RAM Trucks 1500, Owner'S Manual

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mile remaining distances. The DEF Low telltale will be
on continuously until DEF fluid is topped off.
•
Engine Will Not Restart Refill DEF — This message
will display when the DEF driving range is less than 1
mile, DEF fluid top off is required or the engine will
not restart. The message will be displayed in the DID
during vehicle start up, and it will be accompanied by
a single chime. The DEF Low telltale will be illumi-
nated continuously until DEF fluid tank is filled with a
minimum of two gallons of DEF.
•
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 fre-
quency 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).
180 UNDERSTANDING YOUR INSTRUMENT PANEL