Diesel Exhaust Fluid (Def) Warning Messages; Diesel Exhaust Fluid (Def) Fault Warning Messages - Jeep Grand Cherokee 2017 Manual

Diesel Exhaust Fluid (DEF) Warning Messages

Your vehicle will begin displaying warning messages when
the DEF level reaches a driving range of approximately 500
miles. If the following warning message sequence is ig-
nored, your vehicle may not restart unless DEF is added
within the displayed mileage shown in the message.
• Engine Will Not Restart in XXXX mi DEF Low Refill
Soon — This message will display when DEF driving
range is less than 500 miles, DEF fluid top off is required
with in the displayed mileage. The message will be
displayed during vehicle start up with the current
allowed mileage and accompanied by a single chime.
The remaining mileage can be pulled up anytime by way
of the "Messages" list within the display.
• Engine Will Not Restart in XXXX mi Refill DEF — This
message will display when DEF driving range is less
than 311 miles. It is also displayed at 249 miles, 186
miles, and 124 miles. Continuous Display starts at 124
miles. DEF fluid top off is required with in the displayed
mileage. The message will be displayed during vehicle
start up with an updated distance mileage, and it will be
accompanied by a single chime. Starting at 100 miles,
remaining range will be continuously displayed while
operating the vehicle. Chimes will also accompany the
GETTING TO KNOW YOUR INSTRUMENT PANEL
75, 50 and 25 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 during vehicle
start up, and it will be accompanied by a single chime.
The DEF Low telltale will be illuminated continuously
until DEF fluid tank is filled with a minimum of two
gallons of DEF.
Diesel Exhaust Fluid (DEF) Fault Warning
Messages
There are 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.
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 and each time
the vehicle is started. The message will be accompanied
by a single chime and the Malfunction Indicator Light.
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