GROUP

NUMBER

BRAKE

Technical Service Bulletin
SUBJECT:

DATE

23-BR-002H
MODEL(S)

SEPTEMBER 2023

KONA (OS)

ECU UPDATE (ESC SMART CRUISE CONTROL LOGIC)

Description: This bulletin provides the procedure for updating the software of the Electronic Stability
Control (ESC) on 2022 – 2023MY Kona (OS) 1.6L turbo models equipped with smart cruise control. In
certain Konas when using smart cruise control (SCC), there can be a delayed acceleration response to
achieve the set (higher) speed, for example, after the slower vehicle ahead departs the lane.
SCC Set Speed
74 to 80 MPH
Vehicle Speed
62 to 74 MPH

Applicable Vehicles:
• 2022–2023MY Kona (OS) 1.6L turbo models equipped with smart cruise control produced
3/2/2021-6/21/2023
GDS Information: ABS/ESP
System

Event #

Description

ABS/ESP

1028

OS PE ESC Software Update

(*or use a later available event as listed in the GDS ABS/ESP Update screen if one is available.)
Warranty Information:
Model

Op. Code

Operation

Op. Time

Casual Part

Nature
Code

Cause
Code

Kona (OS)

58900F04

ESC UPGRADE

0.3 M/H

58910-J9300

I11

ZZ3

NOTE 1: Normal warranty applies.
NOTE 2: Submit claim on Claim Entry Screen as “Warranty” type.
NOTE 3: This TSB includes Repair validation photos. Op times include VIN, Mileage, and repair
validation photos as outlined in the Digital Documentation Policy.
NOTE 4: If a part is found in need of replacement while performing this TSB and the affected part is
still under warranty, submit a separate claim using the same repair order. If the affected part is out of
warranty, submit a Prior Approval request for goodwill consideration prior to performing the work.

Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair

SUBJECT:

ECU UPDATE (ESC SMART CRUISE CONTROL LOGIC)

Service Procedure:

STUI
This TSB includes Repair validation photos. Refer to the latest Digital Documentation Policy for
requirements.

NOTICE
You must initially perform the GDS ECU Update in Auto Mode.
• If the ECU Update starts but then fails in Auto Mode, perform the update in Manual Mode
to recover.

NOTICE
GDS Vehicle Battery Low Voltage Warning:
If voltage is below 12 volts as per the below GDS warning, then select Back and run the vehicle
for at least 20 minutes to ensure an adequate battery state of charge for reliable update results.
Turn ignition back on, and then retry the ECU update again.

Flow Chart

1.

Perform the Variant coding (Backup & Input)
function within GDS S/W Management.

TSB #: 23-BR-002H

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SUBJECT:

ECU UPDATE (ESC SMART CRUISE CONTROL LOGIC)

SUBJECT:

i

Information

It is recommended to record the Variant
Code that is found in the ABS/ESP
System Identification in case the Variant
Coding backup fails.

2.

Perform the ECU Update in Auto Mode.
Use the Auto Mode ID Check to verify the ECU
ROM ID before updating the software.

i

Information

Refer to TSB 15-GI-001 for additional
tablet-based Mobile GDS ECU update
information.

Follow the instructions on the GDS-M screen.
3.

STUI
Take a screenshot of the ECU Update
Complete screen using your particular
tablet’s screenshot save method and
upload to STUI.

TSB #: 23-BR-002H

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ECU UPDATE (ESC SMART CRUISE CONTROL LOGIC)

SUBJECT:

4.

After the ECU Upgrade process shows 100%
complete, cycle the ignition key to OFF for at
least 10 seconds to reset the control unit.

5.

After the update, follow the instructions on the
screen.

The functions can be found in ABS/ESP of the
S/W Management screen.

2

1
3

5.

Perform an All Systems Fault Code search and
erase the history of the DTC that had
incidentally occurred from the ECU update.

6.

Start the vehicle to confirm proper operation of
the vehicle.

7.

The procedure is now complete.

ROM ID Information Table: #1028
ROM ID

Model

MY/TM/other

System

ECU
Part Number

OLD

NEW

Kona
(OS)

2022-2023
w/1.6L turbo
& SCC

ABS/ESP

58900-J9300

6V5RAS00038.ELF

6V5RAS00081.ELF

Manual Mode Password: #1028.OS PE
ECM Menu

Password

OS PE ESC 58900-J9300/930

9930

TSB #: 23-BR-002H

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