GMC TSB #PIC-6187-A
2016 GMC Sierra 1500
Affected Component: EQUIPMENT ADAPTIVE/MOBILITY
- Summary
- THIS PRELIMINARY INFORMATION COMMUNICATION IS TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER. THE CUSTOMER IS UNABLE TO SELECT RADIO PRESETS FROM THE USB OR SD CARD AS THEY ARE GREYED OUT.