maintenance Ram 4500 Chassis Cab 2020 Owner's Manual

TABLE OF CONTENTS
1
2
3
4
5
6
7
8
9
10
11
1 INTRODUCTION ............................................................................................................................ 10
2 GETTING TO KNOW YOUR VEHICLE ..................................................................................12
3 GETTING TO KNOW YOUR INSTRUMENT PANEL ........................................................82
4 SAFETY ......................................................................................................................................... 120 5 STARTING AND OPERATING ............................................................................................... 183
6 IN CASE OF EMERGENCY .................................................................................................... 294 7 SERVICING AND MAINTENANCE ...................................................................................... 329
8 TECHNICAL SPECIFICATIONS ............................................................................................ 397
9 MULTIMEDIA ...............................................................................................................................414
10 CUSTOMER ASSISTANCE .................................................................................................... 500
11 INDEX ............................................................................................................................................ 504

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ONBOARD DIAGNOSTIC SYSTEM — OBD II ....... 118
Onboard Diagnostic System (OBD II)
Cybersecurity..............................................118
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS ...................................................... 119
SAFETY
SAFETY FEATURES ............................................ 120
Anti-Lock Brake System (ABS) ................. 120
Electronic Brake Control (EBC) System ...121
AUXILIARY DRIVING SYSTEMS ........................ 129
Forward Collision Warning (FCW) With
Mitigation — If Equipped............................129 Tire Pressure Monitoring System
(TPMS) .....................................................132
OCCUPANT RESTRAINT SYSTEMS .................. 141
Occupant Restraint Systems Features ....141
Important Safety Precautions ...................141Seat Belt Systems ..................................... 142Supplemental Restraint Systems (SRS) ...151Child Restraints ........................................160
Transporting Pets ....................................179
SAFETY TIPS .................................................... 180
Transporting Passengers ..........................180
Exhaust Gas ........................................... 180
Safety Checks You Should Make Inside
The Vehicle ................................................180 Periodic Safety Checks You Should Make
Outside The Vehicle ...................................182
STARTING AND OPERATING
STARTING THE ENGINE — GAS ENGINE .........183
Automatic Transmission............................ 183
Tip Start Feature ....................................... 183Keyless Enter-N-Go — Ignition ................... 184
Normal Starting Using ENGINE START/
STOP Button ............................................ 184 Cold Weather Operation
(Below –22°F Or −30°C) ......................... 187 After Starting .............................................. 187
STARTING THE ENGINE — DIESEL ENGINE .... 187
Automatic Transmission............................ 187
Keyless Enter-N-Go — Ignition ................... 188
Extreme Cold Weather .............................. 190
Normal Starting Procedure — Engine Manifold
Air Temperature Above 66°F (19°C) ....... 191 Starting Procedure — Engine Manifold Air
Temperature 0°F To 66°F
(–18°C to 19°C) ....................................... 191 Starting Procedure — Engine Manifold Air
Temperature Below 0°F (-18°C) .............. 192 Starting Fluids ............................................ 193 NORMAL OPERATION — DIESEL ENGINE ....... 194
Cold Weather Precautions ........................ 194
Engine Idling ............................................. 197
Noise .......................................................... 198
Stopping The Engine ................................. 198Idle Shutdown ............................................ 199
Programmable Maximum Vehicle Speed ..... 199

Operating Precautions .............................. 200
Cooling System Tips .................................. 200
Diesel Particulate Filter (DPF) Manual
Regeneration - If Equipped ....................... 201
ENGINE BLOCK HEATER — IF EQUIPPED ........ 201
ENGINE BREAK-IN RECOMMENDATIONS —
GAS ENGINE ...................................................... 202
ENGINE BREAK-IN RECOMMENDATIONS —
DIESEL ENGINE .................................................. 202
DIESEL EXHAUST BRAKE
(ENGINE BRAKING) ........................................... 203
PARKING BRAKE .............................................. 204
AUTOMATIC TRANSMISSION ........................... 205 Ignition Park Interlock ............................... 206Brake/Transmission Shift Interlock
System ....................................................... 206 Six–Speed Automatic Transmission —
If Equipped ................................................ 207 Eight-Speed Automatic Transmission —
If Equipped ................................................. 213
AUXILIARY SWITCHES — IF EQUIPPED ........... 218

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FOUR-WHEEL DRIVE OPERATION —
IF EQUIPPED ...................................................... 218 Electronically Shifted Transfer Case (Eight
Speed Transmission) — If Equipped ........219 Electronically Shifted Transfer Case
(Six Speed Transmisson) —
If Equipped ...............................................222 Manually Shifted Transfer Case —
If Equipped .................................................226
LIMITED-SLIP DIFFERENTIAL .......................... 228
POWER TAKE OFF (PTO) OPERATION — IF
EQUIPPED .......................................................... 228
POWER STEERING ............................................. 229
Hydraulic Power Steering ..........................229
SPEED CONTROL .............................................. 230
To Activate .................................................. 230To Set A Desired Speed .............................230To Vary The Speed Setting ........................ 230To Accelerate For Passing ........................ 231To Resume Speed......................................231
To Deactivate .............................................231
ADAPTIVE CRUISE CONTROL (ACC) —
IF EQUIPPED .................................................... 232
Adaptive Cruise Control (ACC)
Operation ....................................................233 Activating Adaptive Cruise
Control (ACC) .............................................. 234 To Activate/Deactivate .............................. 234
To Set A Desired ACC Speed ..................... 235To Cancel.................................................... 235To Turn Off.................................................. 235
To Resume ................................................. 236
To Vary The Speed Setting ........................ 236
Setting The Following Distance In ACC..... 237Overtake Aid............................................... 239ACC Operation At Stop............................... 239Adaptive Cruise Control (ACC) Menu ........ 239Display Warnings And Maintenance ........ 240Precautions While Driving With ACC......... 241
General Information .................................. 244Normal (Fixed Speed) Cruise
Control Mode ............................................. 244
PARKSENSE REAR PARK ASSIST —
IF EQUIPPED .....................................................246
ParkSense Sensors ................................... 246
ParkSense Warning Display ...................... 247
ParkSense Display ..................................... 247
Enabling And Disabling ParkSense .......... 249Service The ParkSense Rear Park Assist
System ........................................................ 249 Cleaning The ParkSense System.............. 249
ParkSense System Usage Precautions .... 249 PARKSENSE FRONT AND REAR
PARK ASSIST ................................................... 250
ParkSense Sensors ................................... 251
ParkSense Warning Display...................... 251
ParkSense Display..................................... 251
Enabling And Disabling Front And/Or Rear
ParkSense .................................................. 254 Service The ParkSense Front/Rear Park
Assist System ............................................. 254 Cleaning The ParkSense System.............. 254
ParkSense System Usage Precautions .... 254
LANESENSE — IF EQUIPPED ........................... 256
LaneSense Operation................................ 256
Turning LaneSense On Or Off ................... 256
LaneSense Warning Message .................. 257Changing LaneSense Status..................... 258
PARKVIEW REAR BACK UP CAMERA ............ 258
AUX Camera — If Equipped ...................... 261
SURROUND VIEW CAMERA SYSTEM —
IF EQUIPPED ..................................................... 261
AUX Camera — If Equipped ...................... 267
ENGINE RUNAWAY ............................................ 267
REFUELING THE VEHICLE — GAS ENGINE ...... 268 Loose Fuel Filler Cap Message ................ 268

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REFUELING THE VEHICLE —
DIESEL ENGINE ................................................. 269 Fuel Filler Cap ............................................269
Avoid Using Contaminated Fuel ................269Bulk Fuel Storage — Diesel Fuel ...............269
Diesel Exhaust Fluid ..................................270Diesel Exhaust Fluid Storage ....................270
Adding Diesel Exhaust Fluid (DEF) ........... 271
VEHICLE LOADING .......................................... 273
Gross Vehicle Weight Rating (GVWR) ......273Payload .......................................................273Gross Axle Weight Rating (GAWR) ............273
Tire Size ......................................................273
Rim Size......................................................273
Inflation Pressure ......................................273
Curb Weight................................................273
Loading .......................................................273
TRAILER TOWING ............................................ 274
Common Towing Definitions .....................274Trailer Hitch Type and Maximum
Trailer Weight .............................................278 Trailer Towing Weights (Maximum Trailer
Weight Ratings) .......................................279 Trailer And Tongue Weight .......................279
Towing Requirements ...............................279
Towing Tips ................................................284 SNOWPLOW ....................................................... 286
Before Plowing ........................................... 286
Snowplow Prep Package Model
Availability .................................................. 286 Over The Road Operation With Snowplow
Attached ..................................................... 287 Operating Tips ............................................ 287General Maintenance................................ 287
RECREATIONAL TOWING (BEHIND
MOTORHOME, ETC.) .......................................... 288
Towing This Vehicle Behind Another
Vehicle ........................................................ 288 Recreational Towing — Two-Wheel Drive
Models ........................................................ 289 Recreational Towing — Four-Wheel Drive
Models ........................................................ 289
DRIVING TIPS ...................................................... 292
Driving On Slippery Surfaces ................... 292
Driving Through Water .............................. 292
IN CASE OF EMERGENCY
HAZARD WARNING FLASHERS .................... 294
ASSIST AND SOS SYSTEM — IF EQUIPPED..... 294General Information .................................. 299
BULB REPLACEMENT ......................................300
Replacement Bulbs .............................. 300
Replacing Exterior Bulbs ........................... 301
FUSES ..................................................................305
Power Distribution Center ......................... 306 JACKING AND TIRE CHANGING ...................... 314
4500/5500 Models .................................. 315
Preparations For Jacking .......................... 315
Jacking Instructions 4500 And
5500 Series ............................................... 315 To Stow The Flat Or Spare —
If Equipped ................................................ 318 Hub Caps/Wheel Covers —
If Equipped ............................................... 318
JUMP STARTING ............................................... 319
Preparations For Jump Start ..................... 320
Jump Starting Procedure .......................... 320
IF YOUR ENGINE OVERHEATS ......................... 321
GEAR SELECTOR OVERRIDE — 6–SPEED
TRANSMISSION ................................................ 322
MANUAL PARK RELEASE — 8 – SPEED
TRANSMISSION ................................................ 323
FREEING A STUCK VEHICLE ............................ 324
TOWING A DISABLED VEHICLE ...................... 326
Two-Wheel Drive Models ........................... 327
Four-Wheel Drive Models .......................... 327
Emergency Tow Hooks — If Equipped ...... 328
ENHANCED ACCIDENT RESPONSE SYSTEM
(EARS) ................................................................ 328
EVENT DATA RECORDER (EDR) ....................... 328

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SERVICING AND MAINTENANCE
SCHEDULED SERVICING — GAS ENGINE ....... 329Maintenance Plan......................................330
Heavy Duty Use Of The Vehicle ................. 333
SCHEDULED SERVICING — DIESEL ENGINE .. 334
Oil Change Indicator System —
Cummins Diesel .........................................335 Perform Service Indicator —
Cummins Diesel ........................................335 Maintenance Plan — Cummins
Diesel Engine ............................................336
ENGINE COMPARTMENT ................................ 343
6.4L Engine ...............................................3436.7L Engine ................................................344
Checking Oil Level — Gas Engine .............345
Checking Oil Level — Diesel Engine ..........345
Adding Washer Fluid ................................345Maintenance-Free Battery .......................346
Pressure Washing ......................................346
DEALER SERVICE .............................................. 347
Engine Oil .................................................. 347Engine Oil Filter ........................................349
Engine Air Cleaner Filter .........................349
Air Conditioner Maintenance ................. 351
Accessory Drive Belt Inspection................354Draining Fuel/Water Separator Filter .....354
Engine Mounted Fuel Filter
Replacement ..............................................356 Underbody Mounted Fuel Filter
Replacement ..............................................357 Priming If The Engine Has Run
Out Of Fuel ................................................ 358 Intervention Regeneration Strategy —
Message Process Flow ............................. 359 Diesel Exhaust Fluid .................................. 359Body Lubrication ...................................... 360
Windshield Wiper Blades ........................ 360
Exhaust System ........................................ 362
Cooling System ......................................... 363
Charge Air Cooler — Inter-Cooler .............. 366
Brake System ............................................ 367Automatic Transmission............................ 368
Rear Axle And 4x4 Front Driving Axle Fluid
Level ....................................................... 370 Transfer Case ............................................ 371Noise Control System Required
Maintenance & Warranty ......................... 371
HOISTING ............................................................374
TIRES....................................................................374
Tire Safety Information ........................... 374
Tires — General Information .................... 382
Tire Types ................................................... 386
Spare Tires — If Equipped ....................... 387
Wheel And Wheel Trim Care .................. 389Tire Chains and Traction Devices ............ 390
Tire Rotation Recommendations .............. 391 DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES .................................... 392
Treadwear .................................................. 392
Traction Grades ......................................... 392Temperature Grades ................................. 393
STORING THE VEHICLE .................................. 393
BODYWORK ........................................................ 393 Protection From Atmospheric Agents ..... 393
Body And Underbody Maintenance .......... 394Preserving The Bodywork.......................... 394
INTERIORS ......................................................... 395
Seats And Fabric Parts .............................. 395
Plastic And Coated Parts........................... 396
Leather Parts ............................................. 396
Glass Surfaces .......................................... 396
TECHNICAL SPECIFICATIONS
IDENTIFICATION DATA ...................................... 397Vehicle Identification Number ................. 397
BRAKE SYSTEM ................................................ 397
Hydraulic Brake Assist — If Equipped....... 397
WHEEL AND TIRE TORQUE
SPECIFICATIONS .............................................. 397
Torque Specifications .............................. 398

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10
INTRODUCTION
Dear Customer, congratulations on selecting
your new vehicle. Be assured that it represents
precision workmanship, distinctive styling, and
high quality.
This is a specialized utility vehicle. It can go
places and perform tasks that are not intended
for conventional passenger vehicles. It handles
and maneuvers differently from many
passenger vehicles both on-road and off-road,
so take time to become familiar with your
vehicle. If equipped, the two-wheel drive version
of this vehicle was designed for on-road use
only. It is not intended for off-road driving or use
in other severe conditions suited for a
four-wheel drive vehicle. Before you start to
drive this vehicle, read the Owner’s Manual. Be
sure you are familiar with all vehicle controls,
particularly those used for braking, steering,
transmission, and transfer case shifting. Learn
how your vehicle handles on different road
surfaces. Your driving skills will improve with
experience. When driving off-road, or working
the vehicle, don’t overload the vehicle or expect
the vehicle to overcome the natural laws of
physics. Always observe federal, state, provin-cial and local laws wherever you drive. As with
other vehicles of this type, failure to operate this
vehicle correctly may result in loss of control or
a collision. Refer to the “Driving Tips” in
“Starting and Operating” for further informa
-
tion.
This Owner's Manual has been prepared with
the assistance of service and engineering
specialists to acquaint you with the operation
and maintenance of your vehicle. It is
supplemented by Warranty Information, and
customer-oriented documents. Within this
information, you will find a description of the
services that FCA US LLC offers to its
customers, the vehicle's warranty coverage,
and the details of the terms and conditions for
maintaining its validity. Please take the time to
read all of these publications carefully before
driving your vehicle for the first time. Following
the instructions, recommendations, tips, and
important warnings in this manual will help
assure safe and enjoyable operation of your
vehicle. This Owner's Manual describes all versions of
this vehicle. Options and equipment dedicated
to specific markets or versions are not expressly
indicated in the text. Therefore, you should only
consider the information which is related to the
trim level, engine, and version that you have
purchased. Any content introduced throughout
the Owner's Information, that may or may not be
applicable to your vehicle, will be identified with
the wording “If Equipped”. All data contained in
this publication are intended to help you use
your vehicle in the best possible way. FCA US
LLC aims at a constant improvement of the
vehicles produced. For this reason, it reserves
the right to make changes to the model
described for technical and/or commercial
reasons. For further information, contact an
authorized dealer.
When it comes to service, remember that an
authorized dealer knows your vehicle best, has
factory-trained technicians and genuine
MOPAR® parts, and cares about your
satisfaction.

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12
GETTING TO KNOW YOUR VEHICLE
VEHICLE USER GUIDE — IF EQUIPPED
Access your Owner’s Information right through
your Uconnect 4C or 4C NAV touchscreen
system (if equipped).
To access the Vehicle User Guide on your
Uconnect Touchscreen: Press the Uconnect
Apps button. From there, press the Vehicle User
Guide icon on your touchscreen. No Uconnect
registration is required.

Uconnect 4C NAV With 8.4–inch Display Vehicle User Guide Touchscreen Icon
NOTE:
Vehicle User Guide features are not available
while the vehicle is moving. If you try to access
while the vehicle is in motion, the system will
display the message “Feature not available
while the vehicle is in motion”.
Pre-Installed Features
Your User Guide — Updated in real-time
Touchscreen convenience
Maintenance schedules and information
Comprehensive icon and symbol glossary
Available when and where you need it
Customizable interface
Multilingual
Once you launch your Vehicle User Guide, you
will be able to explore your warranty information
and radio manual when and where you need
them. Your Uconnect system displays the
Vehicle User Guide on your touchscreen radio to
assist in better understanding your vehicle.
There’s no app to download, no phone to connect and no external device needed for play
-
back. Plus, it’s updated throughout the year, in
real-time, so it never goes out of date.
Features/Benefits
Pre-installed on your Uconnect touchscreen
radio
Enhanced search and browsing capability
Robust NAV application (if equipped)
Add selected topics to a fast-access Favor -
ites category
Icon and symbol glossary
Warranty information
Crucial driver information and assistance:
Operating Instructions
Warranty Information
Fluid Level Standards
Maintenance Schedules
Emergency Procedures
911 Contact and More

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84GETTING TO KNOW YOUR INSTRUMENT PANEL
6. 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.
Refer to “Refueling The Vehicle — Gas
Engine” in “Starting And Operating” for
further information. 7. 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
operating range.
WARNING!
A hot engine cooling system is dangerous.
You or others could be badly burned by steam
or boiling coolant. You may want to call an
authorized dealer for service if your vehicle
overheats. If you decide to look under the
hood yourself, see “Servicing And
Maintenance.” Follow the warnings under the
Cooling System Pressure Cap paragraph.
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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86GETTING TO KNOW YOUR INSTRUMENT PANEL
Premium Instrument Cluster Descriptions

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. Refer to “Instrument
Cluster Display” in “Getting To Know Your
Instrument Panel” for further informa -
tion.
3. Speedometer
Indicates vehicle speed. 4. 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.
Refer to “Refueling The Vehicle — Gas
Engine” in “Starting And Operating” for
further information.
5. 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
operating range.
WARNING!
A hot engine cooling system is dangerous.
You or others could be badly burned by steam
or boiling coolant. You may want to call an
authorized dealer for service if your vehicle
overheats. If you decide to look under the
hood yourself, see “Servicing And
Maintenance.” Follow the warnings under the
Cooling System Pressure Cap paragraph.
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 PANEL103
Diesel Messages And Warnings — 6.7L
Cummins Diesel Engine
Diesel Particulate Filter (DPF) Messages
The Cummins diesel engine meets all diesel
emissions standards, resulting in one of the
lowest emitting diesel engines ever produced.
To achieve these emissions standards, your
vehicle is equipped with a state-of-the-art
engine and exhaust system. These systems are
seamlessly integrated into your vehicle and
managed by the Powertrain Control Module
(PCM). The PCM manages engine combustion
to allow the exhaust system’s catalyst to trap
and burn Particulate Matter (PM) pollutants,
with no input or interaction on your part. Your vehicle has the ability to alert you to addi
-
tional maintenance required on your vehicle or
engine. The following messages may display in
your instrument cluster display:Perform Service — Your vehicle will require
emissions maintenance at a set interval. To
help remind you when this maintenance is
due, the instrument cluster display will
display “Perform Service”. When the
“Perform Service” message is displayed in
the instrument cluster display it is necessary
to have the emissions maintenance
performed. Emissions maintenance may
include replacing the Closed Crankcase
Ventilation (CCV) filter element. The proce -
dure for clearing and resetting the "Perform
Service" indicator message is located in the
appropriate Service Information.
Exhaust System — Regeneration Required
Now — "Exhaust Filter XX% Full Safely Drive at
Highway Speeds to Remedy" will be displayed
in the instrument cluster display if the
exhaust particulate filter reaches 80% of its
maximum storage capacity. Under conditions
of exclusive short duration and low speed
driving cycles, your Cummins diesel engine
and exhaust after-treatment system may
never reach the conditions required to remove the trapped PM. If this occurs, the
“Exhaust Filter XX% Full Safely Drive at
Highway Speeds to Remedy” message will be
displayed in the instrument cluster display. If
this message is displayed, you will hear one
chime to assist in alerting you of this condi
-
tion
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
Diesel Particulate Filter (DPF) is self-cleaning.
Maintain your current driving condition until
regeneration is completed.
Exhaust System — Regeneration Completed
— This message indicates that the Diesel
Particulate Filter (DPF) self-cleaning is
completed. If this message is displayed, you
will hear one chime to assist in alerting you of
this condition.
WARNING!
A hot exhaust system can start a fire if you
park over materials that can burn. Such
materials might be grass or leaves coming
into contact with your exhaust system. Do not
park or operate your vehicle in areas where
your exhaust system can contact anything
that can burn.
3

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