20-EE-005H

GROUP
NUMBER
Engine Electrical
DATE
Technical Service Bulletin
20-EE-005H
MODEL(S)
March, 2020
Santa Fe (TM),
Palisade (LX2),
Sonata (DN8)
BATTERY DARK CURRENT CONTROL SETTING
SUBJECT:
Description: Hyundai vehicles are equipped with Dark Current Control logic to help reduce amperage
draw amount and conserve Battery State of Charge (SOC%). A selected Dark Current Control Mode
will function when the vehicle is in the key off state, and will not affect vehicle functionality or
performance.
This TSB outlines the procedure to change the Dark Current Control Mode using the vehicle User
Setting Mode (USM) or GDS Mobile.
Hyundai highly recommends storing dealer stock vehicles in Dealer Mode, and then setting the vehicle
to Customer Mode when it is retailed and delivered to the customer.
Applicable Vehicles: 2019MY and newer Santa Fe (TM)
2020MY and newer Palisade (LX2)
2020MY and newer Sonata (DN8)
Example only, display varies by model and trim
Factory Mode
 Factory only
 Displays battery SOC
 Lowest dark current draw
Dealer/Shipping Mode
 When the vehicle is shipped
to the dealer
 Displays battery SOC
 Mid-level dark current draw
 Recommended mode for
dealer stock
Customer Mode
(Standard Vehicle Mode)
 When delivered to the
customer
 Battery SOC does not
display
 Retailed vehicle normal
operation mode
NOTICE
Factory or Dealer/Shipping Mode automatically switches to Customer Mode when the
odometer reaches 372miles (600km).
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair
SUBJECT:
BATTERY DARK CURRENT CONTROL SETTING
User Setting Mode (USM):
Dark Current Control Modes setting flow in the specified order.
GDS-Mobile
Dark Current Control Modes can be accessed in any order.
NOTICE
For certain models and model years, Dark Current Control may also be called Quiescent
Current Control.
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BATTERY DARK CURRENT CONTROL SETTING
Service Procedure:
A. Using USM to Change Dark Current Control Modes.
1.
To change the Dark Current Control Mode
using the vehicle USM, hold down the OK
button on the steering wheel.
The vehicle cluster will indicate the updated
Dark Current Control Mode.
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BATTERY DARK CURRENT CONTROL SETTING
B. Using GDS Mobile to Select Dark Current Control Mode
1.
Turn the vehicle ignition key or press the
Start/Stop Button to the ON position.
2.
Connect the wireless VCI to the vehicle DLC
located under the driver’s side dash.
3.
Access the Hyundai GDS-Mobile tablet.
4.
Select S/W Management.
5.
If applicable, confirm the vehicle Information.
6.
Select Integrated Central Control Unit
from the Systems list.
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BATTERY DARK CURRENT CONTROL SETTING
7.
Select User Option.
8.
The User Option Information Table will
appear.
Select OK to access the [Data Write]
checklist.
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9.
BATTERY DARK CURRENT CONTROL SETTING
The [Data Write] checklist will appear.
Select the Dark Current Control checkbox.
10.
Select the applicable Dark Current Control
Mode from the drop-down list.
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11.
BATTERY DARK CURRENT CONTROL SETTING
After making a selection from the drop down
menu, an Information message will appear.
Select OK.
12.
Press OK to format the vehicle to the
selected Dark Current Control Mode.
13.
Upon pressing OK, the vehicle cluster will
automatically shift to the selected Dark
Current Control Mode.
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14.
BATTERY DARK CURRENT CONTROL SETTING
Press cancel to complete the setting.
Dealer/Shipping MODE
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