GMC TSB #PIC6177B
2016 GMC Sierra 2500
Affected Component: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
- Summary
- This Preliminary Information communication provides the technician with information on vehicles with navigation radio Regular Production Option Code IO6 or UY4 that defaults to West Virginia instead of Virginia on a manual entry. General Motors engineering is currently working on a solution for this concern.