Table 1 shows two common electrical system related problems of the 2021 Chevrolet Suburban. The number one most common problem is related to the electrical system (16 problems). The second most common problem is related to the 12v/24v/48v battery (one problem).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| 12v/24v/48v Battery problems |
Had an engine replacement in Dec of 2025 and had to pay for it since wasn’t under warranty or recall. And now my replacement engine which has a warranty now. Just failed in March 2026 which about 3 months later. Had metal shavings in engine and multiple cylinders misfiring. Read details...
The contact owns a 2021 Chevrolet Suburban. The contact stated that while driving 45 mph, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended, and the vehicle decelerated unintendedly. Additionally, the vehicle failed to exceed 42 mph. Read details...