User Manual

A fault with transmission.
(Refer to transmission manual)
Diesel Particulate Filter (DPF)
W
arning Light
This icon and related message will appear
when the DPF needs to be regenerated
and then also during the regeneration
cycle. This may also appear if the system
is attempting to automatically regenerate
while the vehicle is in Power T
ake Off
operation mode.
Engine aftertreatment system includes a
diesel particulate filter and DPF warning
light.
Differential, Inter-Axle Lock
Illuminates when the inter-axle differential
switch is ON thus locking the inter-axle
dif
ferential. This powers the forward rear
and the rear rear differentials equally.
When the switch is turned off (inter-axle
differential unlocked) the engine power is
allowed to flow to any of the four drive tires
based on the differential effect (mostly to
the forward rear differential). This feature is
standard on all tandem axles.
NOTE
Tractors/Trucks and trailers built after
03/01/2001
must be able to turn on an
In-Cab Trailer ABS Warning Light (per
U.S. FMVSS121). The industry chose
Power Line Communication (PLC) as
the standard method to turn it on. On
trailers built prior to 03/01/2001 verify
trailer ABS system status via the re-
quired external warning light mounted
on the trailer. The indicator light on the
trailer should be yellow and identified
with the letters ABS.
Dump Truck, Body Up
Illuminates when Truck Dump Body is up.
Dump Truck, Trailer Body Up
Illuminates when Trailer Dump body is up.
Engine BrakeSaver or
T
ransmission Retarder
Illuminates when BrakeSaver (export only)
or Transmission Retarder is active.
Engine, Brake ON/OFF
Illuminates white when the engine brake is
enabled, and green when actively braking.
Engine, Brake Level
CONTROLS - Warning Lights and Indicators
58 Y53-6113-1A1 (11/20)
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