Jeep Wrangler: INSTRUMENT CLUSTER DISPLAY / Battery Saver On/Battery Saver Mode Message — Electrical Load Reduction
Actions — If Equipped
This vehicle is equipped with an Intelligent
Battery Sensor (IBS) to perform additional
monitoring of the electrical system and status
of the vehicle battery.
In cases when the IBS detects charging system
failure, or the vehicle battery conditions are
deteriorating, electrical load reduction actions
will take place to extend the driving time and
distance of the vehicle. This is done by reducing
power to or turning off non-essential electrical
loads.
Load reduction is only active when the engine is
running. It will display a message if there is a
risk of battery depletion to the point where the vehicle may stall due to lack
of electrical supply,
or will not restart after the current drive cycle.
When load reduction is activated, the message
“Battery Saver On” or “Battery Saver Mode” will
appear in the instrument cluster display.
These messages indicate the vehicle battery
has a low state of charge and continues to lose
electrical charge at a rate that the charging
system cannot sustain.
NOTE:
- The charging system is independent from
load reduction. The charging system
performs a diagnostic on the charging
system continuously.
- If the Battery Charge Warning Light is on it
may indicate a problem with the charging
system.
The electrical loads that may be switched off (if
equipped), and vehicle functions which can be
effected by load reduction:
- Heated Seat/Vented Seats/Heated Wheel
- Rear Defroster And Heated Mirrors
- HVAC System
- 150W Power Inverter System
- Audio and Telematics System
Loss of the battery charge may indicate one or
more of the following conditions:
- The charging system cannot deliver enough
electrical power to the vehicle system
because the electrical loads are larger than
the capability of the charging system. The
charging system is still functioning properly.
- Turning on all possible vehicle electrical
loads (e.g. HVAC to max settings, exterior and
interior lights, overloaded power outlets
+12 Volt, 150W, USB ports) during certain
driving conditions (city driving, towing,
frequent stopping).
- Installing options like additional lights,
upfitter electrical accessories, audio
systems, alarms and similar devices.
- Unusual driving cycles (short trips separated
by long parking periods).
- The vehicle was parked for an extended
period of time (weeks, months).
- The battery was recently replaced and was
not charged completely.
- The battery was discharged by an electrical
load left on when the vehicle was parked.
- The battery was used for an extended period
with the engine not running to supply radio,
lights, chargers, +12 Volt portable appliances
like vacuum cleaner’s, game consoles
and similar devices.
What to do when an electrical load reduction action message is present
(“Battery Saver On” or “Battery Saver Mode”)
During a trip:
- Reduce power to unnecessary loads if
possible:
- Turn off redundant lights (interior or exterior)
- Check what may be plugged in to power
outlets +12 Volt, 150W, USB ports
- Check HVAC settings (blower, temperature)
- Check the audio settings (volume)
After a trip:
- Check if any aftermarket equipment was
installed (additional lights, upfitter electrical
accessories, audio systems, alarms) and
review specifications if any (load and Ignition
Off Draw currents).
- Evaluate the latest driving cycles (distance,
driving time and parking time).
- The vehicle should have service performed if
the message is still present during consecutive
trips and the evaluation of the vehicle
and driving pattern did not help to identify the
cause.
NOTE:
Depending on the vehicle’s options, feature
settings may vary.
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