Table 1 shows two common power train related problems of the 2020 Chevrolet Silverado 3500. The number one most common problem is related to the power train (13 problems). The second most common problem is related to the automatic transmission control module (two problems).
| Problem Category | Number of Problems |
|---|---|
| Power Train problems | |
| Automatic Transmission Control Module problems |
The transmission, without warning, intermittently locks the rear wheels when towing a 13,500 lb 5th wheel RV. It occurs when going uphill and the transmission downshifts to maintain torque. The "d" on the gear indicator on the dashboard also flashes 3-5 times. Read details...
VIN: [xxx] make/model/year: 2020 Chevrolet Silverado 3500hd, duramax l5p, allison 10l1000 recall: n242454440 / n242454441 (NHTSA 24v797) description: vehicle had n242454440 completed may 2026 (tcm software update for harsh shift / wheel lockup). Read details...