Table 1 shows one common seats related problems of the 2015 GMC Sierra 3500.
| Problem Category | Number of Problems |
|---|---|
| Front Seat Power Adjust problems |
1st incident veh didn't switch from 4 to 2wd, stop veh, work switch, went to 2wd. Same time driver seat went full forward, seat back full forward, brake pedal full towards driver. Able to readjust, onstar said various electrical - believe modules- problem. Was able to drive, took to dealer, unable to replicate. Few months later adjusted gain on electric trailer brake control - while in motion. Same proplem, seat and seat back full forward, brake pedal full towards driver. Luckily I knew what was happening and wasn't startled. 4wd control @ gain control above each other, left side of dash. No other trbl with veh. A 2015 GMC 3500 crew cab 4wd diesel long box, numerous options including heated-cooled leathe power seats & power adjust pedals. Both pedals moved together towards me. Mileage 1st time, less than 10,000 2nd time less than 13,000.