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ELECTRIC MODE TEMPORARILY
UNAVAILABLE
If Electric Dr ive mode is unavailable, the reason will
display for five seconds at start up. If your check engine
light comes on, see an authorized dealer immediately.
See the following information for the most common
reasons that the Electric mode would be unavailable:
Operator Choices that can inhibit Electric mode
•
Transmission in Manual Shift mode - Shift to Drive
to use Electric mode.
•
Heavily depressed accelerator pedal position,
requesting high power demand - Beyond the limits
of the ele ctr ic drivetrain, will cause engine to run,
enabling the powertrain to produce its full combined
power available in Hybrid mode.
•
Sustained high spe ed operation i n Electric mode -
Using the engine is more efficient for high speeds
than Electric drive.
•
Transfer case and drive mode selection - eSave
mode almost a lways runs the engine. Hybrid mode,
in 4WD Low, will also r un the engine.
•
Electric range is depleted - You need to recharge to
enjoy Electric mode, or you can continue normally in
Hybrid.
•
Hood open (or a hood switch fault) - This is to pre-
vent unexpected engine starts with the hood open.
Thermal Protection that can inhibit Electric mode
•
Engine, transmission or engine starting belt too
cold - Some systems require warm up to function
properly if the ou tsid e temperature is below 32°F
(15°F in Electric Drive mode).
•
Electric cabin heating capacity li mit s (or electric
cabin heater fault) - Unlike Battery Electric Vehicles
(BEV's), the PHEV Wrangler can warm the cabin
more efficiently with engine heat when operating
below 15°F outside temperature.
•
HV battery, motors or contactors over temperature -
This is a temporary hardware protection feature.
Vehicle performance will resume once protection is
no longer required. If the vehicle performance is
accompanied with a Malfunction Indicator Lamp
(MIL)
, have the vehicle serviced at an autho-
rized dealership.
Component Protection that can inhibit Electric mode
•
HV battery undervoltage - Sustained EV operation at
high speed, espe cially with aftermarket wheels and
tires, can i ndu ce this.
•
Other electric propulsion system faults indicated by
a MIL - Please bring the vehicle to your dealership
for service.
•
Fuel And Oil Refresh mode - See the following
section.
Fuel And Oil Refresh Mode
Since it is possible to operate this vehicle for extended
periods of time without running the gas engine, the fuel
within the vehicle’s fuel tank can become stale or the
engine oil’s lu bric ati ng properties can be reduced. To
prevent engine and/or fuel system damage due to stale
fuel, as well as maintaining internal engine lubrication,
this vehicle is equipped with a Fuel a nd Oil Refresh
mode.
The vehicle will automatically enter into the Fuel and Oil
Refresh mode to minimize potential for stale fuel, and
to ensure lubrication of internal engine components.
When operating in this mode, the gas engine will run to
provide vehicle propulsion (electric only operation is
inhibited). A message will be displayed in t he instru-
ment cluster whenever Fuel and Oil Refresh mode is
active.
The vehicle will automatically exit the Fuel and Oil
Refresh mode when fuel and lu bric ati on conditions
have been satisfied. If the vehicle enters Fuel and Oil
Refresh mode, due to fuel which has been in the f uel
tank for a long period of time (becoming stale fuel), the
Electric Mode Temporarily Unavailable Message
Fuel And Oil Refresh Mode Message
126 GETTING TO KNOW YOUR INSTRUMENT PANEL
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