Chevrolet Silverado 4500HD 2022 Owner's Manual page 258

256 Driving and Operating
Variable Enable Conditions Remote
Operation In-Cab Enable Starting Remote
Operation from In-Cab
This requires programming with the GM
Service Tool and remote switch panel
provided by GM Upfitter.
1. With the engine running, shift the
vehicle into P (Park), release the brake
pedal, and set the parking brake.
2. Confirm cruise control is off.
3. Confirm the hood is closed.
4. Press and release the PTO in-cab switch.
5. The horn will chirp, the PTO load relay
will engage, and the engine will advance
to the PTO Standby Speed.
The operator may exit the vehicle.
Warning
If the key is in the ignition during
Remote PTO operation, the vehicle can be
shifted out of P (Park) by an
unauthorized operator. Even though PTO
will be disengaged, depending on PTO
Upfitter application, personal injury or
property damage may result from vehicle
movement. The operator must ensure
Warning (Continued)
that the vehicle is secured against
unauthorized access during Remote PTO
operation.
The accelerator pedal is disabled when
Remote PTO operation is selected.
Remote PTO operation can be ended by
pressing the brake pedal. The PTO load relay
disengages and the engine returns to base
idle speed. The vehicle may be driven after
the parking brake is released.
The desired engine operating speed can
now be accomplished. Two versions of
engine rpm control are available, switches
or potentiometer, depending on which
one was installed.
Switches
Resume switches can be used to tap up
and tap down to the desired engine
speed.
Potentiometer
Potentiometer can be used as a
continuous variable throttle control to
dial in the desired engine speed.
(Continued)
the Remote PTO Set and
a Remote PTO Throttle
Variable Enable Conditions OSIM
This requires programming with the GM
Service Tool and specific pairing of
stationary variable and mobile modes.
Remote operation is not available.
If OSIM pairing has been configured, initiate
OSIM stationary variable operation:
1. With the engine running, shift the
vehicle into P (Park), release the brake
pedal, and set the parking brake.
2. Confirm cruise control is off.
3. Confirm the hood is closed.
4. Press and release the PTO in-cab switch.
The PTO indicator light will blink slowly.
5. Within 10 seconds, press and release
SET on the cruise control. The PTO load
relay will engage and the PTO indicator
light will change to solid. The engine
speed will advance to the PTO Standby
Speed.
6. The desired operating speed may be
achieved by tapping up and down with
+RES and SET on the cruise control.