Complaint 2240288
2020 CHEVROLET SILVERADO 1500 • UNKNOWN OR OTHER • incident Jul 20, 2026
- Complaint ID
- 2240288
- Make
- CHEVROLET
- Model
- SILVERADO 1500
- Model Year
- 2020
- Component
- UNKNOWN OR OTHER
- Incident Date
- Jul 20, 2026
- Date Received
- Aug 27, 2026
- Data As Of
- Sep 1, 2026
Complaint Summary
UNKNOWN OR OTHER
Owner Narrative
Vehicle: 2020 Chevrolet Silverado 1500 4x4 LT (5.3L V8 Engine) Component: Engine (Piston Rings, Lifters, and Motor Assembly) / Powertrain Component Availability: Yes, the failed components/vehicle are available for inspection upon request. What Happened and Safety Risk: While operating the vehicle on Prince Street in Clovis, NM, the engine suddenly began knocking violently without any prior warning or symptoms. Immediately following the mechanical failure, dashboard warning lights illuminated (including the Check Engine light, ABS, and Traction Control) and the vehicle dropped into "Reduced Engine Power" mode. This caused an immediate and hazardous loss of acceleration on an active roadway, forcing an emergency maneuver to navigate out of traffic and pull over safely. This sudden powertrain failure poses an unreasonable and severe safety risk to the driver and surrounding traffic. Confirmation and Inspections: The mechanical failure has been confirmed and diagnosed by Hamilton Chevy in Portales, New Mexico, and Sanders Repair Services in Portales, New Mexico. The vehicle and components have not been inspected by the manufacturer, police, or insurance representatives. There were no warning lamps, messages, or symptoms of any kind prior to the sudden failure.
Owner-submitted narrative on file with NHTSA. Complaint narratives are self-reported and have not been verified.