19
Operation
Clutch Abuse Protection
• Clutch Abuse Protection alerts the driver that the clutch is overheating
due to improper use. When a Clutch Abuse Protection event occurs, a
“CA” is indicated in the gear display and/or a clutch temperature mes-
sage is shown on the dashboard display and an audible tone may be
emitted. During a Clutch Abuse Protection event only 1st and R1 gear
launches are allowed; Urge to Move and Creep Mode may be disabled.
• When a Clutch Abuse Protection event occurs, safely and immediately
discontinue the vehicle operation that is being performed which is
causing the increased clutch temperature. Depress and hold the vehicle
service brake, or apply the vehicle parking brake, and idle the engine
until the clutch temperature message is no longer indicated.
Note: Gear display indicators, messages, and tones will vary based on how
the transmission system features and functions are configured in the
Transmission Control Module (TCM) and how the OEM has implemented
them. Refer to OEM for more information on the dashboard display.
Note: The default configuration for this feature in the TCM is Disabled. The
configuration can be changed using ServiceRanger.
NOTICE: Allow the engine to idle, shutting off the engine prolongs the con-
dition. In most cases, the transmission system will recover and towing the
vehicle is not required.
Follow the recommendations below to avoid increased clutch temperature:
• Prior to low speed maneuvering select the lowest available start gear
for Drive (1st) or Reverse (R1) using the transmission driver interface
device.
• During operation on a grade:
- Bring the vehicle to a stop, depress and hold the vehicle service
brake until vehicle movement is required.
Note: Avoid using the vehicle accelerator pedal to hold the vehi-
cle.
- The transmission system Hill Start Aid (HSA) feature will request
the vehicle electronic brake system to apply the vehicle founda-
tion brakes for approximately 3 seconds when the driver is transi-
tioning from the vehicle service brake pedal to the vehicle
accelerator pedal.
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