Table 1 shows two common engine and engine cooling related problems of the 2021 GMC Terrain. The number one most common problem is related to the engine and engine cooling (eight problems). The second most common problem is related to the engine engine control module (ecu/ecm) (one problem).
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling problems | |
| Engine Engine Control Module (ecu/ecm) problems |
Vehicle went into reduce engine power mode and check engine light came on. Vehicle has just over 60,000 miles. Code is telling me I need a new turbo and being quoted $1,500-$3,000. I have read so many people having the same issue with needing a new turbo just after 60,000 miles Read details...
The contact owns a 2021 GMC Terrain. The contact stated that the transmission was previously replaced. The contact stated that upon starting the vehicle, the check engine warning light illuminated. The failure had occurred intermittently. Read details...