2019 GMC Sierra 1500 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 602 complaints citing each category; one complaint can cite several. Full breakdown on the 2019 GMC Sierra 1500 overview page.
What owners report
“AFTER MY RECALL WAS FIXED MY TRUCK LOCKED INTO 4 WHEEL DRIVE AND I LOST CONTROL OF ALL MY SAFETY FEATURES. MY LIGHTS WOULD NOT…”NHTSA complaint 11306185 — filed 01/30/2020
“I HAD NO ISSUES WITH MY TRUCK UNTIL I WENT AND HAD THE MOST RECENT RECALL DONE FOR THE BRAKES. I SINCE HAVE HAD BRAKE…”NHTSA complaint 11302193 — filed 01/27/2020
“TRUCK PARKED IN MORNING, TURNED IT ON AND MULTIPLE WARNINGS CAME ON, SERVICE TRAILER BRAKE SYSTEM,SERVICE ESC,BRAKE SYSTEM FAILURE AT 62MPH,GOT WARNING FROM ONSTAR THAT…”NHTSA complaint 11301677 — filed 01/24/2020
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2019 GMC Sierra 1500 have electrical system problems?
Electrical System is the #4 most-reported problem area on the 2019 GMC Sierra 1500: 91 of 602 complaints on file (15.1%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2019 GMC Sierra 1500 have in total?
602 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 12 involved a crash, 3 involved a fire, 11 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.
