GROUP

MODEL

ELE

2023MY
Telluride (ON)

NUMBER

DATE

302

February 2024

TECHNICAL SERVICE BULLETIN
SUBJECT:

SMART KEY OPERATION LOGIC IMPROVEMENT

This bulletin provides the procedure to upgrade the software of the Integrated Body Control Unit (IBU) system
on some 2023MY Telluride (ON) vehicles produced from January 3, 2023 through June 5, 2023 equipped with
Personal Identification Card (PIC) handles. The affected vehicles may exhibit an inoperative lock/unlock
function with a potentially drained 12V battery. Follow the procedure outlined in this publication to upgrade
the software of the ‘IBU’ system using the KDS ECU Upgrade function in Manual Mode only as described in
this bulletin. For confirmation that the latest reflash has been applied to a vehicle you are working on, verify
the ROM ID using the table on page 3 of this bulletin.

Button (PIC) Type

 IMPORTANT
The ECU MUST be reprogrammed in Manual Mode Only using the KDS download as described in

this bulletin. If the vehicle is equipped with a power tailgate, the 15A ‘Module 9’ and 30A ‘Power
Tail Gate’ fuses MUST be removed PRIOR to the reflash.

 NOTICE
A Technical Service Bulletin is a field fix repair program without customer notification that may be
performed during the warranty period. Any dealer requesting to perform this repair outside the
warranty period will require DPSM approval.
A printed copy is for reference only; publication information can be updated at any time.
Always refer to KGIS for the latest information. After logging in kdealer.com, the newest technical
publications are listed in ‘Service Releases’ and has the latest service information that has been released.

Page 2 of 7

SMARK KEY OPERATION LOGIC IMPROVEMENT

SUBJECT:

ECU Upgrade Procedure:
To correct this condition, the ECU should be reprogrammed using the KDS
download, as described in this bulletin.
Upgrade Event Name
686. ON PE IBU UPGRADE FOR SMART KEY OPERATION

 NOTICE
•

Confirm a fully charged battery (12.3 volts or higher is necessary) is used or utilize a fully
charged jump starter box connected to the battery.

•

Ensure the KDS GDS is sufficiently charged at 60% or higher prior to reflash.

•

All ECU upgrades must be performed with the ignition set to the ‘ON’ position unless otherwise
stated.

•

Damaged VCI II units should not be used and promptly replaced.

•

Be careful not to disconnect the VCI-II connected to the vehicle during the ECU upgrade
procedure.

•

DO NOT start the engine during ECU upgrade.

•

DO NOT turn the ignition key ‘OFF’ or interrupt the power supply during ECU upgrade.

•

When the ECU upgrade is completed, turn the ignition ‘OFF’ and wait 10 seconds before
starting the engine.

•

ONLY use approved ECU upgrade software designated for the correct application.

 IMPORTANT
It is recommended to ALWAYS check the Electronic Parts Catalog (EPC) to locate the ECU Part
Number respective to Auto/Manual Mode ROM IDs. DO NOT reference the parts label affixed to
the ECU.

Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.

TSB: ELE302 Telluride (ON) February 2024

Page 3 of 7

SMARK KEY OPERATION LOGIC IMPROVEMENT

SUBJECT:

 IMPORTANT
The ECU MUST be reprogrammed in Manual Mode ONLY using the KDS download as described in
this bulletin.

 NOTICE
Before attempting an ECU upgrade on any Kia model, make sure to first determine whether the
applicable model is equipped with an immobilizer

security system. Failure to follow proper

procedures may cause the PCM to become inoperative after the upgrade and any claims associated
with this repair may be subject to chargeback.

ROM ID INFORMATION TABLE:
Upgrade Event #686

Model

System

ECU P/No.

ON

IBU

954B0 S9040

ROM ID
Previous

New

1.03

1.05

To verify the vehicle is affected, be sure to check the Calibration Identification of the vehicle's ECM ROM ID
and reference the Information Table as necessary.

 NOTICE
Prior to performing the ECU upgrade, be sure to check that the KDS is fully charged.
1a.

If the vehicle is equipped with a power tailgate,
remove:
•

15A ‘Module 9’ fuse located in the
driver’s side fuse panel
and

•

30A ‘Power Tail Gate’ fuse located in
the engine compartment fuse panel.

Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.

TSB: ELE302 Telluride (ON) February 2024

Page 4 of 7

SMARK KEY OPERATION LOGIC IMPROVEMENT

SUBJECT:

1b.

If the vehicle is not equipped with a power
tailgate, proceed to step 2.

2.

Connect the VCI-II to the OBD-II connector,
located

under

the

driver’s

side

of

the

instrument panel.

 NOTICE
The ECU upgrade function on KDS
operates wirelessly. It is not necessary
to perform the upgrade via USB cable.

3.

With the ignition ON, turn ON the KDS tablet.
Select ‘KDS’ from the home screen.

4.

Confirm communication with VCI (A) and then
configure the vehicle (B) using the ‘AUTO VIN’
(C) feature.

B
A

C
5.

Select ‘ECU Upgrade’.

Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.

TSB: ELE302 Telluride (ON) February 2024

Page 5 of 7

SMARK KEY OPERATION LOGIC IMPROVEMENT

SUBJECT:

6.

The KDS will check the server for recently
uploaded

Events

and

then

automatically

download Upgrade Event #686.

 NOTICE
The vehicle must be identified in
Vehicle Selection to download an
Event for that vehicle.

7.

KDS
screenshot
shown
above
is
for
demonstration purposes only. Events shown in
screenshot are not applicable to this bulletin.

Select Manual Mode.

CAUTION
Do NOT attempt to perform a Manual
Mode upgrade UNLESS Auto Mode
fails. Always follow the instructions
given on the KDS in either Auto or
Manual mode.
8.

Select the ‘IBU-BCM’ system under the System
selection menu and applicable Event Group (D).
686. ON PE IBU UPGRADE FOR SMART KEY
OPERATION

D

Manual Mode ECU Upgrade Password
Menu

Password

ON PE IBU : 954B0-S9040

6861

1.

Within the ECU Upgrade screen displayed, select Manual Mode.

2.

Select the IBU system under the System selection menu. Select Upgrade Event #686 and select
Upgrade to continue.

Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.

TSB: ELE302 Telluride (ON) February 2024

Page 6 of 7
SUBJECT:

3.

SMARK KEY OPERATION LOGIC IMPROVEMENT
Select the appropriate control unit part number with reference to the ROM ID Information Table on
page 3, and select OK.

4.

Enter the appropriate password from the Manual Mode password table above and select OK.

5.

The upgrade will begin and the progress of the upgrade will appear on the bar graph.

6.

When instructed on the KDS, turn the ignition OFF for ten (10) seconds then back on. Select OK.

7.

Once the upgrade is complete, select OK to finalize the procedure.

8.

When prompted, select YES to check for Diagnostic Trouble Codes (DTC) and erase any DTCs stored
such as EPS, ESC, and TPMS that may have been set during the upgrade.

9.

Start the engine to confirm proper operation of the vehicle.

10.

Reinstall the 15A ‘Module 9’ and 30A ‘Power Tail Gate’ fuses.

11.

Start the engine to confirm normal operation of the vehicle.

Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.

TSB: ELE302 Telluride (ON) February 2024

Page 7 of 7

SMARK KEY OPERATION LOGIC IMPROVEMENT

SUBJECT:

AFFECTED VEHICLE RANGE:
Model

Production Date Range

Telluride (ON)

January 3, 2023 to June 05, 2023

REQUIRED TOOL:
Tool Name

Figure

Comments

KDS

Kia Diagnostic System

WARRANTY INFORMATION:
N Code: D21 C Code: ZZ3
Claim
Type

Causal P/N

Qty.

Repair Description

Labor Op

Op

Replacement

Code

Time

P/N

Smart Key Operation
Logic Improvement

954B0F05

(Power Tail Gate)
W

954B0 S9040

0.4
M/H

0

N/A
Smart Key Operation
Logic Improvement
(Non-Power Tail Gate)

954B0F06

Qty.

0

0.3
M/H

Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.

TSB: ELE302 Telluride (ON) February 2024