0815923

Flash: Air Suspension Control Module (ASCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC). ? U0300-00 - Internal Control Module Software Incompatibility-. Customers may experience one or more of the following: ? Manual leveling requests are inoperative. ? Vehicle will raise to off-road 2. This bulletin involves reprogramming the ASCM with the latest available software.