RAM 1500 2014 User Manual page 154

1500 3.0L DIESEL
Adding Diesel Exhaust Fluid
• The DEF gauge (located in the instrument panel) will display the level of DEF
remaining in the tank.
• Completely fill the DEF tank through the diesel exhaust fluid fill location (located
behind the fuel door) at every maintenance interval or before if prompted by the
Electronic Vehicle Information Center (EVIC).
NOTE:
• Driving conditions (altitude, vehicle speed, load, etc.) will effect the amount of
DEF that is used in your vehicle.
• Since DEF will begin to freeze at 12°F (-11°C), your vehicle is equipped with an
automatic DEF heating system. This allows the DEF injection system to operate
properly at temperatures below 12°F (-11°C). If your vehicle is not in operation for
an extended period of time with temperatures below 12°F (-11°C), the DEF in the
tank may freeze. If the tank is overfilled and freezes, it could be damaged.
Therefore, do not overfill the DEF tank. Extra care should be taken when filling
with portable containers to avoid overfilling. Note the level of the DEF gauge in
your instrument cluster. On pickup applications, you may safely add a maximum of
2 gallons of DEF from portable containers when your DEF gauge is reading ½ full.
DEF Fill Procedure
• Remove cap from DEF tank (located behind the fuel door on drivers side of the
vehicle).
• Insert DEF container or fill nozzle into
DEF fill location and fill DEF tank.
NOTE:
• The DEF gauge may take up to five
seconds to update after adding a gal-
lon or more of Diesel Exhaust Fluid
(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.
• The DEF gauge may also not immedi-
ately update after a refill if the tem-
perature of the DEF fluid is below
12°F (-11°C). The DEF line heater will
possibly 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.
• Reinstall cap onto DEF tank.
• Refer to your Diesel Supplement on the DVD for further details.
152