2025 GMC Sierra 1500 Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 11/01/2026
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 126 complaints citing each category; one complaint can cite several. Full breakdown on the 2025 GMC Sierra 1500 overview page.
What owners report
“While driving at highway speed, my 2025 GMC Sierra suddenly began slowing down without warning and lost propulsion. When I pressed the accelerator, there was…”NHTSA complaint 11746696 — filed 06/26/2026
“First occurrence was 02/27/2026 - onstar detecated a critical issue, the check esc, check tsc words came on in the center dash, then the orange…”NHTSA complaint 11735531 — filed 05/04/2026
“Got in started Truck and there is no Sound anywhere... none for blinkers, radio, warning lights if there to be any. ZERO sounds. This has…”NHTSA complaint 11734260 — filed 04/28/2026
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2025 GMC Sierra 1500 have electrical system problems?
Electrical System is the #3 most-reported problem area on the 2025 GMC Sierra 1500: 26 of 126 complaints on file (20.6%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2025 GMC Sierra 1500 have in total?
126 complaints were on file with NHTSA as of 11/01/2026. Across all categories, 3 involved a crash, 1 involved a fire, 0 reported injuries, and none 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.
