Table 1 shows two common power train related problems of the 2018 GMC Yukon. The number one most common problem is related to the power train (23 problems). The second most common problem is related to the automatic transmission control module (one problem).
| Problem Category | Number of Problems |
|---|---|
| Power Train problems | |
| Automatic Transmission Control Module problems |
The 2018 Yukon has been at the dealership several timeswaiting for a valve body for the transmission. There are valve body recalls for other year gm vehicles with the same transmission, but not for the 2018 model even though it appears to be the same part number. Read details...
The contact owns a 2018 GMC Yukon. The contact stated that the message "transmission hot - idle engine" was intermittently displayed. The vehicle was taken to the dealer, where the tcm was reprogrammed, and the thermostat and the water pump were replaced; however, the failure persisted. Read details...