2015 GMC Terrain 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 295 complaints citing each category; one complaint can cite several. Full breakdown on the 2015 GMC Terrain overview page.
What owners report
“MY SCREEN WENT TOTALLY BLACK, I HAVE NO RADIO NO BACK UP CAMERAS. TOOK IT TO DEALER AND THEY THOUGHT IT WAS SCREEN. THE REPLACED…”NHTSA complaint 11283185 — filed 12/01/2019
“THE CONTACT OWNS A 2015 GMC TERRAIN. THE CONTACT STATED THAT THE RADIO AND BACK-UP CAMERA DID NOT WORK. THE VEHICLE WAS TAKEN TO GREEN…”NHTSA complaint 11253680 — filed 09/06/2019
“POWER LIFT GATE WILL NOT OPEN. THE LIFT GATE WAS WORKING BUT WOULD NOT STAY IN THE UP POSITION. I HAD TO REPLACE THE LIFT…”NHTSA complaint 11221763 — filed 06/21/2019
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2015 GMC Terrain have electrical system problems?
Electrical System is the #3 most-reported problem area on the 2015 GMC Terrain: 31 of 295 complaints on file (10.5%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2015 GMC Terrain have in total?
295 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 9 involved a crash, 1 involved a fire, 6 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.