Diesel Selective Catalytic Reduction (Scr)/Diesel
Particulate Filter (Dpf)
• Your RAM is equipped with an SCR system to reduce Nitrous Oxides
(NOx) exhaust emissions.
• The SCR system uses Diesel Exhaust Fluid (DEF) to convert NOx to
harmless gases prior to release from the exhaust system.
• It is recommended that DEF is refilled by your authorized RAM
dealer at every oil change interval or as required.
• A DEF level gauge is located on your instrument cluster.
• The DEF gauge may take up to 5 seconds to update after adding
a gallon or more of DEF to the DEF tank. If you have a fault
related to the DEF system, the gauge may not update to the new
level. See your authorized dealer for service.
• Also the DEF gauge may also not immediately update after a refill
if the temperature of the DEF fluid is below 12°F (-11°C). The
DEF line heater will usually warm up the DEF fluid and allow the
gauge to update after a period of run time. Under very cold
conditions, it is possible that the gauge may not reflect the new
fill level for several drives.
• Should you run your vehicle out of DEF, a minimum of 2 gallons
(7.6 liters) of DEF is required for the engine to restart.
• Never “top-off” the DEF tank after a normal DEF fill. If DEF is
spilled, it should be cleaned with mild soap and water to prevent
corrosion or damage to components and finished surfaces.
• Your RAM is also equipped with a Diesel Particulate Filter (DPF) that
removes diesel particulate matter or soot from the exhaust gas.
Automatic regeneration self-cleaning cycles occur when the correct
operating conditions are met.
• The instrument cluster display will indicate when a regeneration is
in progress and will provide instructions if any action is required.
• Please
see
your
Diesel
Supplement
at
www.ramtrucks.com/en/owners/manuals for a complete description
of the SCR and DPF systems.
Diesel Particulate Filter (DPF) Messages
Your vehicle has the ability to alert you to additional 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 Cluster 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. The pro-
cedure for clearing and resetting the “Perform Service” indicator
message is located in the appropriate Service Information.
R A M 1 5 0 0 3 . 0 L D I E S E L