SierraBR

Bought 2020 Sierra SLT with 5.3L eight days ago. Love it. Odometer just hit 500. This afternoon on a short drive the check engine light blinked for about a minute then went away. Am going to watch for any other occurrences until Monday when I can use a scan tool at work to check code history. I am surely hoping this is not the beginning of a drawn out saga like you’re having, @SierraNoob. Following this thread...