NHTSA Complaint #11535302 — 2008 GMC ACADIA

POWER TRAIN issue reported to NHTSA

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Complaint Details

ODI Number	11535302
Vehicle	2008 GMC ACADIA
Component	POWER TRAIN
Date of Incident	May 10, 2023
Date Filed	July 30, 2023
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	AL

Consumer Description

Check engine light came on for the TCM. Car has had issues shifting (very rough shifting) and the manual shift option does not work. Was told the TCM had to be replaced. Attempt was made to replace it with a refurbished TCM but that couldn't be programmed to the car. Was then told I would have to buy a brand new one, which is very expensive, and that there was no guarantee that would fix the problem. Car can not be driven over 20mph without risking burning up the transmission. Car also jerks forward very hard when trying to gently accelerate.

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