2002 Tahoe AC stuck on program/learn mode

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JonWilder

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This is my best guess as it hits trouble codes for all three actuators stating they are out of range and they continually cycle like they’re in that learning mode, just don’t ever stop. I’ve replaced two of the three that I can reach, one by the gas pedal for direction of air flow and the other underside for the blend door. I’ve also replaced the very expensive controller. I’ve attached a pic of this since it’s not the digital one.

I’ve googled the **** out of this issue and can’t find anyone else with the same symptoms. I’ve pulled the fuse and disconnected the battery. Any other ideas? TIA


controller.JPG
 

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