engine coolant RAM CHASSIS CAB 2022 Owners Manual

11
SYMBOL GLOSSARY
Some car components have colored labels with symbols indicating
precautions to be observed when using this component. It is important to
follow all warnings when operating your vehicle. See below for the definition of
each symbol Úpage 94.
NOTE:Warning and Indicator lights are different based upon equipment options and
current vehicle status. Some telltales are optional and may not appear.
Red Warning Lights
Air Bag Warning Light
Úpage 95
Battery Charge Warning Light Úpage 96
Brake Warning Light Úpage 95
Door Open Warning Light Úpage 97
Electronic Throttle Control (ETC) Warning Light Úpage 96
Electric Power Steering (EPS) Fault Warning Light
Úpage 97
Engine Coolant Temperature Warning Light Úpage 96
Hood Open Warning Light Úpage 95
Oil Pressure Warning Light Úpage 96
Oil Temperature Warning Light Úpage 96
Seat Belt Reminder Warning Light Úpage 94
Trailer Brake Disconnected Warning Light Úpage 97
Transmission Temperature Warning Light Úpage 97
Red Warning Lights
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12 Vehicle Security Warning Light Úpage 96
Yellow Warning Lights
Adaptive Cruise Control (ACC) Fault Warning Light
Úpage 97
Anti-Lock Brake System (ABS) Warning Light Úpage 100
Cruise Control Fault Warning Light Úpage 100
Engine Check/Malfunction Indicator Warning Light (MIL) Úpage 97
Electronic Stability Control (ESC) Active Warning Light Úpage 98
Electronic Stability Control (ESC) OFF Warning Light
Úpage 98
Red Warning Lights
LaneSense Warning Light
Úpage 98
Low Washer Fluid Warning Light Úpage 98
Low Fuel Warning Light Úpage 99
Low Coolant Level Warning Light Úpage 99
Loose Fuel Filler Cap Warning Light Úpage 99
Service Forward Collision Warning (FCW) Light Úpage 100
Service LaneSense Warning Light Úpage 100
Service 4WD Warning Light Úpage 100
Yellow Warning Lights

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60GETTING TO KNOW YOUR VEHICLE
AUTOMATIC TEMPERATURE CONTROL
(ATC)
Automatic Operation

1. Push the AUTO button on the faceplate, or the
AUTO button on the touchscreen on the
Automatic Temperature Control (ATC) Panel.

2. Next, adjust the temperature you would like the system to maintain by adjusting the driver
and passenger temperature control buttons.
Once the desired temperature is displayed, the
system will achieve and automatically
maintain that comfort level.
3. When the system is set up for your comfort level, it is not necessary to change the
settings. You will experience the greatest
efficiency by simply allowing the system to
function automatically.
NOTE:
It is not necessary to move the temperature
settings for cold or hot vehicles. The system
automatically adjusts the temperature, mode,
and blower speed to provide comfort as quickly
as possible.
The temperature can be displayed in U.S. or
Metric units by selecting the U.S./Metric within
Uconnect Settings Ú page 191. To provide you with maximum comfort in the
Automatic mode during cold start-ups, the blower
fan will remain on low until the engine warms up.
The blower will increase in speed and transition
into Auto mode.
Manual Operation Override
This system offers a full complement of manual
override features. The AUTO symbol in the front
ATC display will be turned off when the system is
being used in the manual mode.
CLIMATE VOICE RECOGNITION —
I
F EQUIPPED
Adjust vehicle temperatures hands-free and keep
everyone comfortable while you keep moving
ahead.
Push the VR button on the steering wheel. After the
beep, say one of the following commands:
“ Set driver temperature to 70 degrees ”
“Set passenger temperature to 70 degrees ”
Did you know: Voice Command for Climate may
only be used to adjust the interior temperature of
your vehicle. Voice Command will not work to
adjust the heated seats or steering wheel if
equipped.
OPERATING TIPS
NOTE:Refer to the chart at the end of this section for
suggested control settings for various weather
conditions.
Summer Operation
The engine cooling system must be protected with
a high-quality antifreeze coolant to provide proper
corrosion protection and to protect against engine
overheating. OAT coolant (conforming to
MS.90032) is recommended.
Winter Operation
To ensure the best possible heater and defroster
performance, make sure the engine cooling
system is functioning properly and the proper
amount, type, and concentration of coolant is
used. Use of the Air Recirculation mode during
Winter months is not recommended, because it
may cause window fogging.
Vacation/Storage
For information on maintaining the Climate Control
system when the vehicle is being stored for an
extended period of time, see Ú page 393.

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GETTING TO KNOW YOUR INSTRUMENT PANEL75
BASE / MIDLINE INSTRUMENT CLUSTER
D
ESCRIPTIONS

1. Tachometer

Indicates the engine speed in revolutions
per minute (RPM x 1000).
2. Voltmeter
When the vehicle is in the RUN state, the
gauge indicates the electrical system
voltage. The pointer should stay within the
normal range if the battery is charged. If the
pointer moves to either extreme left or right
and remains there during normal driving,
the electrical system should be serviced.
3. Instrument Cluster Display
When the appropriate conditions exist, this
display shows the instrument cluster
display messages Ú page 81.
The display always shows one of the main
menu item after the ignition is placed on.
4. Oil Pressure Gauge
The pointer should always indicate the oil
pressure when the engine is running. A
continuous high or low reading under
normal driving conditions may indicate a
lubrication system malfunction. Immediate
service should be obtained from an autho -
rized dealer. 5. Speedometer
Indicates vehicle speed.
6. Temperature Gauge
The gauge pointer shows engine coolant
temperature. The pointer positioned within
the normal range indicates that the engine
cooling system is operating satisfactorily.
The gauge pointer will likely indicate a
higher temperature when driving in hot
weather, up mountain grades, or when
towing a trailer. It should not be allowed to
exceed the upper limits of the normal oper -
ating range. 7. Fuel Gauge
The pointer shows the level of fuel in the
fuel tank when the ignition is in the ON/RUN
position.
 The fuel pump symbol points to the
side of the vehicle where the fuel
door is located.WARNING!
A hot engine cooling system is dangerous. You or
others could be badly burned by steam or boiling
coolant. It is recommended to call an authorized
dealer for service if your vehicle overheats. If you
decide to look under the hood yourself, Follow
the warnings under the Cooling System Pressure
Cap paragraph Ú page 354.
CAUTION!
Driving with a hot engine cooling system could
damage your vehicle. If the temperature gauge
reads “H,” pull over and stop the vehicle. Idle the
vehicle with the air conditioner turned off until
the pointer drops back into the normal range. If
the pointer remains on the “H,” turn the engine
off immediately and call an authorized dealer for
service.
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GETTING TO KNOW YOUR INSTRUMENT PANEL77
PREMIUM INSTRUMENT CLUSTER
D
ESCRIPTIONS

1. Tachometer

Indicates the engine speed in revolutions
per minute (RPM x 1000).
2. Instrument Cluster Display
When the appropriate conditions exist, this
display shows the instrument cluster
display messages Ú page 81.
The display always shows one of the main
menu item after the ignition is placed on.
3. Speedometer
Indicates vehicle speed. 4. Temperature Gauge
The gauge pointer shows engine coolant
temperature. The pointer positioned within
the normal range indicates that the engine
cooling system is operating satisfactorily.
The gauge pointer will likely indicate a
higher temperature when driving in hot
weather, up mountain grades, or when
towing a trailer. It should not be allowed to
exceed the upper limits of the normal oper
-
ating range. 5. Fuel Gauge
The pointer shows the level of fuel in the
fuel tank when the ignition is in the ON/RUN
position.
 The fuel pump symbol points to the
side of the vehicle where the fuel
door is located.
WARNING!
A hot engine cooling system is dangerous. You or
others could be badly burned by steam or boiling
coolant. It is recommended to call an authorized
dealer for service if your vehicle overheats. If you
decide to look under the hood yourself, Follow
the warnings under the Cooling System Pressure
Cap paragraph Ú page 354.
CAUTION!
Driving with a hot engine cooling system could
damage your vehicle. If the temperature gauge
reads “H,” pull over and stop the vehicle. Idle the
vehicle with the air conditioner turned off until
the pointer drops back into the normal range. If
the pointer remains on the “H,” turn the engine
off immediately and call an authorized dealer for
service.
3

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GETTING TO KNOW YOUR INSTRUMENT PANEL79
DIESEL INSTRUMENT CLUSTER

1. Tachometer

Indicates the engine speed in revolutions
per minute (RPM x 1000).
2. Engine Coolant Temperature

This gauge shows the engine coolant tempera -
ture. The gauge pointer will likely show higher
temperatures when driving in hot weather, up
mountain grades, or in heavy stop and go
traffic. If the red Warning Light turns on while
driving, safely bring the vehicle to a stop, and
turn off the engine. DO NOT operate the
vehicle until the cause is corrected.
3. Instrument Cluster Display
When the appropriate conditions exist, this
display shows the instrument cluster
display messages Ú
page 81.
The display always shows one of the main
menu item after the ignition is placed on.
4. Oil Pressure Gauge
The pointer should always indicate some oil
pressure when the engine is running. A
continuous high or low reading under
normal driving conditions may indicate a
lubrication system malfunction. Immediate
service should be obtained from an autho -
rized dealer.
5. Speedometer
Indicates vehicle speed.
6. Diesel Exhaust Fluid (DEF) Gauge
The DEF Gauge displays the actual level of
Diesel Exhaust Fluid in the DEF tank. DEF is
required to maintain normal vehicle opera -
tion and emissions compliance. If some -
thing is wrong with the gauge, a DEF
Warning Message or Malfunction Indicator
Light (MIL) will be displayed. More informa -
tion is available in the instrument cluster
display section under the heading of DEF
Warning Messages. 7. Fuel Gauge
The pointer shows the level of fuel in the
fuel tank when the ignition switch is in the
ON/RUN position.
 The fuel pump symbol points to the
side of the vehicle where the fuel
filler door is located.
NOTE:
The gauge may take up to five seconds to
update after adding a gallon or more of DEF to
the DEF tank. If you have a fault related to the
DEF system, the gauge may not update to the
new level. See an authorized dealer for service.
The DEF gauge may also not immediately
update after a refill if the temperature of the
DEF fluid is below 39°F (4°C). The DEF tank
heater will possibly warm up the DEF fluid and
allow the gauge to update after a period of run
time. Under very cold conditions, it is possible
that the gauge may not reflect the new fill level
for several drives.WARNING!
A hot engine cooling system is dangerous. You or
others could be badly burned by steam or boiling
coolant. It is recommended to call an authorized
dealer for service if your vehicle overheats.
CAUTION!
Driving with a hot engine cooling system could
damage your vehicle. If the temperature gauge
reads greater “H,” pull over and stop the vehicle.
Idle the vehicle with the air conditioner turned
off until the pointer drops back into the normal
range. If the pointer remains on the “h,” turn the
engine off immediately and call an authorized
dealer for service.
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GETTING TO KNOW YOUR INSTRUMENT PANEL83
Oil Life Reset Procedure

1. Without pushing the brake pedal, push the ENGINE START/STOP button and place the
ignition to the ON/RUN position (do not start
the engine).

2. Push and release the down arrow button to
scroll downward through the main menu to
“Vehicle Info.”
3. Push and release the right arrow button to
access the ”Vehicle Info” screen, then scroll up
or down to select “Oil Life.”
4. Push and hold the right arrow button to
select “Reset”.
5. Push and release the down arrow button to
select “Yes,” then push and release the
right arrow button to reset the Oil Life to
100%.
6. Push and release the up arrow button to
exit the instrument cluster display screen.
Secondary Method Of Resetting Engine Oil Life

1. Without pressing the brake pedal, push the ENGINE START/STOP button and place the
ignition to the ON/RUN position (do not start
the engine).
2. Fully press the accelerator pedal, slowly, three
times within ten seconds.
3. Without pushing the brake pedal, push the ENGINE START/STOP button once to return the
ignition to the OFF position.
NOTE:If the indicator message illuminates when you start
the vehicle, the oil change indicator system did not
reset. If necessary, repeat this procedure.
DISPLAY MENU ITEMS
Push and release the up or down arrow
button until the desired selectable menu icon is
highlighted in the instrument cluster display.
The instrument cluster display menu items may
consist of the following:
Speedometer
Push and release the up or down arrow
button until the speedometer menu item is
highlighted in the instrument cluster display. Push
and release the right arrow button to cycle the
display between mph and km/h.
Vehicle Info
Push and release the up or down arrow
button until the Vehicle Info menu item is
highlighted in the instrument cluster display. Push
and release the right arrow button to enter the
submenus items of Vehicle Info. Follow the
directional prompts to access or reset any of the
following Vehicle Info submenu items:
Speedometer Vehicle Info Off Road —
If Equipped
Driver Assist — If Equipped Fuel Economy Trip A/Trip B
Screen Set Up Vehicle
Settings —
If Equipped Commercial
Settings —
If Equipped
Trailer Tow Audio Messages
Tire Pressure Coolant
Temperature Transmission
Temperature — If Equipped
Oil
Temperature Oil PressureExhaust Brake
— If Equipped
Boost
Pressure —
If Equipped Diesel
Particulate
Filter (DPF) — If Equipped Oil Life
Fuel Filter Life — If Equipped Battery
Voltage Gauge
Summary
Engine Hours
3

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GETTING TO KNOW YOUR INSTRUMENT PANEL91
By simply driving your vehicle at highway speeds
for as little as 45 minutes, you can remedy the
condition in the particulate filter system and
allow your Cummins® diesel engine and
exhaust after-treatment system to remove the
trapped PM and restore the system to normal
operating condition.
Exhaust System — Regeneration In Process
Exhaust Filter XX% Full — Indicates that the DPF
is self-cleaning. Maintain your current driving
condition until regeneration is completed.
Exhaust System — Regeneration Completed —
This message indicates that the DPF
self-cleaning is completed. If this message is
displayed, you will hear one chime to assist in
alerting you of this condition.
Exhaust Service Required — See Dealer Now —
This message indicates regeneration has been
disabled due to a system malfunction. At this
point the engine Powertrain Control Module
(PCM) will register a fault code, the instrument
panel will display a MIL light.
Exhaust Filter Full — Power Reduced See
Dealer — This message indicates the PCM has
derated the engine to limit the likelihood of
permanent damage to the after-treatment
system. If this condition is not corrected and a
dealer service is not performed, extensive
exhaust after-treatment damage can occur. To
correct this condition it will be necessary to have
your vehicle serviced by an authorized dealer.
NOTE:Failing to follow the oil change indicator, changing
your oil and resetting the oil change indicator by
0 miles remaining will prevent the diesel exhaust
filter from performing it's cleaning routine. This will
shortly result in a Malfunction Indicator Light (MIL)
and reduced engine power. Only an authorized
dealer will be able to correct this condition.
Cold Ambient Derate Mode Messages
The vehicle will display messages when a derate
(engine power reduction) is activated to protect the
engine during start-up in cold ambient
temperatures.
Engine Power Reduced During Warm-up — This
message will display during start-up when the
ambient temperature is between 10°F (-12°C)
and -10°F (-23°C).
Engine Power Reduced Up To 30 Sec (Seconds)
During Warm-up — This message will display
during start-up when the ambient temperature
is between -10°F (-23°C) and -25°F (-32°C).
Engine Power Reduced Up To 2 Min (Minutes)
During Warm-up — This message will display
during start-up when the ambient temperature
is -25°F (-32°C) and below.
Your vehicle is equipped with an engine warm
up protection feature that may limit engine
performance after cold starting at low ambient
temperatures. The length of time engine speed
is limited is dependent upon engine coolant
temperature. Engine speed may be briefly
limited to 1,000 RPM after starting with coolant
temperature below freezing conditions, and
may be limited to 1,000 RPM for up to approxi -
mately two minutes under more severe cold
conditions.
Coolant Low — This telltale will turn on to indi -
cate the vehicle coolant level is low
Ú page 341.CAUTION!
See an authorized dealer, as damage to the
exhaust system could occur soon with continued
operation.
CAUTION!
See an authorized dealer, as damage to the
exhaust system could occur soon with continued
operation.
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96GETTING TO KNOW YOUR INSTRUMENT PANEL
Vehicle Security Warning Light —
If Equipped
This light will flash at a fast rate for
approximately 15 seconds when the
vehicle security system is arming, and
then will flash slowly until the vehicle is
disarmed.
Engine Coolant Temperature Warning
Light
This warning light warns of an
overheated engine condition. If the
engine coolant temperature is too high,
this indicator will illuminate and a single
chime will sound. If the temperature reaches the
upper limit, a continuous chime will sound for four
minutes or until the engine is able to cool,
whichever comes first.
If the light turns on while driving, safely pull over
and stop the vehicle. If the Air Conditioning (A/C)
system is on, turn it off. Also, shift the transmission
into NEUTRAL and idle the vehicle. If the
temperature reading does not return to normal,
turn the engine off immediately and call for service
Ú page 322.
Battery Charge Warning Light
This warning light will illuminate when the
battery is not charging properly. If it stays
on while the engine is running, there may
be a malfunction with the charging
system. Contact an authorized dealer as soon as
possible.
This indicates a possible problem with the
electrical system or a related component.
Oil Pressure Warning Light
This warning light will illuminate to
indicate low engine oil pressure. If the
light turns on while driving, stop the
vehicle, shut off the engine as soon as
possible, and contact an authorized dealer. A
chime will sound when this light turns on.
Do not operate the vehicle until the cause is
corrected. This light does not indicate how much oil
is in the engine. The engine oil level must be
checked under the hood.
Oil Temperature Warning Light
This warning light will illuminate to
indicate the engine oil temperature is
high. If the light turns on while driving,
stop the vehicle and shut off the engine
as soon as possible. Wait for oil temperature to
return to normal levels.
Electronic Throttle Control (ETC) Warning
Light
This warning light will illuminate to
indicate a problem with the ETC system.
If a problem is detected while the vehicle
is running, the light will either stay on or
flash depending on the nature of the problem.
Cycle the ignition when the vehicle is safely and
completely stopped and the transmission is placed
in the PARK position. The light should turn off. If
the light remains on with the vehicle running, your
vehicle will usually be drivable; however, see an
authorized dealer for service as soon as possible.
NOTE:This light may turn on if the accelerator and brake
pedals are pressed at the same time.
If the light continues to flash when the vehicle is
running, immediate service is required and you
may experience reduced performance, an
elevated/rough idle, or engine stall and your
vehicle may require towing. The light will come on
when the ignition is placed in the ON/RUN or ACC/
ON/RUN position and remain on briefly as a bulb
check. If the light does not come on during starting,
have the system checked by an authorized dealer.

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110STARTING AND OPERATING
3. Push the ENGINE START/STOP button a second time to change the ignition to the RUN
position.
4. Push the ENGINE START/STOP button a third time to return the ignition to the OFF position.
Keyless Enter ‘n Go™ Starting Procedure —
Engine Manifold Air Temperature 0°F To
66°F (–18°C to 19°C)
NOTE:The temperature displayed in the instrument
cluster does not necessarily reflect the engine
manifold air temperature Ú page 81. When
engine temperatures fall below 66°F (19°C) the
“Wait To Start” telltale will remain on indicating the
intake air heater system is active.
Follow the steps in the “Normal Starting”
procedure except:

1. Pushing the engine start button with the driver’s foot on the brake will move the
ignition from OFF or ACC to RUN, and will
illuminate the "Wait to Start" telltale. The
engine will not immediately crank, this is
normal operation.

2. The “Wait to Start" telltale will remain on for a period of time that varies depending on the
engine temperature. 3. While the "Wait to Start" telltale is on, the
instrument cluster will additionally display a
gauge or bar whose initial length represents
the full "Wait to Start" time period. Its length
will decrease until it disappears when the
"Wait to Start" time has elapsed.
4. After the engine “Wait to Start” telltale goes off, the engine will automatically crank.
5. After engine start-up, check to see that there is oil pressure.
6. Release the parking brake and drive.
NOTE:
Engine idle speed will automatically increase to
1,000 RPM and engage the Variable Geometry
Turbocharger at low coolant temperatures to
improve engine warm-up.
The engine will not automatically crank after the
engine "Wait to Start" telltale goes off if a door
or the hood is ajar.
If the engine stalls, or if the ignition switch is left
ON for more than two minutes after the “Wait to
Start” telltale goes out, reset the intake air
heater by turning the ignition switch to the OFF
position for at least 5 seconds and then back
ON. Repeat steps 1 through 6 of “Keyless
Enter ‘n Go™ Starting Procedure – Engine Mani -
fold Air Temperature 0°F To 66°F (–18°C to
19°C).”
EXTREME COLD WEATHER
The Cummins® Turbo Diesel engine is equipped
with several features designed to assist cold
weather starting and operation:
The engine block heater is a resistance heater
installed in the water jacket of the engine just
above and behind the oil filter. It requires a
110–115 Volt AC electrical outlet with a
grounded, three-wire extension cord.
CAUTION!
If the Water in Fuel Indicator Light remains on,
DO NOT START the engine before you drain the
water from the fuel filters to avoid engine
damage Ú page 347.
CAUTION!
Do not crank engine for more than 25 seconds
at a time or starter motor damage may result.
Turn the ignition switch to the OFF position and
wait at least two minutes for the starter to cool
before repeating start procedure.

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