This could be a problem with your Height Select Switch. To make sure of this, I have included in the diagrams down below a comprehensive troubleshooting flowchart for your vehicle's height control system. Please go through them and get back to us with what you find out. We have step by step instructions for repairing the system available once we determine the problem.
Images (Click to enlarge)
Monday, March 4th, 2019 AT 8:29 PM