Table 1 shows two common engine and engine cooling related problems of the 2019 GMC Sierra 3500. The number one most common problem is related to the engine and engine cooling (two problems). The second most common problem is related to the engine cooling system (one problem).
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling problems | |
| Engine Cooling System problems |
I purchased my vehicle in 2019. Since then, I have had several issues. I've had to replace the coolant reservoir, def heater/pump and twice changed the number 8 injector plug. The warning light came on just after the warranty went out. The code reader read the ambient sensor and no sensor. Read details...
The contact owns a 2019 GMC Sierra 3500. The contact stated that while operating the vehicle with the air conditioner on and blowing air the occupants had experienced an acid/chemical burning sensation to the eyes and throat. The failure was intermittent and had affected multiple occupants. Read details...