NHTSA Complaint #11653926 — 2023 CHEVROLET TAHOE

POWER TRAIN issue reported to NHTSA

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Complaint Details

ODI Number	11653926
Vehicle	2023 CHEVROLET TAHOE
Component	POWER TRAIN
Date of Incident	April 10, 2025
Date Filed	April 10, 2025
Mileage	30,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	VA

Consumer Description

The contact owns a 2023 Chevrolet Tahoe. The contact stated while driving 25 MPH, the transmission unexpectedly downshifted with the check engine warning light illuminated. The vehicle was taken to the dealer where it was diagnosed and determined that the transmission valve body had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 30,000.

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