OK that sensor looks like the right one.

If you unplug the sensor plug and turn on the ignition does the fan come on high speed? I'm wondering if there's a short in the wiring someplace between the sensor and the climate control head.

-J

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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket

Tesla Model 3. 205,000 miles. Been to 48 states!
Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels.
2014 Cadillac ELR
2013 Fiat 500E.