Diesel Particulate Filter Warning Light; Air Filter Restriction Indicator - Chevrolet 2009 Kodiak Owner's Manual

Diesel Particulate Filter Warning
Light
These lights will come on briefly when the ignition is
turned to ON/RUN. One of these lights will come on
green during DPF regeneration. If the other light comes
on yellow, perform a manual regeneration or drive the
vehicle for automatic regeneration. If the light changes
from yellow to red, the DPF requires an immediate
regeneration. If the DPF is not regenerated, the service
engine soon light will come on and engine power will be
reduced.
See Diesel Particulate Filter on page 2-46 and Reduced
Engine Power Light on page 3-42 for more information.
3-46
Your vehicle may have two
Diesel Particulate Filter
(DPF) Warning lights.

Air Filter Restriction Indicator

As the filter gets dirty, the yellow indicator will begin to
rise. When it reaches the red/orange change area,
the filter should be replaced.
After replacing the filter, reset the gage by pressing in
the yellow reset button at the bottom of the gage.
If you have a Caterpillar
®
Caterpillar Operation & Maintenance Manual.
If your vehicle has this
feature, the gage is located
above the switchbank in
the center of the instrument
panel. It monitors the
engine air filter.
®
diesel engine, also see your