2021 RAM CHASSIS CAB power steering

2
INTRODUCTION
Symbols Key ..........................................................10
VAN CONVERSIONS/CAMPERS ..........................10
VEHICLE MODIFICATIONS/ALTERATIONS .........10
Symbol Glossary ...................................................11
GETTING TO KNOW YOUR VEHICLE
KEYS ......................................................................15
Key Fob......................................................... 15
SENTRY KEY ..........................................................17
IGNITION SWITCH .................................................18
Keyless Push Button Ignition ...................... 18
REMOTE START — IF EQUIPPED (GASOLINE) ..20
How To Use Remote Start ........................... 20
To Exit Remote Start Mode ......................... 21
Remote Start Front Defrost
Activation — If Equipped .............................. 21 Remote Start Comfort Systems —
If Equipped ................................................... 21 Remote Start Abort Message ...................... 22
REMOTE START — IF EQUIPPED (DIESEL) .........22
How To Use Remote Start ........................... 23
VEHICLE SECURITY SYSTEM — IF EQUIPPED ...23
To Arm The System ...................................... 23
To Disarm The System................................. 24
Rearming Of The System............................. 24
Security System Manual Override .............. 24 DOORS .................................................................. 24
Manual Door Locks...................................... 24
Power Door Locks — If Equipped ............... 25
Keyless Enter-N-Go — Passive Entry
(If Equipped) ................................................ 26 Automatic Unlock Doors On
Exit — If Equipped ........................................ 28 Automatic Door Locks — If Equipped ......... 28
Child-Protection Door Lock — If Equipped.. 28
STEERING WHEEL ............................................... 29
Tilt Steering Column .................................... 29
Heated Steering Wheel — If Equipped ....... 29
UCONNECT VOICE RECOGNITION ....................... 30
Introducing Voice Recognition .................... 30
Basic Voice Commands............................... 31
Get Started ................................................... 31
Additional Information ................................. 31
DRIVER MEMORY SETTINGS — IF EQUIPPED ... 32
Programming The Memory Feature............ 32
Linking And Unlinking The Remote
Keyless Entry Key Fob To Memory ............. 32 Memory Position Recall............................... 33
SEATS .................................................................... 33
Manual Front Seat Adjustment................... 34
Power Driver Seat Adjustment —
If Equipped ................................................... 35 Heated Seats — If Equipped ....................... 36
Ventilated Seats — If Equipped................... 37
Head Restraints ........................................... 38 DRIVER ADJUSTABLE PEDALS —
IF EQUIPPED .........................................................40
MIRRORS ..............................................................41
Inside Rearview Mirror ................................ 41
Illuminated Vanity Mirror — If Equipped ..... 43
Outside Mirrors ........................................... 44
Driver's Outside Automatic Dimming
Mirror — If Equipped .................................... 44 Power Mirrors — If Equipped ...................... 44
Power Convex Mirror Switch —
If Equipped ................................................... 45 Trailer Towing Mirrors.................................. 46
Heated Mirrors — If Equipped ..................... 46

Tilt Side Mirrors In Reverse — If Equipped ... 46

Outside Mirrors Folding Feature ................. 46
UNIVERSAL GARAGE DOOR OPENER
(HOMELINK®) — IF EQUIPPED ...........................47
Before You Begin Programming
HomeLink® .................................................. 47 Erasing All The HomeLink® Channels ....... 47
Identifying Whether You Have A Rolling
Code Or Non-Rolling Code Device .............. 47 Programming HomeLink® To A Garage
Door Opener................................................. 48 Programming HomeLink® To A
Miscellaneous Device ................................. 49 Reprogramming A Single HomeLink®
Button ........................................................... 49 Canadian/Gate Operator Programming..... 50

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4
ONBOARD DIAGNOSTIC SYSTEM — OBD II ... 116 Onboard Diagnostic System
(OBD II) Cybersecurity ................................116
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS ........................................................ 117
STARTING AND OPERATING
STARTING THE ENGINE — GASOLINE
ENGINE ............................................................... 118
Automatic Transmission ............................118
Tip Start Feature .......................................118
Keyless Enter-N-Go — Ignition ...................118Normal Starting Using ENGINE
START/STOP Button .................................119 AutoPark — Rotary Shifter and Eight
Speed Transmission Only ..........................120 Cold Weather Operation
(Below –22°F Or −30°C) .........................122 After Starting ..............................................122
STARTING THE ENGINE — DIESEL ENGINE..... 122
Automatic Transmission ............................123
Keyless Enter-N-Go — Ignition ...................123Extreme Cold Weather...............................125
Normal Starting Procedure — Engine Manifold
Air Temperature Above 66°F (19°C) .......125 Starting Procedure — Engine Manifold
Air Temperature 0°F To 66°F
(–18°C to 19°C)........................................126 Starting Procedure — Engine Manifold Air
Temperature Below 0°F (-18°C) .............. 127 Starting Fluids ............................................ 128
NORMAL OPERATION — DIESEL ENGINE ........128
Cold Weather Precautions ........................ 129
Engine Idling ............................................. 131
Noise........................................................... 132
Stopping The Engine ................................. 133
Idle Shutdown ............................................ 133Programmable Maximum Vehicle
Speed ......................................................... 134 Operating Precautions............................... 134Cooling System Tips .................................. 134Diesel Particulate Filter (DPF) Manual
Regeneration - If Equipped ....................... 135
ENGINE BLOCK HEATER — IF EQUIPPED ........135
ENGINE BREAK-IN RECOMMENDATIONS —
GASOLINE ENGINE ............................................136
ENGINE BREAK-IN RECOMMENDATIONS —
DIESEL ENGINE...................................................137
PARKING BRAKE ............................................... 137
DIESEL EXHAUST BRAKE
(ENGINE BRAKING) ...........................................138
AUTOMATIC TRANSMISSION ............................ 140 Ignition Park Interlock ............................... 141Brake/Transmission Shift Interlock (BTSI)
System ....................................................... 141 Eight-Speed Automatic Transmission — If
Equipped .................................................... 141 Six-Speed Automatic
Transmission — If Equipped ..................... 146 AUXILIARY SWITCHES — IF EQUIPPED ........... 152
FOUR-WHEEL DRIVE OPERATION —
IF EQUIPPED ...................................................... 153
Electronically Shifted Transfer Case (Eight
Speed Transmission) — If Equipped ........ 153 Electronically Shifted Transfer Case
(Six Speed Transmission) — If Equipped .. 156 Manually Shifted Transfer Case —
If Equipped ................................................. 160
LIMITED-SLIP DIFFERENTIAL .......................... 162
POWER TAKE OFF (PTO) OPERATION — IF
EQUIPPED .......................................................... 163
POWER STEERING............................................. 163
Hydraulic Power Steering .......................... 163
CRUISE CONTROL SYSTEMS —
IF EQUIPPED ...................................................... 164
Cruise Control — If Equipped ................... 164
Adaptive Cruise Control (ACC) —
If Equipped ................................................ 166
PARKSENSE FRONT/REAR PARK
ASSIST — IF EQUIPPED ..................................... 177
ParkSense Sensors ................................... 178
ParkSense Warning Display...................... 178
ParkSense Display..................................... 178
Enabling And Disabling ParkSense .......... 181Service The ParkSense Park Assist
System........................................................ 182 Cleaning The ParkSense System.............. 182
ParkSense System Usage Precautions .... 182

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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 107.
Red Warning Lights
Seat Belt Reminder Warning Light
Úpage 107
Air Bag Warning Light Úpage 107
Brake Warning Light Úpage 107
Hood Open Warning Light Úpage 108
Vehicle Security Warning Light — If Equipped Úpage 108
Engine Coolant Temperature Warning Light Úpage 108
Battery Charge Warning Light
Úpage 108
Oil Pressure Warning Light Úpage 108
Oil Temperature Warning Light Úpage 109
Electronic Throttle Control (ETC) Warning Light Úpage 109

Electric Power Steering (EPS) Fault Warning Light
Úpage 109
Trailer Brake Disconnected Warning Light Úpage 109
Transmission Temperature Warning Light — If Equipped
Ú page 109
Door Open Warning Light Úpage 110
Red Warning Lights
1

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56GETTING TO KNOW YOUR VEHICLE

Dimmer Controls

With the parking lights or headlights on, rotating
the right dimmer control upward will increase
the brightness of the instrument panel lights.
Rotating the left dimmer control will adjust the
interior and ambient light levels.
NOTE:
The ambient lights are only active when the
headlights or parking lights are on.
ILLUMINATED ENTRY
The courtesy lights will turn on when you use the
key fob to unlock the doors (if the vehicle is
equipped with remote power door locks) or
open any door.
This feature also turns on the puddle
lamps located beneath the outside mirrors
(if equipped).
The lights will fade to off after approximately
30 seconds, or they will immediately fade to off
once the ignition switch is turned to ON/RUN
from the OFF position.
The front courtesy overhead console and door
courtesy lights will not turn off if the Dome On
button on the overhead console is pushed.
The illuminated entry system will not operate if
the Dome Off button on the overhead console is
pushed.
NOTE:
If your vehicle is equipped with Illuminated
Approach lights under the outside mirrors, they
will also be turned off by pushing the Dome Off
button.
WINDSHIELD WIPERS AND WASHERS
The windshield wiper/washer controls are
located on the multifunction lever on the left
side of the steering column. The front wipers are
operated by rotating a switch, located on the
end of the lever.

Windshield Wiper/Washer Lever

1 — Ambient Light Control
2 — Instrument Panel Dimmer Control

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GETTING TO KNOW YOUR INSTRUMENT PANEL109
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.Electric Power Steering (EPS) Fault
Warning Light
This warning light will turn on when
there's a fault with the EPS system
Ú
page 163.
Trailer Brake Disconnected Warning Light
This warning light will illuminate when
the Trailer Brake has been
disconnected Ú page 200.
Transmission Temperature Warning
Light — If Equipped
This warning light will illuminate to
warn of a high transmission fluid
temperature. This may occur with
strenuous usage such as trailer
towing. If this light turns on, stop the vehicle and
run the engine at idle or slightly faster, with the
transmission in PARK or NEUTRAL, until the
light turns off. Once the light turns off, you may
continue to drive normally.
WARNING!
Continued operation with reduced assist
could pose a safety risk to yourself and
others. Service should be obtained as soon
as possible.
WARNING!
If you continue operating the vehicle when
the Transmission Temperature Warning Light
is illuminated you could cause the fluid to boil
over, come in contact with hot engine or
exhaust components and cause a fire.
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146STARTING AND OPERATING

ERS Control

To exit ERS mode, simply push and hold the
GEAR + switch until the gear limit display
disappears from the instrument cluster.
When to Use TOW/HAUL Mode

When driving in hilly areas, towing a trailer, carrying
a heavy load, etc., and frequent transmission
shifting occurs, push the TOW/HAUL switch to
activate TOW/HAUL mode. This will improve
performance and reduce the potential for
transmission overheating or failure due to
excessive shifting.

TOW/HAUL Switch

The “TOW/HAUL Indicator Light” will illuminate in
the instrument cluster to indicate that TOW/HAUL
mode has been activated. Pushing the switch a
second time restores normal operation. Normal
operation is always the default at engine start-up.
If TOW/HAUL mode is desired, the switch must be
pushed each time the engine is started.

SIX-SPEED AUTOMATIC
T
RANSMISSION — IF EQUIPPED
Chassis Cab models may use either the
AS66RC or AS69RC transmission (which are
equipped with a Power Take-Off (PTO) access
cover on the side of the transmission case).

The transmission gear position display
(located in the instrument cluster) indicates the
transmission gear range. The gear selector is
mounted on the right side of the steering column.
You must press the brake pedal to move the gear
selector out of PARK
Ú
page 141. Pull the gear
selector toward you when shifting into REVERSE
or PARK, or when shifting out of PARK.

1 — GEAR + Switch
2 — GEAR – Switch
WARNING!
Do not downshift for additional engine
braking on a slippery surface. The drive
wheels could lose their grip and the vehicle
could skid, causing a collision or personal
injury.
WARNING!

Do not use the TOW/HAUL feature when driving
in icy or slippery conditions. The increased
engine braking can cause the rear wheels to
slide, and the vehicle to swing around with the
possible loss of vehicle control, which may
cause an accident possibly resulting in
personal injury or death.

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STARTING AND OPERATING163
POWER TAKE OFF (PTO) OPERATION — IF
EQUIPPED

This vehicle when equipped with PTO Prep and
the AS66RC/AS69RC automatic six-speed, will
allow for an aftermarket upfit with a transmission
driven PTO (power take off). The customer will
have the ability to operate the PTO in either
a “stationary”, “mobile” or “remote” mode.
The vehicles will be factory set to the “stationary”
mode. To select a different mode, or to change
any other PTO setting, you will need to enter the
commercial vehicle menu on the instrument
cluster screen. Details of the PTO selection
modes and further PTO information is available
at the Ram Truck Bodybuilders web site:
https://
www.ramtrucks.com/ram-commercial/
body-builders-guide.html
POWER STEERING
HYDRAULIC POWER STEERING
The standard power steering system will give
you good vehicle response and increased ease
of maneuverability in tight spaces. The system
will provide mechanical steering capability if
power assist is lost.

If for some reason the power assist is interrupted,
it will still be possible to steer your vehicle. Under
these conditions, you will observe a substantial
increase in steering effort, especially at very low
vehicle speeds and during parking maneuvers.

NOTE:
Increased noise levels at the end of the
steering wheel travel are considered normal
and do not indicate that there is a problem
with the power steering system.
Upon initial start-up in cold weather, the
power steering pump may make noise for a
short amount of time. This is due to the cold,
thick fluid in the steering system. This noise
should be considered normal, and it does not
in any way damage the steering system.
Power Steering Fluid Check
Checking the power steering fluid level at a
defined service interval is not required. The fluid
should only be checked if a leak is suspected,
abnormal noises are apparent, and/or the
system is not functioning as anticipated. Check
fluid level when the engine is cold and off.
Coordinate inspection efforts through an
authorized dealer.
CAUTION!
Prolonged operation of the steering system
at the end of the steering wheel travel will
increase the steering fluid temperature and it
should be avoided when possible. Damage to
the power steering pump may occur.
WARNING!
Fluid level should be checked on a level
surface and with the engine off to prevent
injury from moving parts and to ensure
accurate fluid level reading. Do not overfill.
Use only manufacturer's recommended
power steering fluid.
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164STARTING AND OPERATING
If necessary, add fluid to restore to the proper
indicated level. With a clean cloth, wipe any
spilled fluid from all surfaces Ú page 444.
CRUISE CONTROL SYSTEMS — IF EQUIPPED
Your vehicle may be equipped with the Cruise
Control system, or the Adaptive Cruise Control
(ACC) system:
Cruise Control for cruising at a constant
preset speed.
Adaptive Cruise Control (ACC) for maintaining
a set distance between you and the vehicle
ahead using Fixed Speed Cruise Control to
automatically adjust the preset speed.
NOTE:
In vehicles equipped with ACC, if an ACC
distance is not set, Fixed Speed Cruise Control will not detect vehicles directly ahead of you.
Always be aware of the mode selected.
CRUISE CONTROL — IF EQUIPPED
When engaged, the Cruise Control takes over
accelerator operations at speeds greater than
20 mph (32 km/h), or 25 mph (40 km/h),
depending on the powertrain equipped in the
vehicle.
The Cruise Control buttons are located on the
right side of the steering wheel.

Cruise Control Buttons
NOTE:
In order to ensure proper operation, the Cruise
Control system has been designed to shut down
if multiple speed control functions are operated
at the same time. If this occurs, the Cruise
Control system can be reactivated by pushing
the Cruise Control on/off button and resetting
the desired vehicle set speed.
To Activate
Push the on/off button to activate the Cruise
Control. The cruise indicator light in the
instrument cluster display will illuminate.
To turn the system off, push the on/off button
a second time. The cruise indicator light will turn
off. The system should be turned off when not in
use.
CAUTION!
Do not use chemical flushes in your power
steering system as the chemicals can
damage your power steering components.
Such damage is not covered by the New
Vehicle Limited Warranty.
1 — On/Off Button
2 — CANCEL
3 — RES (+)
4 — SET (-)
WARNING!
Leaving the Cruise Control system on
when not in use is dangerous. You could
accidentally set the system or cause it to go
faster than you want. You could lose control
and have an accident. Always leave the
system off when you are not using it.

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