I do backup chips when I can but never got to this job. The route mechanic did have all the parameters backed up though. I used to use a higher end programmer but a few years ago tried a cheep Chinese one because it’s very small, like 2” x 3” x 3/4,” and USB powered. I love it and have been using it ever since. I’ve yet to find any chip it doesn’t work on and it’s fast. For anyone interested it’s the TL866ii Plus and you can get it on Amazon for $60.