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GETTING TO KNOW YOUR INSTRUMENT PANEL 127
Add a minimum of 2 gallons (7.5 Liters) of DEF
to the tank in order to avoid vehicle operation
at a maximum speed of 5 MPH (8 km/H).
NOTE:
A minimum of 2 gallons (7.5 Liters) may be
required to restore normal vehicle operation.
Although the vehicle will start normally and can
be placed in gear after this message has been
initially displayed, extreme caution should be
utilized since the vehicle will only be capable of
maneuvering at a maximum speed of 5 MPH
(8 km/H).
Diesel Exhaust Fluid (DEF) Fault Warning
Messages
There are five different messages which are
displayed if the vehicle detects that the DEF
system has been filled with a fluid other than
DEF, has experienced component failures, or
when tampering has been detected. The vehicle
may be limited to a maximum speed of 5 MPH
(8 km/H) if the DEF system is not serviced
within less than 200 miles (322 km) of the fault
being detected.
When the DEF system needs to be serviced the
following warnings will display:
Service DEF System See Dealer — This
message will display when the fault is initially
detected, each time the vehicle is started,
and periodically during driving. The message
will be accompanied by a single chime. We
recommend you drive to your nearest autho-
rized dealer and have your vehicle serviced
as soon as possible.
5 MPH Max Speed in 150 mi Service DEF
System See Dealer — This message will
display if the DEF system has not been
serviced after the “Service DEF System – See
Dealer” message is displayed. This message
will continuously display until the mileage
counter reaches zero, and will be accompa-
nied by a periodic chime. The message will
continue to countdown until it reaches zero
unless the vehicle is serviced. We recom-
mend you drive to your nearest authorized
dealer and have your vehicle serviced imme-
diately.
NOTE:
Under some circumstances this mileage
counter may start with a value of less than
150 miles (241 km). For example, if recurring
faults are detected in a time interval of less
than 40 hours, the counter may restart at the
value where it stopped when a previous fault
was temporarily remedied, or at a minimum of
50 miles (80 km).
5 MPH Max Speed on Restart, Long Idle or
Refuel Service DEF See Dealer — This
message will continuously display when the
mileage counter reaches zero, and will be
accompanied 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.
5 MPH Max Speed Service DEF System See
Dealer — This message will continuously
display, and will be accompanied by a peri-
odic chime. Although the vehicle can be
started and placed in gear, the vehicle will
only operate at a maximum speed of 5 MPH.
Your vehicle will require towing, see an
authorized dealer for service.
3
20_DJD2_OM_EN_USC_t.book Page 127
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