Jeep Gladiator 2021 - Possible Reasons the Engine Does Not Autostop; To Start the Engine While in Autostop Mode

STARTING AND OPERATING 171
The Stop/Start feature is enabled after every
normal customer engine start. At that time, the
system will go into STOP/START READY.
To Activate The Autostop Mode, The Following
Mu
st Occur:
 The system must be in STOP/START READY
state. A STOP/START READY message will be
displayed in the instrument cluster display
within the Stop/Start section Ú page 115.
 The vehicle must be completely stopped.
 The gear selector must be in a forward gear
and the brake pedal pressed.
The engine will shut down, the tachometer will
mo
ve to the zero position and the Stop/Start
telltale will illuminate indicating you are in
Autostop. Customer settings will be maintained
upon return to an engine running condition.
POSSIBLE REASONS THE ENGINE DOES
N
OT AUTOSTOP
Prior to engine shut down, the system will check
many safety and comfort conditions to see if
they are fulfilled. Detailed information about the
operation of the Stop/Start system may be
viewed in the instrument cluster display
Stop/Start Screen. In the following situations,
th
e engine will not stop:
 Driver’s seat belt is not buckled
 Driver’s door is not closed
 Battery temperature is too warm or cold
 Battery charge is low
 The vehicle is on a steep grade
 Cabin heating or cooling is in process and an
acceptable cabin temperature has not been
achieved
 HVAC is set to full defrost mode at a high
blower speed
 HVAC set to MAX A/C
 Engine has not reached normal operating
temperature
 Engine temperature too high
 The transmission is not in a forward gear
 Hood is open
 Transfer case is in 4L or N (Neutral)
 Brake pedal is not pressed with sufficient
pressure
 Accelerator pedal input
 Vehicle speed threshold not achieved from
previous Autostop
 Steering angle beyond threshold
 ACC is on and speed is set
 Vehicle is at high altitude
 System fault present
It may be possible for the vehicle to be driven
se
veral times without the Stop/Start system
going into a STOP/START READY state under
more extreme conditions of the items listed
above.
TO START THE ENGINE WHILE IN
A
UTOSTOP MODE
While in a forward gear, the engine will start
when the brake pedal is released or the throttle
pedal is pressed. The transmission will
automatically re-engage upon engine restart.
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