ECU JEEP GRAND CHEROKEE 2023 Owners Manual

2
INTRODUCTION
SYMBOLS KEY ........................................................ 11
ROLLOVER WARNING .......................................... 11
VEHICLE MODIFICATIONS/ALTERATIONS .......... 12
SYMBOL GLOSSARY.............................................. 12
GETTING TO KNOW YOUR VEHICLE
KEYS ....................................................................... 18
Key Fob .............................................................18
SENTRY KEY .......................................................... 22
IGNITION SWITCH .................................................. 22
Keyless Enter ‘n Go™ Ignition .........................22
REMOTE START — IF EQUIPPED .......................... 24
How To Use Remote Start ................................24
To Exit Remote Start Mode .............................25
Remote Start Front Defrost Activation —
If Equipped........................................................25
Remote Start Comfort Systems —
If Equipped........................................................25
Remote Start Windshield Wiper De-Icer
Activation — If Equipped ..................................26
Remote Start Abort Message ..........................26 VEHICLE SECURITY SYSTEM — IF EQUIPPED .....26
To Arm The System ..........................................26
To Disarm The System .....................................27
Rearming Of The System .................................27
Security System Manual Override ...................27
Tamper Alert .....................................................27
DOORS .....................................................................27
Manual Door Locks ..........................................27
Power Door Locks ...........................................28
Keyless Enter ‘n Go™ — Passive Entry ...........29
Automatic Unlock Doors On Exit......................31
Automatic Door Locks — If Equipped ..............31
Child-Protection Door Lock System —
Rear Doors .......................................................31
STEERING WHEEL ..................................................32
Manual Tilt/Telescoping Steering Column —
If Equipped .......................................................32
Power Tilt/Telescoping Steering Column —
If Equipped .......................................................32
Heated Steering Wheel — If Equipped ............33 UCONNECT VOICE RECOGNITION QUICK
TIPS — IF EQUIPPED .............................................. 33
Introducing Voice Recognition ........................ 33
Basic Voice Commands ................................... 33
Get Started .......................................................34
Additional Information ..................................... 34
DRIVER AND PASSENGER MEMORY SETTINGS —
IF EQUIPPED ........................................................... 34
Programming The Memory Feature ................35
Linking And Unlinking The Key
Fob To Memory.................................................35
Memory Position Recall ................................... 36
SEATS ...................................................................... 36

Manual Adjustment (Front Seats) — If Equipped .. 36

Manual Adjustment (Rear Seats).................... 37

Power Adjustment (Front Seats) — If Equipped ... 41
Power Adjustment (Rear Seats) — If Equipped ..... 43

Power Seatback Massage — If Equipped ....... 44
Heated Seats — If Equipped ........................... 45
Ventilated Seats — If Equipped .......................46
Head Restraints ............................................... 47

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3
MIRRORS ............................................................... 49 Inside Rearview Mirror .....................................49
Illuminated Vanity Mirrors ...............................50
Outside Mirrors ................................................51
Outside Automatic Dimming Mirror —
If Equipped........................................................52
Power Mirrors ...................................................52

Automatic Power Folding Mirrors — If Equipped ...53

Heated Mirrors — If Equipped..........................53
Tilt Side Mirrors In Reverse — If Equipped......53
UNIVERSAL GARAGE DOOR OPENER
(HOMELINK®) — IF EQUIPPED ............................ 53

Before You Begin Programming HomeLink® ... 54

Erasing All The HomeLink® Channels ............54
Identifying Whether You Have A Rolling Code
Or Non-Rolling Code Device.............................54
Programming HomeLink® To A Garage Door
Opener ..............................................................54
Programming HomeLink® To A Miscellaneous
Device ...............................................................55

Reprogramming A Single HomeLink® Button.... 56

Canadian/Gate Operator Programming .........56
Security .............................................................57
Troubleshooting Tips ........................................57 EXTERIOR LIGHTS ..................................................57
Headlight Switch .............................................57
Multifunction Lever ..........................................58
Daytime Running Lights (DRLs) —
If Equipped .......................................................58
High/Low Beam Switch....................................59
Automatic High Beams — If Equipped ............59
Flash-To-Pass ...................................................59
Automatic Headlights ......................................59
Parking Lights And Panel Lights ......................59
Headlights On Automatically With Wipers ......60
Headlight Illumination On Approach ...............60
Headlight Delay ................................................60
Lights-On Reminder .........................................61
Fog Lights — If Equipped .................................61
Turn Signals ......................................................61
Lane Change Assist — If Equipped ..................61
Automatic Headlight Leveling —
If Equipped........................................................61
Battery Saver ....................................................62
INTERIOR LIGHTS ..................................................62
Courtesy Lights .................................................62 WINDSHIELD WIPERS AND WASHERS ............. 64
Windshield Wiper Operation............................ 64
Rain Sensing Wipers — If Equipped ............... 65
Rear Wiper And Washer .................................. 66
Windshield Wiper De-Icer —If Equipped ........ 66
CLIMATE CONTROLS ............................................. 66
Automatic Climate Control Descriptions And
Functions .......................................................... 66
Automatic Temperature Control (ATC) ............ 72
Climate Voice Recognition............................... 72
Operating Tips .................................................73
INTERIOR STORAGE AND EQUIPMENT ............... 74
Storage ............................................................. 74
Lighted Cupholders — If Equipped .................. 76
Sun Screens — If Equipped .............................76
USB/AUX Control ............................................. 77
Electrical Power Outlets................................... 78
Power Inverter — If Equipped .......................... 80
Wireless Charging Pad — If Equipped ............ 80
WINDOWS ............................................................. 81
Power Window Controls ................................... 81
Wind Buffeting .................................................83

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POWER SUNROOF — IF EQUIPPED .................... 83 Single Pane Power Sunroof — If Equipped ....83
Dual Pane Power Sunroof —If Equipped ........85
HOOD ...................................................................... 87
Opening The Hood............................................87
Closing The Hood .............................................87
LIFTGATE ................................................................. 88
To Unlock/Open The Liftgate...........................88
To Lock/Close The Liftgate ..............................88
Adjustable Power Liftgate Height ....................89
Hands-Free Liftgate — If Equipped .................89
Cargo Area Features ........................................90
ROOF LUGGAGE RACK — IF EQUIPPED ............. 93
GETTING TO KNOW YOUR
INSTRUMENT PANEL
DIGITAL INSTRUMENT CLUSTER ......................... 95
Digital Instrument Cluster Descriptions ..........96
ANALOG INSTRUMENT CLUSTER ........................ 97
Analog Instrument Cluster Descriptions .........98 INSTRUMENT CLUSTER DISPLAY.........................98
Location And Controls ......................................98
Engine Oil Life Reset .................................... 100
Display And Messages .................................. 101
Instrument Cluster Display Menu Items ..... 103
Head Up Display (HUD) — If Equipped ......... 105Battery Saver On/Battery Saver Mode
Message — Electrical Load Reduction
Actions — If Equipped ................................... 106
WARNING LIGHTS AND MESSAGES ................ 108
Red Warning Lights ....................................... 108
Yellow Warning Lights ................................... 111Yellow Indicator Lights .................................. 114
Green Indicator Lights .................................. 115
White Indicator Lights ................................... 116Blue Indicator Lights ..................................... 117
Gray Indicator Lights ..................................... 117
ONBOARD DIAGNOSTIC SYSTEM — OBD II ..... 117
Onboard Diagnostic System
(OBD II) Cybersecurity ................................... 117
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS ......................................................... 118
STARTING AND OPERATING
STARTING THE ENGINE ...................................... 119
Automatic Transmission ............................... 119
Keyless Enter ‘n Go™ — Ignition .................. 119
Normal Starting ............................................ 119
AutoPark ........................................................ 120
Extended Park Starting ................................. 121
If Engine Fails To Start .................................. 122Cold Weather Operation
(Below –22°F Or −30°C) ............................ 122
After Starting ................................................. 122
ENGINE BREAK-IN RECOMMENDATIONS ......... 122
PARKING BRAKE ................................................. 123
Electric Park Brake (EPB) ............................. 123Auto Park Brake ............................................ 125
SafeHold ........................................................ 125
Hold ‘N Go — If Equipped ............................. 125Brake Maintenance Mode ............................ 125
AUTOMATIC TRANSMISSION ............................. 126
Ignition Park Interlock................................... 127
Brake/Transmission Shift Interlock (BTSI)
System .......................................................... 1278-Speed Automatic Transmission ............... 127
SPORT MODE — IF EQUIPPED............................ 131

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PARKVIEW REAR BACK UP CAMERA .............. 174 Zoom View ..................................................... 175
Viewing At Speed ........................................... 176
TRAILCAM SYSTEM — IF EQUIPPED ..................176
FAMCAM SYSTEM — IF EQUIPPED ................... 177
NIGHT VISION CAMERA SYSTEM —
IF EQUIPPED ......................................................... 177
Detection Range............................................ 179
Service The Night Vision System .................. 180
Night Vision System Limitations ................... 180
SURROUND VIEW CAMERA SYSTEM —
IF EQUIPPED ........................................................ 181
Zoom View ..................................................... 183
REFUELING THE VEHICLE .................................. 183
VEHICLE LOADING .............................................. 184
Gross Vehicle Weight Rating (GVWR) .......... 184
Payload .......................................................... 184
Gross Axle Weight Rating (GAWR) ................ 184
Tire Size.......................................................... 184
Rim Size ......................................................... 184
Inflation Pressure .......................................... 185
Curb Weight ................................................... 185Loading .......................................................... 185 TRAILER TOWING ................................................ 185
Common Towing Definitions......................... 185
Trailer Hitch Classification ............................ 188
Trailer Towing Weights (Maximum Trailer
Weight Ratings) ............................................ 189
Trailer Hitch Receiver Cover Removal —
If Equipped..................................................... 191Trailer And Tongue Weight ........................... 191Towing Requirements .................................. 192
Towing Tips ................................................... 194
RECREATIONAL TOWING
(BEHIND MOTORHOME) .................................... 195

Towing This Vehicle Behind Another Vehicle ..195

Recreational Towing — Two-Wheel
Drive Models.................................................. 196
Recreational Towing — Quadra-Trac I
(Single-Speed Transfer Case without 4WD
LOW Range) Four-Wheel Drive Models ........ 196
Recreational Towing — Quadra–Trac II with
4WD LOW Range ........................................... 196
DRIVING TIPS ...................................................... 199
On-Road Driving Tips..................................... 199
Off-Road Driving Tips .................................... 200
MULTIMEDIA
UCONNECT SYSTEMS ......................................... 203
CYBERSECURITY ................................................. 203
UCONNECT SETTINGS ......................................... 204 Customer Programmable Features ............ 204
STEERING WHEEL AUDIO CONTROLS .............. 228
Radio Operation ............................................ 228
Media Mode .................................................. 228
PASSENGER SCREEN — IF EQUIPPED ............. 228
Passenger Screen Permissions ................... 229Home Screen ................................................. 229
Audio And Video ............................................ 230
Rear Seat Entertainment With Amazon Fire TV
Built-In — If Equipped .................................... 232
HDMI Projecting ............................................ 232
Device Manager ............................................ 232
Navigation...................................................... 233
Camera .......................................................... 233
3RD PARTY APPS ................................................ 233

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13
Night Vision Pedestrian Warning Light Úpage 110
Oil Pressure Warning Light Úpage 110
Oil Temperature Warning Light Úpage 110
Rear Seat Belt Reminder Warning Light Úpage 110
Seat Belt Reminder Warning Light Úpage 110
Transmission Temperature Warning Light Úpage 110
Vehicle Security Warning Light Úpage 111
Red Warning Lights
Yellow Warning Lights
Active Driving Assist - Driver Inattentiveness Warning Light Úpage 111
Active Driving Assist Fault Warning Light Úpage 111
Active Lane Management Warning Light Úpage 112
Air Suspension Fault Warning Light Úpage 111
Anti-Lock Brake System (ABS) Warning Light Úpage 111
Electric Park Brake Fault Warning Light Úpage 111
Electronic Stability Control (ESC) Active Warning Light Úpage 111
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GETTING TO KNOW YOUR VEHICLE19
NOTE:
If the vehicle is equipped with the Auto Relock
feature, and is unlocked with the key fob, and
no door is opened within 60 seconds, the
vehicle will relock and the Vehicle Security
system will arm (if equipped). This feature can
be enabled/disabled within Uconnect Settings.
If one or more doors are open, or the liftgate is
open, the doors will lock. The doors will unlock
again automatically if the key fob is left inside
the passenger compartment, otherwise the
doors will stay locked.
All doors can be programmed to unlock on the first
push of the unlock button through Uconnect
Settings Ú page 204.
Using The Panic Feature
To turn the Panic feature on or off, push the Panic
button on the key fob. When the Panic feature is
activated, the turn signals will flash, the horn may
pulse on and off (if equipped with horn alarm), and
the interior lights will turn on.
The Panic feature will stay on for three minutes
unless you turn it off by either pushing the Panic
button a second time or drive the vehicle at a
speed of 15 mph (24 km/h) or greater.
NOTE:
The interior lights will turn off if you place the
ignition in the ON/RUN position while the Panic
feature is activated. However, the exterior lights
and horn (if equipped with horn alarm) will
remain on.
You may need to be closer than 66 ft (20 m)
from the vehicle when using the key fob to turn
off the Panic feature due to the radio frequency
noises emitted by the system.
Key Left Vehicle Feature
If a valid key fob is no longer detected inside the
vehicle while the vehicle’s ignition system is in the
ON/RUN or START position, the message “Key Fob
Has Left The Vehicle” will be shown in the
instrument cluster display along with an interior
chime. An exterior audible and visual alert will also
be activated to warn the driver.
The vehicle’s horn will rapidly chirp three times
along with a single flash of the vehicle’s exterior
lights.
NOTE:
The doors have to be open and then closed in
order for the vehicle to check for the presence of
a key fob; the Key Left Vehicle feature will not
activate until all of the doors are closed.
These alerts will not be activated in situations
where the vehicle’s engine is left running with
the key fob inside.
Using The Key Fob To Open Vehicle
Windows — If Equipped
From outside of the vehicle, push and release the
unlock button on the key fob, and within five
seconds push and hold the unlock button for up to
seven seconds. All vehicle door windows will open.
NOTE:
This feature is enabled through Uconnect
Settings Ú page 204.
Vehicle must be equipped with front and rear
auto up/down windows.
Replacing The Battery In The Key Fob
The replacement battery model is one CR2450
battery.
NOTE:
Customers are recommended to use a battery
obtained from Mopar®. Aftermarket coin
battery specifications may not meet the original
OEM coin battery specifications.
Perchlorate Material — special handling may
apply. See www.dtsc.ca.gov/hazard -
ouswaste/perchlorate for further information.
Do not touch the battery terminals that are on
the back housing or the printed circuit board.
2

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GETTING TO KNOW YOUR VEHICLE21

Battery Removal Pocket

NOTE:When replacing the battery, ensure the (+) sign on
the battery is facing upward. Avoid touching the
new battery with your fingers. Skin oils may cause
battery deterioration. If you touch a battery, clean
it with rubbing alcohol.
5. Replace the battery by using your thumb to push down and slide the battery under the
small lip on the top edge of the opening.
Key Fob Battery Replacement

6. To assemble the key fob case, line up the top edge of the back cover with the top of the fob,
and press the edges into the interlocking
hinges until all edges snap together with no
large visual gaps.
7. Reinsert the emergency key until it locks into place.
NOTE:The key fob battery should only be replaced by
qualified technicians. If the battery requires
replacement, see an authorized dealer.
Programming And Requesting Additional
Key Fobs
Programming the key fob may be performed by an
authorized dealer.
NOTE:
Once a key fob is programmed to a vehicle, it
cannot be repurposed and reprogrammed to
another vehicle.
Only key fobs that are programmed to the
vehicle electronics can be used to start and
operate the vehicle. Once a key fob is
programmed to a vehicle, it cannot be
programmed to any other vehicle.
WARNING!
The integrated key fob contains a coin cell
battery. Do not ingest the battery; there is a
chemical burn hazard. If the coin cell battery is
swallowed, it can cause severe internal burns
in just two hours and can lead to death.
If you think a battery may have been swal-
lowed or placed inside any part of the body,
seek immediate medical attention.
Keep new and used batteries away from chil -
dren. If the battery compartment does not
close securely, stop using the product and
keep it away from children.
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22GETTING TO KNOW YOUR VEHICLE
Duplication of key fobs may be performed at an
authorized dealer. This procedure consists of
programming a blank key fob to the vehicle
electronics. A blank key fob is one that has never
been programmed.
NOTE:
When having the Sentry Key Immobilizer system
serviced, bring all vehicle keys with you to an
authorized dealer.
Keys must be ordered to the correct key cut to
match the vehicle locks.
SENTRY KEY
The Sentry Key Immobilizer system prevents
unauthorized vehicle operation by disabling the
engine. The system does not need to be armed or
activated. Operation is automatic, regardless of
whether the vehicle is locked or unlocked. The system uses a key fob, keyless push button
ignition and a Radio Frequency (RF) receiver to
prevent unauthorized vehicle operation. Therefore,
only key fobs that are programmed to the vehicle
can be used to start and operate the vehicle. The
system cannot reprogram a key fob obtained from
another vehicle.
After placing the ignition in the ON/RUN position,
the Vehicle Security Light will turn on for three
seconds for a bulb check. If the light remains on
after the bulb check, it indicates that there is a
problem with the electronics. In addition, if the light
begins to flash after the bulb check, it indicates
that someone attempted to start the engine with
an invalid key fob. In the event that a valid key fob
is used to start the engine but there is an issue
with the vehicle electronics, the engine will start
and shut off after two seconds.
If the Vehicle Security Light turns on during normal
vehicle operation (vehicle running for longer than
10 seconds), it indicates that there is a fault in the
electronics. Should this occur, have the vehicle
serviced as soon as possible by an authorized
dealer.
All of the key fobs provided with your new vehicle
have been programmed to the vehicle electronics
Ú
page 408.
NOTE:A key fob that has not been programmed is also
considered an invalid key.
IGNITION SWITCH
KEYLESS ENTER ‘N GO™ IGNITION
This feature allows the driver to operate the
ignition switch with the push of a button as long as
the key fob is in the passenger compartment.
The START/STOP ignition button has several
operating modes that are labeled and will
illuminate when in position. These modes are OFF,
ON/RUN, and START.
WARNING!
Always remove the key fobs from the vehicle
and lock all doors when leaving the vehicle
unattended.
Always remember to place the Keyless
Enter ‘n Go™ Ignition in the OFF position when
exiting the vehicle.
CAUTION!
The Sentry Key Immobilizer system is not
compatible with some aftermarket remote
starting systems. Use of these systems may
result in vehicle starting problems and loss of
security protection.

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24GETTING TO KNOW YOUR VEHICLE
NOTE:
The key fob may not be detected by the vehicle
Keyless Enter ‘n Go™ system if it is located next
to a mobile phone, laptop or other electronic
device, or in the cupholders near aluminum
cans; these devices may block the key fob’s
wireless signal and prevent the Keyless Enter ‘n
Go™ system from starting the vehicle.
For more information on the engine starting
procedure, see Úpage 119.
When opening the driver's door and the ignition
is in the ON/RUN position (engine not running),
a chime will sound to remind you to place the
ignition in the OFF position. In addition to the
chime, the message “Ignition ON” will display in
the cluster.
REMOTE START — IF EQUIPPED
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
328 ft (100 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 key fob may
reduce this range Ú page 408.
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.
NOTE:
If the Remote Start button on the key fob is
pushed too rapidly during activation, the vehicle
may not start.
With Remote Start, the engine will only run for
15 minutes.
Remote Start can only be used twice.
If an engine fault is present or fuel level is low,
the vehicle will start and then shut down in 10
seconds.
The parking lights will turn on and remain on
during Remote Start mode.
Headlight animation (if equipped) will occur
when Remote Start is activated, if “Headlight
Illumination On Approach” is enabled within
Uconnect Settings.
For security, power window and power sunroof
operation (if equipped) are disabled when the
vehicle is in the Remote Start mode.
The ignition must be placed in the ON/RUN posi -
tion before the Remote Start sequence can be
repeated for a third cycle.
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.
Keep key fobs away from children. Operation
of the Remote Start system, windows, door
locks or other controls could cause serious
injury or death.

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GETTING TO KNOW YOUR VEHICLE25
(Continued)
All of the following conditions must be met before
the engine will remote start:
Gear selector in PARK
Doors closed
Hood closed
Liftgate closed
Hazard switch off
Brake switch inactive (brake pedal not pressed)
Battery at an acceptable charge level
System not disabled from previous Remote
Start event
Vehicle Security Light is flashing
Ignition in OFF position
Fuel level meets minimum requirement
Vehicle Security system is not signaling an intru
-
sion
Malfunction Indicator Light is not illuminated
TO EXIT REMOTE START MODE
To drive the vehicle after starting the Remote Start
system, either push and release the unlock button
on the key fob to unlock the doors, or unlock the
vehicle using Keyless Enter ‘n Go™ — Passive Entry
via the door handles, and disarm the Vehicle
Security system (if equipped). Then, prior to the
end of the 15 minute cycle, push and release the
START/STOP ignition button.
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:
To avoid unintentional shutdowns, the system
will disable for two seconds after receiving a
valid Remote Start request.

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.

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 timing 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 selected in the Comfort menu screen
within Uconnect Settings
Ú
page 204. 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.
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.
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!
2

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