I have some thoughts:

Items 3-9 sound a lot like system-voltage-induced errors that are common with our cars. BUT, generally, this will not cause drivability issues.
Unstable system voltage does cause a LOT of weird errors related to the BAS/ESC system. For these symptoms:

Replace the battery today.
Made damn sure the battery cable clamps are clean and tight. If you suspect the internal part of the battery clamp(s) are corroded, change the cables.
Put in James' redundant ground mod, DO NOT do my mod, do HIS. https://www.crossfireforum.org/forum...le-engine.html

Other than that, I'd be talking to the person who did the tune about those other items.