Tahoe cooling fans on high
#1
Tahoe cooling fans on high
I have a 2011 Tahoe LTZ, and recently my check engine light came on and stayed lit. One of my fans (passenger side) stays on high from the minute I turn on my key to accessory, and stays on even if the AC is off. I have replaced the fan motor relay and it still stays on high. Ideas?
#5
the pcm senses and open in the fan circuit
the 2 fans are controlled by 3 relays. the relays are used to get fan speed variations. start by checking the fan fuses and relays. disconnect the non functioning fan electrical connector and supply it power and grd...if it doesn't spin...replace the fan motor.
ok just saw your post after i already posted this
the 2 fans are controlled by 3 relays. the relays are used to get fan speed variations. start by checking the fan fuses and relays. disconnect the non functioning fan electrical connector and supply it power and grd...if it doesn't spin...replace the fan motor.
ok just saw your post after i already posted this
Last edited by tech2; October 20th, 2017 at 8:41 PM.