2004 GMC Envoy 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 367 complaints citing each category; one complaint can cite several. Full breakdown on the 2004 GMC Envoy overview page.
What owners report
“WHEN TRAVELING DOWN THE ROAD AND PUTTING ON THE BRAKES THE HEADLIGHTS AND DASH LIGHTS FLICKER. THE FLICKERING IS SO MUCH THAT IS LOOKS LIKE…”NHTSA complaint 10264199 — filed 04/05/2009
“PROBLEM STARTED OUT AS ERRATIC READING WITH SPEEDOMETER. AFTER APPROX. 5 DAYS SPEEDO FINALLY WOULDN'T REGISTER AT ALL TOOK VEHICLE TO AUTHORIZED DEALER TO BE…”NHTSA complaint 10260318 — filed 02/28/2009
“THE SPEEDOMETER GRADUALLY DECREASED FROM INTERSTATE SPEED (70MPH) TO 0 MPH WHILE DRIVING. SPEEDOMETER FAILS TO OPERATE. I PERSONALLY KNOW 2 PEOPLE WHO HAVE HAD…”NHTSA complaint 10259493 — filed 02/20/2009
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2004 GMC Envoy have electrical system problems?
Electrical System is the most-reported problem area on the 2004 GMC Envoy: 91 of 367 complaints on file (24.8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2004 GMC Envoy have in total?
367 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 25 involved a crash, 11 involved a fire, 31 reported injuries, and 1 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.
