NHTSA Complaint #11684809 — 2021 CHEVROLET TAHOE

POWER TRAIN issue reported to NHTSA

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Complaint Details

ODI Number	11684809
Vehicle	2021 CHEVROLET TAHOE
Component	POWER TRAIN
Date of Incident	August 28, 2025
Date Filed	September 3, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	NY

Consumer Description

Rapid deceleration at 55mph on highway, followed by console message "reduced acceleration" with check engine light. Fortunately rolled into dealer within a mile. After analysis, they stated the transmission valve body and electronic control component needs replacement over $3,000. after tax. No warning signs prior. NTSB recall N24254441 covers only diesel engines not gas with same problem in 10 speed transmission.

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