Operators Manual

Table Of Contents
Aftertreatment System Driver Notifications and
Actions
NOTE: Examples are shown as EPA07; all notifications and driver actions
will be the same on the DD platform. If it is determined a parked
regeneration is required, reference model year specific section: "Performing
a Parked Regeneration".
High Exhaust System Temperature Lamp
Table 14.
Instrument Panel Lamp
Notifications and
Description
Driver Action
High Exhaust System
Temperature (HEST)
lamp
SOLID: Exhaust is at high
temperature and vehicle
is at low speed or parked.
FLASHING: A parked
regeneration is in process
and the system is not up
to temperature.
No change in driving style
required.
When parked, keep
vehicle at a safe distance
from people and
flammable materials or
vapors.
Malfunction Indicator Lamp
Table 15.
Instrument Panel Lamp
Notifications and
Description
Driver Action
Malfunction Indicator
Lamp (MIL)
Indicates a failure of an
emission control device.
May illuminate at the
same time as the Check
Engine Lamp (CEL).
Vehicle can be driven to
end of shift. If the MIL
remains on after three drive
cycles, call for service.
Aftertreatment System Driver Notifications and Actions
110 All information subject to change without notice.
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