freightliner M2 Plus 2023 - Page 55

Telltales, Indicator Icons, and Messages
Diesel Exhaust Fluid (DEF) and Diesel Particulate Filter (DPF)
Telltale Color Description Related Messages
Amber
Diesel Particulate
Filter (DPF) Status
Solid illumination indicates a regen is
required. Change to a more challenging duty
cycle (such as highway driving) to raise
exhaust temperatures for at least twenty
minutes, or perform a parked regen.
Blinking indicates that a parked regen is
required immediately. An engine derate and
shutdown will occur.
f61140106/10/2016
ICUC Caution
Amber
Diesel Particulate
Filter Inhibited
Green
Diesel Particulate
Filter Regeneration
in Progress
Indicates a regen is in progress.
Amber
High Exhaust
System
Temperature
(HEST)
*
Slow (10-second) flashing indicates a
regeneration (regen) is in progress.
IMPORTANT: When the HEST lamp is
illuminated, do not park the vehicle near
objects that can be harmed by high
temperatures or flammable materials.
Solid illumination indicates high exhaust
temperatures at the outlet of the tail pipe
when speed is below 5 mph (8 km/h).
Amber
Low Diesel Exhaust
Fluid
Indicates low diesel exhaust fluid.
Fill the DEF tank.
See
Chapter 13 for an
explanation of the after
treatment system (ATS)
warnings, and actions
required to avoid further
engine protection steps.
Amber
Low Diesel Exhaust
Fluid
Alternative icon to indicate Low Diesel
Exhaust Fluid.
Fill the DEF tank.
See
Chapter 13 for an
explanation of the after
treatment system (ATS)
warnings, and actions
required to avoid further
engine protection steps.
Table 3.12, Diesel Exhaust Fluid (DEF) and Diesel Particulate Filter (DPF) Related Icons
Instruments
3.34