Jeep 2015 Grand Cherokee - Diesel Supplement - Manual (Page 34)

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 illumi-
nated 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 accom-
panied by a single chime and the Malfunction Indica-
tor 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.
32 UNDERSTANDING YOUR INSTRUMENT PANEL