GENESIS AIR BLOWER MOTOR NOT WORKING

[Johnperk]

I have a 2022 Genesis G70 3.3. My blower motor stopped working all of the sudden. I figured the blower motor was bad so I replaced it. That didn't work. However, I hooked up the old blower motor straight to a 12 volt battery and it came on. Then I research and figured it might be the resistor. I replaced the resistor. That still didn't work. I checked the fuses and relay. They are all good. I unplugged the blower and put a meter on it the incoming power. I am getting 3.7 volts dc on all the speeds. When I turn off the air completely, I get 12.5 volts. (weird, I know), but nothing happens. I can barely feel cold air coming out of the vents when I drive the car and put it on external vent. So I know the air conditioning is working, its just not blowing. There is no melted wires that I can see, the multi fuse is also good and doesn't have any melted places. After a week without air blowing, I crank my car this morning and it started blowing again. However after I got to work and turned the car off, it would not come back on. Does anyone have any clue what is going on? I am lost.

 

[Glasman888]

Check the blower motor transistor. It's a common failure point on these cars and acts like a variable resistor. The low voltage you're reading points directly to it.

Since it's a 2022, also have the HVAC control module scanned for codes. An intermittent fault there can cause this.