Wayne,
As soon as I get back on Monday, I'll take a look and see what might be causing the problem. I do know that the boards have a thermistor that is supposed to self adjust the contrast based on temperature which helps cold and hot weather display. The fact that you brought it in the house to warm up and it started to display a little might mean there is a problem with the thermistor and it's not correctly sensing temperature.
As for getting stuck on the ID for the PCM, that's an odd one. I'll have to take care of that on Monday as well. I'm pretty sure that if the unit can read the PCM ID, then it should be able to continue through to the main display. Again, I wonder if the cold has anything to do with it??
Ever consider moving to the states where it's warmer??
Take care.
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