Ram Trucks 2013 Chassis Cab - Diesel Supplement - Manual (Page 29)

• DEF Low Refill Soon – This message will display
when the low level is reached, during vehicle start up,
and with increased frequency during vehicle opera-
tion. It will be accompanied by a single chime. Ap-
proximately 5 gallons (19 Liters) of DEF is required to
refill the tank when this message is initially displayed.
on pickup applications, and approximately 7 gallons
(28 Liters) are required on chassis-cab applications.
• Speed Limited to 5 MPH in XXX mi Refill DEF – This
message will continuously display if the “DEF Low
Refill Soon” message is ignored, and the frequency of
occurance of the chime will increase unless up to
2 gallons (7.5 Liters) of DEF is added to the tank.
• 5 MPH Max Speed on Restart, Long Idle or Refuel
Refill DEF – This message will continuously display
when the counter reaches zero, and will be accompa-
nied by a periodic chime.
• The vehicle will only be capable of a maximum speed
of 5 MPH upon the first of the following conditions to
occur:
• If the vehicle is shutoff and restarted.
• If the vehicle is idled for an extended period of time,
approximately one hour or greater.
• If the system detects that the level of fuel in the tank
has increased.
• Add a minimum of 2 gallons (9.5 Liters) of DEF to the
tank in order to avoid vehicle operation at a maximum
speed of 5 MPH (8 km/H).
• 5 MPH Max Speed Refill DEF – The vehicle will only
be capable of a maximum speed of 5 MPH (8 km/H)
when this message is displayed. Add up to 2.5 gallons
(9.5 Liters) of DEF to the tank to restore normal vehicle
operation.
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UNDERSTANDING YOUR INSTRUMENT PANEL 27