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The light bar was on before the repair and had no problems.  The mechanic said the "temp flashing" isnt a problem as long as the number are white in color.  Once they go yellow and then to red there is a problem and then the truck will start the cooling down process.  Even the field engineer said there is no problem and the new program has increased the parameters.  Apparently the truck has a little more power now with this new program.  I really have no clue.  This is just what, so far, everybody at the dealership has been telling me.