Vehicle Speed Control Related Problems of the 2020 GMC Sierra 1500

Table 1 shows two common vehicle speed control related problems of the 2020 GMC Sierra 1500. The number one most common problem is related to the vehicle speed control (eleven problems). The second most common problem is related to the cruise control (one problem).

Table 1. Vehicle Speed Control related problems of GMC Sierra 1500

Problem Category Number of Problems
Vehicle Speed Control problems
11
Cruise Control problems
1

Recently reported Vehicle Speed Control problems of the 2020 GMC Sierra 1500

The Vehicle Speed Control problem

The vehicle in questions was purchased with less than 5 miles in year 2020. This vehicle was dropped off at mac haik chevolet madison ms on September 25, 2026. I was advised on September 28, 2026, that the vehicle was test driven with the scan tool connected, graph torque converter slip, found over   Read details...

The Cruise Control problem

The vehicle has made "panic stops" at highway speeds 5 times when using adaptive cruise control with no input from driver or surrounding environment I. E. . Clear road, no traffic, sun or no sun.   Read details...


Vehicle Speed Control related problems in other GMC Sierra 1500 model year vehicles:



☘ Sierra 1500 Service Bulletins
⚑ Sierra 1500 Safety Recalls
☤ Sierra 1500 Defect Investigations