Ride Height Adjustments

SPECIAL TOOLS CHART

Vehicle Communication Module (VCM) and Integrated Diagnostic System (IDS) software with appropriate hardware, or equivalent scan tool

NOTE: The vehicle ride height must be set to the correct dimensions to prevent vehicle damage.

NOTE: Incorrect air suspension ride height can be caused by an air suspension system that is incorrectly set.

NOTE: The Vehicle Dynamics Module (VDM) has a preprogrammed trim height.

NOTE: The vehicle must be on a level surface, such as a drive on alignment hoist.

Position the vehicle on a level surface.
Using the vehicle message center, verify that the air suspension is in the ON mode. For additional information, refer to Air Suspension System Disable/Enable in this service information.
Using the scan tool, run the accurate trim test.
Measure the ride height. For additional information, refer to SUSPENSION SYSTEM - GENERAL INFORMATION .
If the ride height is not within specification, use the scan tool to vent or fill the air suspension to the correct dimension.
Using the scan tool, save the vehicle trim height for both sensors.