I recently replaced all 4 of my autoride shocks with Bilstein 5100 shocks. To turn off the "Service Suspension" DIC message, I installed a resistor on each of the wires that used to connect to the Autoride shocks.
The resistors are: 3.9 Ohm 25 Watt 5% wire wound. I bought these on Amazon.
Here is where I prepped the resistors by soldering and heat shrinking some wire on to each side:
View attachment 71443
Then I cut the connectors off each wire that used to connect to the Autoride shocks and connected one resistor in each of the 4 corners of the truck. I heat-shrunk all of the connections to protect against water etc.
An example of the front driver side:
View attachment 71444
An example of the rear passenger side:
View attachment 71445
Then I tucked them up into safe spots and zip-tied them to the frame.
This has successfully turned off the DIC message for me.