instrument panel.

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

2.

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

3.

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

B
A

C
4.

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: SC251 (Rev 1) Soul (PS) January 2023

Page 6 of 10

NU 2.OL GDI SULEV ECU EMISSIONS LOGIC IMPROVEMENT (SC251)

SUBJECT:

5.

The KDS will check the server for recently
uploaded

Events

and

then

automatically

download Upgrade Event #636.

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

6.

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

Select Auto 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.
7.

Select the ENGINE system under the System
selection menu.
Touch ID Check (D) and confirm that the latest

D

update is available.
Select

Upgrade

Event

#636,

and

select

Upgrade to continue.

8.

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

E

Upgrade part (1/2) (E) will download the
upgrade event to the VCI-II. Upgrade part (2/2)
(F) will upgrade the ECU.

CAUTION

F

Do not touch the system buttons (like
‘Back’,

‘Home’,

‘etc.’)

while

performing 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: SC251 (Rev 1) Soul (PS) January 2023

Page 7 of 10

NU 2.OL GDI SULEV ECU EMISSIONS LOGIC IMPROVEMENT (SC251)

SUBJECT:

9.

If a “Communication Fail” screen appears, verify
that the VCI-II and KDS are communicating
properly. Select ‘OK’ and restart the procedure
from step 4.

 NOTICE
If an error notice continues to appear
or

if

the

upgrade

cannot

be

performed, DO NOT disconnect the
KDS/VCI-II. Contact GIT America Help
Desk at (888) 542-4371 or Techline.
10.

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

11.

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

12.

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.

13.

After the upgrade is complete, run "Resetting
Adaptation Values" (‘S/W Management’ →
Engine Control) using KDS to clear the
learnings.

14.

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: SC251 (Rev 1) Soul (PS) January 2023

Page 8 of 10
SUBJECT:

NU 2.OL GDI SULEV ECU EMISSIONS LOGIC IMPROVEMENT (SC251)

Manual Upgrade Procedure:

 NOTICE
The manual upgrade should ONLY be performed if the automatic upgrade fails.
If the automatic upgrade fails, turn the ignition ‘OFF’ for about 10 seconds then place it back in
the ‘ON’ position to reset the control unit BEFORE performing manual upgrade.
See table below for ‘Manual Mode’ passwords.

Manual Mode ECU Upgrade Passwords
Menu

Password

PS Nu 2.0GDI SULEV 17MY 16/17inch -IMMO : 39133-2EHB2

3322

PS Nu 2.0GDI SULEV 17MY 16/17inch +IMMO/SMK : 39131-2EHB2

3122

PS Nu 2.0GDI SULEV 17MY 18inch -IMMO : 39133-2EHB5

3325

PS Nu 2.0GDI SULEV 17MY 18inch +IMMO/SMK : 39131-2EHB5

3125

PS Nu 2.0GDI SULEV 18MY 16/17inch -IMMO : 39133-2EHB7

3327

PS Nu 2.0GDI SULEV 18MY 16/17inch +IMMO/SMK : 39131-2EHB7

3127

PS Nu 2.0GDI SULEV 18MY 18inch -IMMO : 39133-2EHB9

3329

PS Nu 2.0GDI SULEV 18MY 18inch +IMMO/SMK : 39131-2EHB9

3129

PS Nu 2.0GDI SULEV 19MY 16/17inch -IMMO -SCC : 39133-2EHC7

3328

PS Nu 2.0GDI SULEV 19MY 16/17inch +IMMO/SMK -SCC : 39131-2EHC7

3128

PS Nu 2.0GDI SULEV 19MY 18inch -IMMO -SCC : 39133-2EHC9

3330

PS Nu 2.0GDI SULEV 19MY 18inch +IMMO/SMK -SCC : 39131-2EHC9

3130

PS Nu 2.0GDI SULEV 19MY 16/17inch -IMMO +SCC : 39133-2EHD7

3329

PS Nu 2.0GDI SULEV 19MY 16/17inch +IMMO/SMK +SCC : 39131-2EHD7

3131

PS Nu 2.0GDI SULEV 19MY 18inch -IMMO +SCC : 39133-2EHD9

3331

PS Nu 2.0GDI SULEV 19MY 18inch +IMMO/SMK +SCC : 39131-2EHD9

3132

1.

Within the ECU Upgrade screen displayed, select Manual Mode.

2.

Select the ENGINE system under the System selection menu. Select Upgrade Event #636 and select
Upgrade to continue.

3.

Select the appropriate control unit part number with reference to the ROM ID Information Table on
pages 3-4, 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.

After the upgrade is complete, run "Resetting Adaptation Values" (‘S/W Management’ → Engine
Control) using KDS to clear the learnings.

10.

Start the engine to confirm proper 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: SC251 (Rev 1) Soul (PS) January 2023

Page 9 of 10
SUBJECT:

NU 2.OL GDI SULEV ECU EMISSIONS LOGIC IMPROVEMENT (SC251)

ATTENTION: THE PROOF OF CORRECTION CARD AND CAMPAIGN COMPLETION STICKER ARE
RESTRICTED ONLY TO DEALERS IN THE FOLLOWING STATES:
California, Connecticut, Delaware, Massachusetts, Maine, Maryland, New Jersey, New York, Oregon,
Pennsylvania, Rhode Island, Vermont, and Washington. See Parts Information below to order the Proof of
Correction Card and Campaign Completion Label from the PDC.
VEHICLE EMISSION RECALL - PROOF OF CORRECTION CARD
A Vehicle Emission Recall - Proof of Correction card must be filled out for all vehicles registered in California,
Connecticut, Delaware, Massachusetts, Maine, Maryland, New Jersey, New York, Oregon, Pennsylvania,
Rhode Island, Vermont, and Washington.

Residents of these states, who own an affected vehicle, will be

required to possess a Vehicle Emission Recall - Proof of Correction card as evidence of voluntary service
campaign completion, when they apply for vehicle registration renewal.
WHAT TO DO WITH THE CARD:
The Vehicle Emission Recall - Proof of Correction card must be completed by the Dealership's Service Manager
using a permanent ink pen. A fine point pen is recommended. When filling in the information, copy the
information directly from the vehicle, not the repair order. ALL INFORMATION MUST BE PRINTED AND NEAT.
NOTE: DO NOT COMPLETE THE CARD UNLESS THE SERVICE CAMPAIGN WORK IS COMPLETED.
The copy of the card shown below indicates the areas to be filled in. Each area must be filled in. The completed
card should be given to the owner of the vehicle upon completion of the Campaign and placement of the
Campaign Completion Label outlined below.

FILLING OUT AND APPLYING THE CAMPAIGN COMPLETION LABEL (CA and S.177 STATES ONLY):
The dealer must fill in the Dealer Code and Date information fields on the Campaign Completion Label.
Once complete, affix the campaign completion label under the hood of the vehicle, as shown below.
CA and S.177 States Only: Apply SC251 Campaign

SC251

Completion Label onto the body in the area next to

Dealer Code:

the shock tower, as shown. NOTE: Be sure to clean

Date:

the mounting surface to ensure proper label

UT160 SC251

adhesion.

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

TSB: SC251 (Rev 1) Soul (PS) January 2023

Page 10 of 10

NU 2.OL GDI SULEV ECU EMISSIONS LOGIC IMPROVEMENT (SC251)

SUBJECT:

AFFECTED VEHICLE RANGE:
Model

Production Date Range

Soul (PS)

July 29, 2016 to December 19, 2018

REQUIRED TOOL:
Tool Name

Figure

Comments

KDS

Kia Diagnostic System

REQUIRED PART:
Part Name

Part Number

Campaign
Completion Label

Vehicle Emission Recall
Proof of Correction Card

Figure

Qty.

UT160 SC251*

1

UT161 SC251*

1

*Completion Label and Proof of Correction Card only required for vehicles registered in CA, CT, DE, MA, MD,
ME, NJ, NY, OR, PA, RI, VT, and WA “States” only.

WARRANTY INFORMATION:
N Code: N99 C Code: C99
Claim
Type

Causal P/N

Qty.

Repair

Labor Op

Op

Replacement

Description

Code

Time

P/N

(SC251)
R

39131 2EHB0

0

ECU Logic Improvement
for Emissions

220124R0

0.3
M/H

N/A

Qty.

0

 NOTICE
VIN inquiry data for this repair is provided for tracking purposes only. Kia retailers should reference
SC251 when accessing the WebDCS system.

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

TSB: SC251 (Rev 1) Soul (PS) January 2023