DDEC VI SYSTEM The codes will continue to flash and repeat as long as the Diagnostic Request Switch is held in the ON position. Both CPC and MCM faults are included. Active Codes – The active codes will be flashed on the RSL (Stop Engine) in the order of most recent to least recent occurrence based on engine hours. Inactive Codes – The inactive codes will be flashed on the AWL (Check Engine) in the order of most recent to least recent occurrence based on engine hours. 50 All information subject to change without notice. (Rev. 04/08) DDC-SVC-MAN-0040 0704 Copyright © 2008 DETROIT DIESEL CORPORATION