You're welcome for the read.
And I hope the next time your car needs the battery replaced, in a few years, your ASL brought back to life unit hasn't suffered the same fate again, that all these units are tragically heading towards.
(Someone on ebay was selling an FG2
ICC with a "Repaired by ASL" sticker on it, saying it's been fixed, so is now immune to the black screen problem, but I'm not sure why they thought that would be the case. We don't know what they do to them, if anything other than reloading the firmware.)