GMC TSB #PIT5320
2014 GMC Sierra 2500
Affected Component: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that the navigation voice feedback is choppy, distorted, or garbled. Technician will need to press Settings, Voice, Audio Feedback Speed, and verify speed is set to Medium.