Table 1 shows four common engine and engine cooling related problems of the 2019 GMC Sierra 2500. The number one most common problem is related to the engine and engine cooling (six problems). The second most common problem is related to the engine exhaust system (one problem).
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling problems | |
| Engine Exhaust System problems | |
| Diesel Engine problems | |
| Engine Clicking And Tapping Noises problems |
On 07/10/2026 at approximately 1:10 a. M. , the parked and unoccupied vehicle caught fire while turned off. The vehicle had not been driven for several hours. A neighbor was awakened by the horn/alarm and popping noises, observed fire near the passenger-side cab/engine area, and called 911. Read details...
Tl- the contact owns a 2019 GMC Sierra 2500. The contact stated while driving 5 mph up a hill, when the low coolant and def (diesel exhaust fluid) warning light were illuminated. The contact stated the vehicle started to go into limp mode. Read details...
Emissions code showed up on the dash display. Tried to fix the fuel filter and cleaned a sensor off and it still shows the emissions code. Read details...