Power Train Related Problems of the 2018 GMC Yukon

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 (26 problems). The second most common problem is related to the automatic transmission control module (one problem).

Table 1. Power Train related problems of GMC Yukon

Problem Category Number of Problems
Power Train problems
26
Automatic Transmission Control Module problems
1

Recently reported Power Train problems of the 2018 GMC Yukon

The Power Train problem

Replaced the transmission two times at about $14,000. Need a new motor with an estimated replacement of $10,000.   Read details...

The Automatic Transmission Control Module problem

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...


Power Train related problems in other GMC Yukon model year vehicles:



☘ Yukon Service Bulletins
⚑ Yukon Safety Recalls
☤ Yukon Defect Investigations