Table 1 shows two common power train related problems of the 2015 GMC Sierra 2500. The number one most common problem is related to the power train (six problems). The second most common problem is related to the automatic transmission control module (two problems).
| Problem Category | Number of Problems |
|---|---|
| Power Train problems | |
| Automatic Transmission Control Module problems |
The truck is a 2015 GMC Sierra 2500 hd. With less than 51,000 miles, the transmission is gone due to a design flaw. Around March 8th, the transmission went out when I hydroplanned on a two lane road. Haley GMC airport was wanting $6700 for a new transmission. Read details...
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). Read details...