NHTSA Complaint #11546705 — 2015 GMC SIERRA 2500 POWER TRAIN

Complaint Details

ODI Number	11546705
Vehicle	2015 GMC SIERRA 2500
Component	POWER TRAIN
Date of Incident	September 3, 2023
Date Filed	September 26, 2023
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	TX

Consumer Description

Shifting started to make a loud clunking sound. Then the vehicle wouldn't shift out of 3rd gear. The engine check light came on and the code determined it to be a faulty transmission control module (TCM). When looking at the TCM, I also noted that the TCM was very hot and the nearby cable cover had melted. When researching the issue, it was discovered that GMC Sierra 2500 and 3500, years 2009 - 2015 were having this same issue all over the continent. Resulting in a massive back order and leaving drivers stranded. There was no warning lights or sounds before my power train froze up.

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