2003 GMC Envoy 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 392 complaints citing each category; one complaint can cite several. Full breakdown on the 2003 GMC Envoy overview page.
What owners report
“THE VEHICLE WAS IN SERVICE 3 TIMES WITHIN 14 DAYS, GM SAYS THE PROBLEM WAS THE IGNITION SWITCH, I SAY THE SOURCE OF THE PROBLEM…”NHTSA complaint 10147921 — filed 01/17/2006
“1) SEQUENCE OF EVENTS - NOTHING HAPPENS WHEN WE TRY TO START. -BATTERY VOLTAGE OK, AUTO-HEADLIGHTS ON, BRIGHT - INSTRUMENT PANEL COMPLETELY DEAD -2 HOURS…”NHTSA complaint 10147917 — filed 01/17/2006
“DT: THE CONTACT STATED WHILE DRIVING, THE REDUCE POWER ENGINE AND OIL PRESSURE LOW, CHECK ENGINE IGHTS ILLUMINATED. THE VEHICLE STOPPED, ALTHOUGH, THE ENGINEWAS STILL…”NHTSA complaint 10147662 — filed 01/12/2006
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 GMC Envoy have electrical system problems?
Electrical System is the most-reported problem area on the 2003 GMC Envoy: 54 of 392 complaints on file (13.8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2003 GMC Envoy have in total?
392 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 42 involved a crash, 8 involved a fire, 37 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.
