2023 RAM CHASSIS CAB ECU

GETTING TO KNOW YOUR VEHICLE21
Vehicle Security system not active
Malfunction Indicator Light (MIL) is not illumi -
nated
TO EXIT REMOTE START MODE
To drive the vehicle after starting the Remote Start
system, push and release the START/STOP ignition
button while pressing the brake pedal prior to the
end of the 15 minute cycle.
The Remote Start system will turn the engine off if
the Remote Start button on the key fob is pushed
again, or if the engine is allowed to run for the
entire 15 minute cycle. Once the ignition is placed
in the ON/RUN position, the climate controls will
resume the previously set operations
(temperature, blower control, etc.).
NOTE:
For vehicles equipped with the Keyless
Enter ‘n Go™ — Passive Entry feature, the
message “Remote Start Active — Push Start
Button” will display in the instrument cluster
display until you push the START/STOP ignition
button.
To avoid unintentional shutdowns, the system
will disable for two seconds after receiving a
valid Remote Start request.
REMOTE START FRONT DEFROST
A
CTIVATION — IF EQUIPPED
When Remote Start is active, and the outside
ambient temperature is 40°F (4.5°C) or below, the
system will automatically activate front defrost for
15 minutes or less. The time is dependent on the
ambient temperature. Once the timer expires, the
system will automatically adjust the settings
depending on ambient conditions. See “Remote
Start Comfort Systems — If Equipped” in the next
section for detailed operation.
REMOTE START COMFORT SYSTEMS —
I
F EQUIPPED
When Remote Start is activated, the front and rear
defrost will automatically turn on in cold weather.
The heated steering wheel and driver heated seat
feature will turn on if programmed in the Comfort
menu screen within Uconnect Settings
Ú page 199. In warm weather, the driver vented
seat feature will automatically turn on when
Remote Start is activated, if programmed in the
Comfort menu screen. The vehicle will adjust the
climate control settings depending on the outside
ambient temperature. Automatic Temperature Control (ATC) —
If Equipped
The climate controls automatically adjust to an
optimal temperature and mode, dependent on the
outside ambient temperature. When the ignition is
placed in the ON/RUN position, the climate
controls will resume their previous settings.
Manual Temperature Control (MTC) — If Equipped
In ambient temperatures of 40°F (4.5°C) or
below, the climate settings will default to
maximum heat, with fresh air entering the
cabin. If the front defrost timer expires, the
vehicle will enter Mix Mode.
In ambient temperatures from 40°F (4.5°C) to
78°F (26°C), the climate settings will be based
on the last settings selected by the driver.
In ambient temperatures of 78°F (26°C) or
above, the climate settings will default to MAX
A/C, Bi-Level mode, with Recirculation on.
For more information on ATC, MTC, and climate
control settings, see Ú page 58.
NOTE:These features will stay on through the duration of
Remote Start, or until the ignition is placed in the
ON/RUN position. The climate control settings will
change, and exit the automatic defaults, if
manually adjusted by the driver while the vehicle is
in Remote Start mode. This includes turning the
climate controls off using the OFF button.
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22GETTING TO KNOW YOUR VEHICLE
(Continued)
REMOTE START WINDSHIELD WIPER
D
E-ICER ACTIVATION — IF EQUIPPED
When Remote Start is active and the outside
ambient temperature is less than 33°F (0.6°C),
the Windshield Wiper De-Icer will activate. Exiting
Remote Start will resume its previous operation. If
the Windshield Wiper De-Icer was active, the timer
and operation will continue.
REMOTE START ABORT MESSAGE
One of the following messages will display in the
instrument cluster display if the vehicle fails to
remote start or exits Remote Start prematurely:
Remote Start Canceled — Door Open
Remote Start Canceled — Hood Open
Remote Start Canceled — Fuel Low
Remote Start Canceled — System Fault
Remote Start Disabled — Start Vehicle to Reset
The instrument cluster display message stays
active until the ignition is placed in the ON/RUN
position.
REMOTE START — IF EQUIPPED (DIESEL)
This system uses the key fob to start the
engine conveniently from outside the
vehicle while still maintaining security. The system has a range of approximately 300 ft
(91 m).
Remote Start is used to defrost windows in cold
weather, and to reach a comfortable climate in all
ambient conditions before the driver enters the
vehicle.
NOTE:
Obstructions between the vehicle and the key
fob may reduce this range.
The Remote Start system will wait for the Wait
To Start Light
Úpage 109 to extinguish before
cranking the engine. This allows time for the
intake heater to preheat the incoming air, and is
normal operation in cold weather Ú page 427.
HOW TO USE REMOTE START
Push and release the Remote Start button on the
key fob twice within five seconds. The vehicle
doors will lock, the parking lights will flash, and the
horn will chirp twice (if programmed). Then, the
engine will start, and the vehicle will remain in the
Remote Start mode for a 15 minute cycle.
Pushing the Remote Start button a third time shuts
the engine off.
To drive the vehicle, push the unlock button, and
place the ignition in the ON/RUN position. All of the following conditions must be met before
the engine will remote start:
Gear selector in PARK
Doors closed
Hood closed
Hazard switch off
Brake switch inactive (brake pedal not pressed)
Battery at an acceptable charge level
Panic button not pushed
Fuel meets minimum requirement
Water In Fuel Indicator Light is not illuminated
Wait To Start Light is not illuminated
Malfunction Indicator Light (MIL) is not illumi
-
nated
For additional functions of the Remote Start
system, see Ú page 21.
WARNING!
Do not start or run an engine in a closed
garage or confined area. Exhaust gas contains
carbon monoxide (CO) which is odorless and
colorless. Carbon monoxide is poisonous and
can cause serious injury or death when
inhaled.

23_DPF_OM_EN_USC_t.book Page 22

GETTING TO KNOW YOUR VEHICLE23
VEHICLE SECURITY SYSTEM — IF EQUIPPED
The Vehicle Security system monitors the vehicle
doors and ignition for unauthorized operation.
When the Vehicle Security system is activated,
interior switches for door locks are disabled. If
something triggers the alarm, the Vehicle Security
system will provide the following audible and
visible signals:
The horn will pulse
The turn signals will flash
The Vehicle Security Light in the instrument
cluster will flash
TO ARM THE SYSTEM
Follow these steps to arm the Vehicle Security
system:

1. Make sure the vehicle’s ignition is placed in
the OFF position.

For vehicles equipped with Keyless Entry,
make sure the vehicle’s keyless ignition
system is OFF. 2. Perform one of the following methods to lock
the vehicle:
Push the lock button on the interior power
door lock switch with the driver and/or
passenger door open.
Push the lock button on the exterior Passive
Entry door handle with a valid key fob avail -
able in the same exterior zone Ú page 25.
Push the lock button on the key fob.
3. If any doors are open, close them.
The Vehicle Security system will set when you use
the power door locks, or use the key fob to lock the
doors. After all the doors are locked and closed,
the Vehicle Security Light, in the instrument panel
cluster, will flash rapidly for about 16 seconds to
indicate that the alarm is being set. After the alarm
is set, the Vehicle Security Light will flash at a
slower rate to indicate that the system is armed.
TO DISARM THE SYSTEM
The Vehicle Security system can be disarmed using
any of the following methods:

1. Push the unlock button on the key fob.

2. Grab the Passive Entry door handle with a valid key fob within 5 ft (1.5 m) of the Passive Entry
door handle (if equipped) Ú page 25.
3. Cycle the ignition out of the OFF position. The Vehicle Security system is designed to protect
your vehicle. However, you can create conditions
where the system will give you a false alarm. If one
of the previously described arming sequences has
occurred, the Vehicle Security system will arm
regardless of whether you are in the vehicle or not.
If you remain in the vehicle and open a door, the
alarm will sound. If this occurs, disarm the Vehicle
Security system.
If the Vehicle Security system is armed and the
battery becomes disconnected, the Vehicle
Security system will remain armed when the
battery is reconnected; the exterior lights will flash,
and the horn will sound. If this occurs, disarm the
Vehicle Security system.
REARMING OF THE SYSTEM
If something triggers the alarm, and no action is
taken to disarm it, the Vehicle Security system will
turn the horn off after a 29 second cycle (with five
seconds between cycles and up to eight cycles if
the trigger remains active), and then rearm itself.
SECURITY SYSTEM MANUAL OVERRIDE
The Vehicle Security system will not arm if you lock
the doors using the manual door lock.
Keep key fobs away from children. Operation
of the Remote Start system, windows, door
locks or other controls could cause serious
injury or death.
WARNING!
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24GETTING TO KNOW YOUR VEHICLE
(Continued)
DOORS
MANUAL DOOR LOCKS
The power door locks can be manually locked from
inside the vehicle by using the door lock knob. To
lock each door, push the door lock knob on each
door trim panel downward. To unlock the front
doors, pull the inside door handle to the first
detent. To unlock the rear doors, pull the door lock
knob on the door trim panel upward. If the lock
knob is down when the door is closed, the door will
lock. Therefore, make sure the key fob is not inside
the vehicle before closing the door.
Door Lock Knob

POWER DOOR LOCKS — IF EQUIPPED
The power door lock switches are located on each
front door panel. Push the switch to lock or unlock
the doors.
Power Door Lock Switches

WARNING!
Do not leave children or animals inside parked
vehicles in hot weather. Interior heat buildup
may cause serious injury or death.
For personal security and safety in the event
of an collision, lock the vehicle doors as you
drive as well as when you park and leave the
vehicle.
Before exiting a vehicle, always shift the auto -
matic transmission into PARK, apply the
parking brake, turn the vehicle OFF, remove
the key fobs from vehicle, and lock all doors.
and lock your vehicle.
Never leave children alone in a vehicle, or with
access to an unlocked vehicle. Leaving chil -
dren in a vehicle unattended is dangerous for
a number of reasons. A child or others could
be seriously or fatally injured. Children should
be warned not to touch the parking brake,
brake pedal or the gear selector.
Allowing children to be in a vehicle unattended
is dangerous for a number of reasons. A child
or others could be seriously or fatally injured.
Children should be warned not to touch the
parking brake, brake pedal or the gear
selector.
Do not leave the key fob in or near the vehicle,
or in a location accessible to children, and do
not leave the Keyless Enter ‘n Go™ Ignition in
the ACC or ON/RUN position. A child could
operate power windows, other controls, or
move the vehicle.
WARNING!

23_DPF_OM_EN_USC_t.book Page 24

GETTING TO KNOW YOUR VEHICLE25
The driver’s door will unlock automatically if the
key fob is detected inside the vehicle when the
door lock button on the front door panel is used to
lock the door. This will occur for two attempts.
Upon the third attempt, the doors will lock even if
the key fob is inside.
NOTE:If the key fob is located next to a mobile phone,
laptop, or other electronic device, the wireless
signal may get blocked, and the driver’s door may
not unlock automatically.
If the door lock switch is pushed while the ignition
is in ACC or ON/RUN and the driver's door is open,
the doors will not lock.
KEYLESS ENTER ‘N GO™ — PASSIVE
E
NTRY (IF EQUIPPED)
The Passive Entry system is an enhancement to
the vehicle’s Remote Keyless Entry system and a
feature of Keyless Enter ‘n Go™. This feature
allows you to lock and unlock the vehicle’s door(s)
without having to push the key fob lock or unlock
buttons.
NOTE:
Passive Entry may be programmed on/off within
Uconnect Settings Ú page 199.
If wearing gloves, if it has been raining/snowing,
or if there is salt/dirt covering the Passive Entry
door handle, the unlock sensitivity can be
affected, resulting in a slower response time.
The doors may unlock when water is sprayed on
the Passive Entry door handles if the key fob is
located outside of the vehicle within 5 ft (1.5 m)
of the handle.
If the vehicle is unlocked by Passive Entry and
no door is opened within 60 seconds, the
vehicle will relock and if equipped will arm the
security alarm.
The Vehicle Security system can be armed/
disarmed by pushing the Passive Entry key fob
lock/unlock buttons (if equipped).
The key fob may not be detected by the vehicle
Passive Entry system if it is located next to a
mobile phone, laptop or other electronic device;
these devices may block the key fob's wireless
signal and prevent the Passive Entry door
handle from locking/unlocking the vehicle. To Unlock From The Driver or Passenger Side:
With a valid Passive Entry key fob within 5 ft
(1.5 m) of the door handle, grab the handle to
unlock the vehicle. Grabbing the driver’s door
handle will unlock the driver’s door automatically.
Grabbing the passenger door handle will unlock all
doors automatically. The interior door panel lock
knob will raise when the door is unlocked.

Grab The Door Handle To Unlock

NOTE:
Either the driver’s door only or all doors will
unlock when you grab hold of the front driver’s
door handle, depending on the selected setting
in the Uconnect system Ú page 199.
All doors will unlock when the front passenger
door handle is grabbed regardless of the
driver’s door unlock preference setting.
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GETTING TO KNOW YOUR VEHICLE37
Front Head Restraint Removal
Two-Way Head Restraints — If Equipped
To remove the head restraint, push the adjustment
button and the release button while pulling upward
on the whole assembly. To reinstall the head
restraint, put the head restraint posts into the
holes and adjust it to the appropriate height.
Four-Way Head Restraints — If Equipped
The head restraints should only be removed by
qualified technicians, for service purposes only. If
either of the head restraints require removal, see
an authorized dealer.
Rear Head Restraints
The rear seats are equipped with adjustable and
removable head restraints. To raise the head
restraint, pull upward on the head restraint. To
lower the head restraint, push the adjustment
button located on the base of the head restraint
and push downward on the head restraint.
Release/Adjustment Buttons
NOTE:
The rear center head restraint (Crew Cab) has
only one adjustment position that is used to aid
in the routing of a tether Ú
page 288.
Do not reposition the head restraint
180 degrees to the incorrect position in an
attempt to gain additional clearance to the back
of the head.
WARNING!
All occupants, including the driver, should not
operate a vehicle or sit in a vehicle’s seat until
the head restraints are placed in their proper
positions in order to minimize the risk of neck
injury in the event of a crash.
Head restraints should never be adjusted
while the vehicle is in motion. Driving a vehicle
with the head restraints improperly adjusted
or removed could cause serious injury or
death in the event of a collision.
WARNING!
A loose head restraint thrown forward in a
collision or hard stop could cause serious
injury or death to occupants of the vehicle.
Always securely stow removed head restraints
in a location outside the occupant compart -
ment.
ALL the head restraints MUST be reinstalled in
the vehicle to properly protect the occupants.
Follow the reinstallation instructions prior to
operating the vehicle or occupying a seat.
1 — Release Button
2 — Adjustment Button
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38GETTING TO KNOW YOUR VEHICLE
Rear Head Restraint Removal
To remove the head restraint, push the adjustment
button and the release button while pulling upward
on the whole assembly. To reinstall the head
restraint, put the head restraint posts into the
holes and adjust it to the appropriate height.
NOTE:To remove outboard restraints, the rear seat
bottom must be folded up.
DRIVER ADJUSTABLE PEDALS —
IF EQUIPPED
The adjustable pedals system is designed to allow
a greater range of driver comfort for steering wheel
tilt and seat position. This feature allows the brake
and accelerator pedals to move toward or away
from the driver to provide improved position with
the steering wheel.
The adjustable pedal switch is located to the left
side of the steering column.

Adjustable Pedals Switch
The pedals can be adjusted with the ignition in the
OFF position.
The pedals
cannot be adjusted when the vehicle is
in REVERSE or when the Cruise Control system is
on. If there is an attempt to adjust the pedals when
the system is locked out, the following messages
will appear (on vehicles equipped with an
instrument cluster display):
Adjustable Pedal Disabled — Cruise Control
Engaged
Adjustable Pedal Disabled — Vehicle In Reverse
NOTE:
Always adjust the pedals to a position that
allows full movement of the pedal.
Further small adjustments may be necessary to
find the best possible seat/pedal position.
For vehicles equipped with Driver Memory
Settings, you can use your remote keyless entry
key fob or the memory switch on the driver’s
door trim panel to return the adjustable pedals
to saved positions Ú page 30.
WARNING!
A loose head restraint thrown forward in a
collision or hard stop could cause serious
injury or death to occupants of the vehicle.
Always securely stow removed head restraints
in a location outside the occupant compart -
ment.
ALL the head restraints MUST be reinstalled in
the vehicle to properly protect the occupants.
Follow the reinstallation instructions prior to
operating the vehicle or occupying a seat.
WARNING!
Do not adjust the pedals while the vehicle is
moving. You could lose control and have an
accident. Always adjust the pedals while the
vehicle is parked.

23_DPF_OM_EN_USC_t.book Page 38

GETTING TO KNOW YOUR VEHICLE47
UNIVERSAL GARAGE DOOR OPENER
(HOMELINK®) — IF EQUIPPED

HomeLink® Buttons

Use this QR code to access your
digital experience.
HomeLink® replaces up to
three hand-held transmitters
that operate devices such as
garage door openers, motor -
ized gates, lighting, or home
security systems. The HomeLink® unit is
powered by your vehicle’s 12 Volt battery.
The HomeLink® buttons that are located in the
overhead console or sunvisor designate the
three different HomeLink® channels.
To operate HomeLink®, push and release any
of the programmed HomeLink® buttons. These
buttons will activate the devices they are
programmed to with each press of the corre -
sponding HomeLink® button.
The HomeLink® indicator light is located above
the center button.
NOTE:HomeLink® is disabled when the Vehicle Security
system is active Ú page 427.
BEFORE YOU BEGIN PROGRAMMING
H
OMELINK®
For efficient programming and accurate
transmission of the Radio Frequency (RF) signal, it
is recommended that a new battery be placed in
the hand-held transmitter of the device that is
being programmed to the HomeLink® system.
Make sure your hand-held transmitter is
programmed to activate the device you are trying
to program your HomeLink® button to.
Ensure that your vehicle is parked outside of the
garage before you begin programming.
It is recommended that you erase all the channels
of your HomeLink® before you use it for the first
time.
ERASING ALL THE HOMELINK®
C
HANNELS
To erase the channels, follow this procedure:

1. Place the ignition switch in the ON/RUN
position.

2. Push and hold the two outside HomeLink® buttons (I and III) for up to 20 seconds, or until
the HomeLink® indicator light flashes.
NOTE:Erasing all channels should only be performed
when programming HomeLink® for the first time.
Do not erase channels when programming addi -
tional buttons.
IDENTIFYING WHETHER YOU HAVE A
R
OLLING CODE OR NON-ROLLING CODE
D
EVICE
Before programming a device to one of your
HomeLink® buttons, you must determine whether
the device has a rolling code or non-rolling code.
Rolling Code Devices
To determine if your device has a rolling code, a
good indicator is its manufacturing date. Typically,
devices manufactured after 1995 have rolling
codes. A device with a rolling code will also have a
“LEARN” or “TRAIN” button located where the
antenna is attached to the device. The button may
2

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