Hi,
Do you have automatic or manual climate control? You should have dual climate control which indicates there should be two actuators. Does it happen on both sides of the vehicle?
Do me a favor. Try the relearn procedure listed below in pic 1. If that does nothing, we need to move on to testing.
As far as the issue is concerned, if I had your vehicle, I would start by scanning the can-bus system. This vehicle has several computers/modules that control different functions and determine if there are diagnostic trouble codes stored (other than powertrain), this needs to be done.
CAN stands for controller area network. As mentioned, there are multiple modules. Basically, the different modules are tied together via a few wires. This type of scan will retrieve codes regardless of the module storing them.
Here is a link that shows how it's done.
https://www.2carpros.com/articles/can-scan-controller-area-network-easy
Let me know what you find
Joe
See pic below.
Image (Click to make bigger)
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Sunday, April 23rd, 2023 AT 8:31 PM