RAM 2015 1500, Owner'S Manual, Page: 456 / 871

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.
In following situations the engine will not stop:
•
Driver’s seat belt is not buckled
•
Driver’s door is not closed
•
Outside temperature is less than 1°F (–17°C) or greater
than 104°F (40°C)
•
Battery temperature too warm or cold
•
The vehicle is on a steep grade
•
Cabin heating or cooling is in process and an accept-
able cabin temperature has not been achieved
•
HVAC is set to full defrost mode at a high blower
speed
•
Engine has not reached normal operating temperature
•
Battery discharged
•
The transmission is not in DRIVE
•
Hood is open
•
Vehicle is in 4LO transfer case mode
Other factors which can inhibit AutoStop include: fuel
level, accelerator pedal input, engine temp too high and
steering angle.
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 condi-
tions of the items listed above.
454 STARTING AND OPERATING