NHTSA complaint 10055084 — filed 01/28/2004
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 Silverado have electrical system problems?
Electrical System is the #2 most-reported problem area on the 2003 Chevrolet Silverado: 61 of 695 complaints on file (8.8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2003 Chevrolet Silverado have in total?
695 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 42 involved a crash, 11 involved a fire, 26 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.
