Didn't get any responses on this. But, I did figure out what the
problem was. Replacing the key/ignition cylinder seems to have taken
care of the problem. Been driving it for 2 weeks in hot weather with
no problems. I believe there was a loose connection or the resistor
on the key wasn't making good contact with the two contacts in the key
cylinder. Because of the loose connection, the computer/vats module
sensed that the system was being tampered with. So, it disables
itself for several minutes. Hope this helps anyone else who has this
problem.
By the way, replacing the key cylinder requires removing the air bag,
steering wheel, and several parts with the steering. column area.
Its a real pain in the ass. Took me about 6 hours. If you've never
removed an air bag, its pretty easy. Just make sure you follow the
procedure in the manual to prevent accidental deployment of the air
bag. The hardest part was putting the spring-loaded steering wheel
lock back in place and installing the keepers. Also fi****ng the
ignition cylinder wires back through the steering column was pretty
difficult. The key and ignition cylinder cost $110. And, I had to
buy a steering wheel puller for $20. And, spend a Saturday afternoon.
Byron


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