NHTSA Complaint #11703278 — 2021 CHEVROLET TAHOE

POWER TRAIN issue reported to NHTSA

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Complaint Details

ODI Number	11703278
Vehicle	2021 CHEVROLET TAHOE
Component	POWER TRAIN
Date of Incident	October 29, 2025
Date Filed	December 5, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	FL

Consumer Description

Based on dealer inspection, oil was found sitting on top of the #2 piston, and you’ve indicated the failure is originating from the bottom end of the engine—likely involving piston, ring, or cylinder wall damage. Combined with the stored P050D, P0300, and P0302 codes, this represents a clear internal mechanical failure. Vehicle is currently at the dealership. Mechanical failure while driving the vehicle. Sensor light for service ESC and service traction control both showed as the failure was occurring.

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