0219 means engine overspeed, so it looks like your trans has in fact
0633 indicates SKIM Key Not Programmed in PCM
I'm not familiar with the second code, Tom Lawrence has an 03, if he doesn't
chime in shortly, ping him or email him.
"There are four boxes to be used in defense of liberty:
My guess would be her truck wasn't equipped with the Sentry Key system, and
that code is just always there. That, or the PCM lost it's secret key, and
therefore the Sentry Key system isn't working (ie. any old key will start
the truck). I might mention it to the dealer when it's in, but it's not
part of this particular problem.
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