2018 Ram 4500 Chassis Cab light

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Page 65 of 298

Ram 4500 Chassis Cab 2018  User Guide — Electric Power Steering Fault
Warning Light
This light will turn on when theres a fault
with the EPS (Electric Power Steering) sys-
tem. Refer to “Power Steering” in “Starting
And Operating

Page 66 of 298

Ram 4500 Chassis Cab 2018  User Guide Certain conditions, such as a loose or missing
gas cap, poor quality fuel, etc., may illumi-
nate the light after engine start. The vehicle
should be serviced if the light stays on
through several typ

Page 67 of 298

Ram 4500 Chassis Cab 2018  User Guide — Tire Pressure Monitoring System
(TPMS) Warning Light
The warning light switches on and a message
is displayed to indicate that the tire pressure
is lower than the recommended value and/or
that slo

Page 68 of 298

Ram 4500 Chassis Cab 2018  User Guide CAUTION!
The TPMS has been optimized for the
original equipment tires and wheels.
TPMS pressures and warning have been
established for the tire size equipped on
your vehicle. Undesirable system opera-

Page 69 of 298

Ram 4500 Chassis Cab 2018  User Guide 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 compone

Page 70 of 298

Ram 4500 Chassis Cab 2018  User Guide age. Refer to the “Draining Fuel/Water Sepa-
rator Filter” section in “Dealer Service” in
“Servicing And Maintenance” for further in-
formation.
— Low Diesel Exhaust Fluid (DEF)
Indicato

Page 71 of 298

Ram 4500 Chassis Cab 2018  User Guide ONBOARD DIAGNOSTIC SYSTEM —
OBD II
Your vehicle is equipped with a sophisticated
Onboard Diagnostic system called OBD II.
This system monitors the performance of the
emissions, engine, and transmiss

Page 74 of 298

Ram 4500 Chassis Cab 2018  User Guide AUXILIARY DRIVING SYSTEMS
Tire Pressure Monitoring System
(TPMS)
The Tire Pressure Monitor System (TPMS)
will warn the driver of a low tire pressure
based on the vehicle recommended cold
placard press