NHTSA Complaint #11693610 — 2010 CHEVROLET TAHOE

We purchased a 2010 Chevrolet Tahoe from a dealership in Wisconsin in 2022. In 2023, the vehicle’s transmission failed completely at only 128,000 miles. After researching the issue, I discovered that the 6L80E transmission installed in this model year has a long history of mechanical failures, particularly involving the torque converter and internal clutch packs. Numerous consumer complaints report identical failures, and GM has issued multiple service bulletins acknowledging related issues but has not initiated a recall. The repair shop diagnosed the problem as a failed torque converter and damaged internal clutch packs. There were no warning signs, one day the transmission functioned normally, and the next day it failed completely. This failure caused significant financial hardship. I paid over $5,000 for a full transmission rebuild using my credit card, resulting in ongoing interest charges and credit impact. I had to perform balance transfers to manage the debt and ease the financial burden. Given the widespread nature of this issue and GM’s acknowledgment of mechanical defects in the 6L80E transmission, I am requesting that GM reimburse repair costs and that regulators investigate the 6L80E’s reliability and safety to determine whether a recall or class action remedy is warranted.