Hi alle6244, The service ride control message comes on when there is a problem with your electronic suspension. there are many different components in this system that can be causing your problem such as the air pump, shocks, ride height sensors, solenoids and much more. The first thing you should do is have your Yukon scanned using a scan tool which will allow you to pinpoint the problem. Then depending on the result of the scan we will be able to further assist you in repair. Thanks and good luck

Answered by 2CarPros Linsey
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