Po481 fans run but won't cycle to high and it's overheating.
Nov 1, 2022 at 10:56 PM
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JACOBANDNICKOLAS
✓ASE Certified Mechanic
110,194 POSTS
Hi,
This could be the result of a few different things. It's likely an open circuit in the cooling fan high relay circuit.
If you look below, I provided the diagnostics specific to your vehicle and the code you provided. Take a look through them and let me know if you are comfortable performing them.
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