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  1. S

    2013 LTZ HVAC Mode door actuator Issues

    I can stop and turn the vehicle off. let it sit for a while say 30 minuets start up and all will be fine for an hour or so. I have left the vehicle running and observed the mode door actuator moving to comanded poditions with no change. I have verified that the recirculation door is working...
  2. S

    2013 LTZ HVAC Mode door actuator Issues

    Automatic control
  3. S

    2013 LTZ HVAC Mode door actuator Issues

    i put known good control in other vehicle and works fine.
  4. S

    2013 LTZ HVAC Mode door actuator Issues

    I did replace controller with a known good one no change in problem.
  5. S

    2005 Yukon: The dreaded blend door question(s) - Loud behind glove box

    Have you found a soultion? I am having the same issue in a 2013. Did the recirculation actuator fix the issue?
  6. S

    2013 LTZ HVAC Mode door actuator Issues

    on my 2013 the mode door actuator will move withot input from control. I have verified that the mode doors move freely and that it is not a mechanical issue with the mode doors. No matter what setting the HVAC control is in Defrost,feet face hot or cold or any combination the system wiil work...

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