Yeah - I believe it only works with the AC on and the vents in the dash position.
So, it appears that the recalibration by unplugging the battery has solved my issue for now. I will keep an eye on it over the next week, hopefully the luke-warm air doesn't return.
I don't think I am going to buy a Tech clone. Are there cheaper options?
The heat seemed to work better on my commute this morning. But it is just a guess at this point. This is only my 2nd winter with the Tahoe, but I seem to think it was better last year. Or, I could just be nutso.
Went on a short ride. Heat seems to be working much better after the re-initialization.
Not sure how it got out of calibration. I will report back in the morning after 10 hours of sitting in ~30 weather.
Not sure if I should order an actuator and change it out before winter. But the repair...
Okay - both hoses are hot entering/exiting the cab. Did a reset of the system by disconnecting the battery.
I also noticed that the recirc button flashes 3 times when pushed. Does this only work in certain modes? I checked "auto" and a few manual vent positions - same result
Unfortunately it is dark and cold when I get home from work, lol. But, I will pull the shroud covering the fan motor tonight under the glovebox. Will I be able to see the actuator move visually?
2011 Tahoe LT Dual zone with rear heat...
Concerns: The temperature coming out from the floor/vents/defrost isn't very hot.
What am I looking at here? Actuator?
The volume of air moving seems proper, the controls to move positions (floor/dash/defrost) works.
I have ordered a new...
These fans are very loud on high - WHEN EVEN ONLY ONE IS RUNNING!!!
When I changed my radiator, I didn't plug the driver's side in all the way. If your "fans" are loud, I would first visually check to see if they are both running. The computer must sense a fault and kick the other side into...
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