GMC CHEVROLET Silverado 6500HD 2019 Owner's Manual page 288

Programmable
Parameters
Driver Door Status Usage
Remote PTO In Cab
Control
If the PTO factory preset
parameters do not match the
settings described above, then they
may have already been altered in
order to satisfy the requirements of
the installed PTO system and body
equipment.
The following PTO settings are also
offered via the vehicle customization
screens, which can be enabled by
your service technician. These
include the following parameters:
PTO Standby rpm
PTO Set 1 Speed
PTO Set 2 Speed
Tap Step Speed
PTO Engine Run Timer
Factory Setting
ENABLED
DISABLED
Driver Information Center (DIC)
Warning Messages
If the PTO indicator light does not
remain on, it indicates that not all
PTO enabling conditions have been
met. One or more of the following
DIC messages may display if the
PTO will not engage and the
appropriate action must be taken.
PTO: SHIFT TO PARK (P)
(Stationary mode only)
PTO: SET PARK BRAKE
(Stationary mode only)
PTO: PRESS & RELEASE
BRAKE (Mobile mode only)
PTO: RELEASE BRAKE TO
ENGAGE PTO
Driving and Operating
Minimum Value
DISABLED
DISABLED
PTO: REDUCE VEHICLE
SPEED
PTO: REDUCE ENGINE SPEED
PTO: DISENGAGE CRUISE
CONTROL
PTO: ACCELERATION UPON
BRAKE RELEASE
PTO: SERVICE PTO
PTO: SHIFT TO M1, M2 OR M3
(Mobile mode only)
Action Required Cleaning
Exhaust Filter Continue Driving
(DPF Only)
Action Required Cleaning
Exhaust Filter Must Continue
Driving (DPF Only)
287
Maximum Value
ENABLED
ENABLED