Table 1 shows one common communication related problems of the 2026 GMC Sierra 1500.
| Problem Category | Number of Problems |
|---|---|
| Manufacturer Telematics problems |
The contact owns a 2026 GMC Sierra 1500. The contact stated that while hauling a trailer and making a left turn at 5 mph, at a busy intersection, the message "shift to park" displayed, and the vehicle lost motive power. The vehicle was restarted. The contact stated that the failure was persistent. The local dealer was notified of the failure by phone. The vehicle was taken to the dealer, where it was diagnosed that the telematics module had failed and needed to be replaced. The vehicle was repaired. The failure mileage was approximately 3,900.