I would check the connection between the strut and the Airmatic control module, here is a guide to help you and the wiring diagrams for the system so you can see how it works and which wires to test. If the connections are good, I suggest replacing the control unit.
https://www.2carpros.com/articles/how-to-check-wiring
I have included the Airmatic control module replacement instructions just in case. Check out the images (below). Let us know what happens and please upload pictures or videos of the problem.
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Friday, November 4th, 2022 AT 12:09 PM