The problem is the solution. Generally when a Mother board goes bad you will need a new one.
The only positive I can think of is when you have the option to remove and replace parts that can be taken out to be put onto a new Motherboard.
what happens if the transaxle range sensor goes bad?
What?
What happens when a 1989 buick reatta fuel filter goes bad?
When the oxygen sensor goes bad, the check engine light goes on.
do you have a heatpump or a/c? if it is a heat pump you can,that is what happens when the system goes in to the defrost mode. if its freezing you could be low on charge or or bad defroster board or even worst a bad reverseing valve.
motor won't start.
you cant steer
it happened in bonerville
It it used to regulate the blower motors speed. If this goes bad, you will completely lose function of a certain speed, or overall. If this happens, you will need to replace the switch and or board.
it gets gushy and smoshy and nasty
It mutates and you a transformed to Borg.
It breaks.