Flash: Air Suspension Control Module (ASCM) System Enhancements
This Bulletin involves updating the (ASCM) software.
A customer may describe the following:
Cluster stays awake after ignition is turned off for 10 minutes or more.
False message ?Battery Voltage Low - Start Engine to Change Ride Height? which appears in the Electronic Vehicle Information Center (EVIC). This condition may
occur when the vehicle is first started and the suspension is switched from alternate trailer ride height to normal ride height.
