Black plate (43,1)
Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - CRC - 6/5/14
Driving and Operating
9-43
Conversions and
Add-Ons
Power Take-Off (PTO)
The PTO is an upfitter integrated
system that allows the user to
create an auxiliary power source for
running add-on equipment, such as
salt spreaders, snow plows,
winches, and lift buckets. The PTO
system controls engine speed to
values higher than normal base idle,
PTO load relay engagement, and
remote starting and shutdown of the
engine.
Primary PTO Operating Modes
PTO modes of operation include:
.
Preset PTO Mode (Stationary
operation only)
.
Variable PTO Mode (Stationary
and mobile operation)
The PTO stationary mode provides
both in-cab and remote controls.
The in-cab controls are enabled as
the factory preset. The remote
controls are disabled. This factory
preset configuration can be
programmed to enable the remote
controls, and/or disable the in-cab
PTO controls. See your dealer for
more information.
PTO Sub-Modes
The primary PTO modes have the
following sub-modes:
.
Engine speed control, PTO load
relay engagement/
disengagement
.
Remote engine start and
shutdown (Stationary
operation only)
PTO Engage/Disengage
Conditions
Engage Conditions
–
Stationary PTO
To engage stationary PTO
operation, the following conditions
must be met:
.
The engine must be running.
.
The vehicle cannot be moving
and the parking brake must
be set.
.
The shift lever must be in
P (Park).
.
The brake pedal must not be
pressed.
For in-cab PTO operation:
Press and release the PTO switch
located below the climate controls in
the center of the vehicle instrument
panel. The PTO indicator light, on
the tachometer, will blink fast until
the PTO load becomes engaged.
The indicator light will then be on
steady. The SET
–
and +RES cruise
control buttons can then be used to
establish the desired PTO operating
speed.
For remote PTO operation:
Press and release the PTO remote
arm switch, then within
five seconds, press and release the
PTO remote engine start/shutdown
switch. The PTO remote set switch
can then be used to establish the
