GMC TSB #PIT5639B
2020 GMC Sierra 1500
Affected Component: ELECTRICAL SYSTEM
- Summary
- This Preliminary information communicates information to not make any repairs for momentary  camera flicker when brake light, turn signal, or hazards are active with radio RPO IOR.  GM engineering is working on a resolution for this concern. This PI will be deleted and a bulletin created when a repair is available.Â