One problem related to navigational (global positioning system) gps has been reported for the 2026 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2026 GMC Sierra 1500 based on all problems reported for the 2026 Sierra 1500.
The infotainment system keeps having the sound completely shut off. The radio, gps, blinker system sound will not work.
| Equipment problems | |
| Navigational (global Positioning System) Gps problems |