2014 GMC Terrain 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 296 complaints citing each category; one complaint can cite several. Full breakdown on the 2014 GMC Terrain overview page.
What owners report
“CAR STALLS WHEN MAKING A RIGHT TURN. I STARTED MY CAR AND TRIED TO TURN RIGHT AND CONTINUOUSLY STALLED UNTIL MY CAR WAS DONE TURNING.”NHTSA complaint 11288753 — filed 12/12/2019
“MY CAR MAKES A RUBBING NOISE WHEN AND ONLY WHEN YOU STOP. ALSO MY FORWARD COLLISION ALERT COMES ON WHEN NOTHING IS IN FRONT OF…”NHTSA complaint 11245047 — filed 08/19/2019
“MY CAR COMPLETELY SHUT DOWN WHILE TURNING A CORNER (POWERED OFF). I ALMOST HIT A TREE BECAUSE I WAS UNABLE TO TURN THE STEERING WHEEL…”NHTSA complaint 11240527 — filed 07/30/2019
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2014 GMC Terrain have electrical system problems?
Electrical System is the #4 most-reported problem area on the 2014 GMC Terrain: 29 of 296 complaints on file (9.8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2014 GMC Terrain have in total?
296 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 7 involved a crash, 2 involved a fire, 8 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.