Jeep grand cherokee 2015 User Manual page 186

DIESEL
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 (800 km).
If the following warning message sequence is ignored, your vehicle may not restart
unless DEF is added within the displayed mileage shown in the DID 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 in the DID 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 DID.
Engine Will Not Restart in XXXX mi Refill DEF – This message will display when DEF
driving range is less than 200 miles. It is also displayed at 150 miles and 100
miles. DEF fluid top off is required with in the displayed mileage. The message
will be displayed in the DID during vehicle start up with an updated distance
mileage, and it will be accompanied by a single chime. Stating at 100 miles,
remaining range will be continuously displayed while operating the vehicle.
Chimes will also accompany the 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 in the DID 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. We recommend you drive
to your nearest authorized dealer and have your vehicle serviced immediately. If
not corrected in 50 miles, vehicle will enter the "Engine Will not restart in XXXmi
Service DEF See dealer" warning stage and message.
Incorrect DEF Detected See Dealer – This message will display if the DEF system has
detected the incorrect fluid has been introduced to the DEF tank. The message
will be accompanied by a single chime. We recommend you drive to your nearest
authorized dealer and have your vehicle serviced immediately. If not corrected in
50 miles, vehicle will enter the Engine Will not restart in XXX mi Service DEF See
dealer warning stage and message.
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