Table 1 shows two common engine and engine cooling related problems of the 2019 GMC Terrain. The number one most common problem is related to the engine and engine cooling (61 problems). The second most common problem is related to the check engine light on (two problems).
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling problems | |
| Check Engine Light On problems |
While driving my 2019 GMC Terrain on local roads, the vehicle suffered a sudden and complete failure of the braking system. The brake pedal became extremely hard to press, and the dashboard displayed a critical error message stating 'engine power is reduced. Read details...
July 10, 2019 at highway speed upon acceleration turbo body tube blew off suddenly and engine reduced to half power / check engine light comes on. This happened after only 1000 miles on new car. After a repair by dealership July 11,2019 same problem occurred July 12, 2019 while on highway. Read details...