Quote:
Originally Posted by IISevv
The cooling system along with a few other electrical components all talk over the same signal bit connection. If there’s a problem with one, it can cause communication faults along the line. And, the fan doesn’t just come on when coolant temps get too high. It’ll also come on if it detects a fault in the water temp or thermostat signal.
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Right, that's why it doesn't make sense to replace the fan. I have no other codes for coolant sensors or anything though.