Jeep Wrangler: STOP/START SYSTEM — MANUAL TRANSMISSION (IF EQUIPPED) / Possible Reasons The Engine Does Not Autostop
Prior to engine shut down, the system will check
many safety and comfort conditions to see if
they are fulfilled. Situations when the engine
will not stop include (but not limited to):
- Driver’s seat belt is not buckled.
- Outside temperature is less than 10°F
(–12°C) or greater than 109°F (43°C).
- Actual cabin temperature is significantly
different than temperature set on Auto HVAC.
- HVAC is set to full defrost mode.
- Engine has not reached normal operating
temperature.
- Battery discharged.
- When driving in REVERSE.
- Hood is open.
- Transfer case is in 4WD Low or N (Neutral).
- Driver's seat is not occupied or driver’s door
is open.
- Vehicle is at high altitude.
- The vehicle is on a steep grade.
- Forward Gear is engaged.
- Steering angle beyond threshold. (ESS
Models Only).
- System fault is present.
- HVAC set to MAX A/C.
It may be possible for the vehicle to be driven
several times without the Stop/Start system
going into a STOP/START READY state under
more extreme conditions of the items listed
above.
WARNING!
Vehicles with the Stop/Start system will be
equipped with two batteries. Both the main
and the supplemental batteries must be
disconnected to completely de-energize the
12 Volt electrical system...
When the gear selector is in NEUTRAL, the
engine will start when the clutch pedal is
pressed (does not require complete/full pedal
press). The vehicle will go into STOP/START
SYSTEM NOT READY mode until the vehicle
speed is greater than 5 mph (8 km/h)...
Other information:
Before exiting the vehicle, make sure that the
parking brake is fully applied. Also, be certain to
leave an automatic transmission in PARK, or
manual transmission in REVERSE or FIRST
gear.
The parking brake lever is located in the center
console...
The tires on your new vehicle provide a balance
of many characteristics. They should be
inspected regularly for wear and correct cold
tire inflation pressures. FCA strongly
recommends that you use tires equivalent to
the originals in size, quality and performance
when replacement is needed...