Complaint 2195898
2021 CHEVROLET TAHOE • POWER TRAIN • incident Apr 5, 2026
- Complaint ID
- 2195898
- Make
- CHEVROLET
- Model
- TAHOE
- Model Year
- 2021
- Component
- POWER TRAIN
- Incident Date
- Apr 5, 2026
- Date Received
- Apr 12, 2026
- Data As Of
- Jul 1, 2026
Complaint Summary
POWER TRAIN
Owner Narrative
The component at issue is the engine, which suffered a sudden and catastrophic failure due to unknown causes. At no time prior to this incident were there any warnings, symptoms, or indications of an underlying mechanical defect that would have allowed for preventative action. While operating the vehicle on the highway with my family present, multiple warning indicators activated simultaneously, including a blinking check engine light, traction control light, ESC warning, and a forward collision warning. Immediately thereafter, the vehicle experienced a rapid and significant loss of power accompanied by a loud and persistent engine knocking noise, rendering the vehicle unsafe to operate and placing the occupants at risk. It is important to emphasize that traction control and ESC systems are not causally related to an engine misfire condition, further supporting that this event was abrupt and not part of a progressive or diagnosable issue. A diagnostic scan performed at that time identified a misfire in cylinder 1. Upon delivery of the vehicle to the dealership for inspection, it was determined that the engine had suffered complete internal failure and was deemed âblown.â This finding confirms the occurrence of a catastrophic mechanical breakdown. Based on the sudden onset, absence of prior warning, and severity of the failure, there is no reasonable basis to attribute this condition to normal wear and tear, operator misuse, or neglect. Rather, the facts support the conclusion that this was the result of a latent defect or internal mechanical failure beyond the operatorâs control. Accordingly, this matter should be addressed under applicable warranty coverage or consumer protection standards.
Owner-submitted narrative on file with NHTSA. Complaint narratives are self-reported and have not been verified.
Related
Data sources & freshness
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Vehicle recall campaigns, defect investigations, and consumer safety complaints (SCRS).
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