Electrical complaints and recalls from NHTSA
Summary
The 2018 GMC Terrain has 29 NHTSA electrical complaints and 0 electrical-related recalls.
29
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Nov 1, 2025 | ELECTRICAL SYSTEM | The infotainment system will just randomly start going haywire and when it happens, you cannot use t... |
| Jul 12, 2025 | ELECTRICAL SYSTEM,UNKNOWN OR OTHER,SERVICE BRAKES | Component Affected: Service Brakes, Hydraulic – Brake Vacuum Pump Summary of the Problem: I am rep... |
| Jun 15, 2025 | ELECTRICAL SYSTEM | The contact owns a 2018 GMC Terrain. The contact stated that on several occasions while driving at v... |
| Aug 27, 2024 | ELECTRICAL SYSTEM | The contact owns a 2018 GMC Terrain. The contact stated while driving at an undisclosed speed, the c... |
| Apr 26, 2024 | ELECTRICAL SYSTEM,UNKNOWN OR OTHER,SERVICE BRAKES | Safety was put at risk when brakes went out without warning, and unable to use emergency brake at th... |
| Jan 1, 2024 | ELECTRICAL SYSTEM,STRUCTURE,ENGINE | Rear side windows in hatch area leaked filled up spare tire compartment with about 3-4 gallons of wa... |
| Dec 20, 2023 | ELECTRICAL SYSTEM | The door locks began to have issues; the locks started to work only occassionally for no apparent r... |
| Dec 6, 2023 | ELECTRICAL SYSTEM | On Wed., Dec. 6 around 3:15 pm during heavy traffic on FWY [XXX], cars slowed down to a brief comple... |
| Nov 27, 2022 | ELECTRICAL SYSTEM | Temperature sensor for the engine went out...which now affects my remote start not to work |
| Jun 13, 2022 | ELECTRICAL SYSTEM,EXTERIOR LIGHTING,LANE DEPARTURE | Radio, hands free calling, and light on mirror shorting out. None of them work. It’s like it has a s... |
| Apr 20, 2022 | ELECTRICAL SYSTEM | Unknown |
| Apr 1, 2022 | ELECTRICAL SYSTEM,FUEL/PROPULSION SYSTEM | 1. 2018 Terrain would not start in a parking lot. Remote was used after several attempts to start wi... |
| May 31, 2021 | ELECTRICAL SYSTEM,SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | The "Service Brake Assist" issue in other 2018 GMC SUVs is happening in the 2018 GMC Terrain, but it... |
| Feb 23, 2021 | ELECTRICAL SYSTEM,SERVICE BRAKES | WHEN RESTARTING AFTER VEHICLE "AUTO STOP" I AM GETTING "SERVICE BRAKE ASSIST" AND OCCASIONALLY "SER... |
| Dec 31, 2020 | ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,UNKNOWN OR OTHER | THE SERVICE STABILITRAK LIGHT CONTINUES TO COME ON. WHEN IT DOES, ALMOST ALL OF THE LIGHTS ON THE DA... |
| Sep 1, 2020 | ELECTRICAL SYSTEM,SERVICE BRAKES,ENGINE | MY 2018 GMC TERRAIN HAS MAJOR ISSUES THAT ALMOST CAUSED ME TO HIT A WALL ON THE EXPRESSWAY DUE TO A ... |
| May 1, 2020 | ELECTRICAL SYSTEM | CAR SHUTS OFF COMPLETELY AT A STOP AND NO POWER AT ALL UNTILL IT IS JUMP STARTED. |
| Oct 17, 2019 | ELECTRICAL SYSTEM,UNKNOWN OR OTHER | MY CAR JUST COMPLETELY SHUT DOWN OUT OF NOWHERE. IT HAS HAPPENED TWICE WHEN I WAS SLOWING FOR TRAFFI... |
| Oct 1, 2019 | ELECTRICAL SYSTEM,ENGINE | RECALL ON THE ENGINE BLOCK HEATER. THE DEALERSHIP IS UNABLE TO GET THE PART TO REPLACE. I TOOK IN ... |
| Sep 9, 2019 | ELECTRICAL SYSTEM | THE SCREEN ON THE DASH WHICH INCLUDES THE RADIO AND BACK UP CAMERA GOES WHITE AT RANDOM TIMES AND DO... |