Operators Manual

Table Of Contents
NOTE: EPA10 and newer can be outfitted with an OEM smart dash which
does not require driver interaction to display malfunction lamps. Malfunction
lamps will display across the information screen if equipped.
Reading Fault Codes
NOTE: EPA07 only function.
To read the fault codes, press and hold the Stop Engine Override / Diagnostic
Request Switch.
Active codes will be flashed on the RSL (Stop Engine) first, followed by inactive
codes being flashed on the AWL (Check Engine). 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.
Detroit Diesel Electronic Control System Features
The electronic engine control system offers a variety of features and options
designed to warn the operator of any engine or Aftertreatment System (ATS)
malfunction. Options can range from warning panel lights to automatic reduction in
engine power followed by automatic engine shutdown. The electronic engine
control system has the ability to perform diagnostics for self-checks and
continuous monitoring of other system components.
Detroit Diesel Electronic Controls (DDEC) System
68 All information subject to change without notice.
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