NHTSA ID Number: 11012905
Manufacturer Communication Number: TSB_ELE362
TSB/Document Date: 2025-01-16
Summary
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: SHIFT CONTROL UNIT LOGIC IMPROVEMENT (SA594) - This bulletin provides the software upgrade procedure for certain 2024-2025MY EV9 (MV1) vehicles produced from September 25, 2023 through September 4, 2024. The affected vehicles may experience the inability to shift out of ‘PARK’ accompanied with the DTC P28E812 stored due to the output shaft sensor signal exceeding the expected value.
GROUP
MODEL
ELE
2024-2025MY
EV9 (MV1)
NUMBER
DATE
362
January 2025
TECHNICAL SERVICE BULLETIN
SERVICE ACTION: SHIFT CONTROL UNIT
SUBJECT:
LOGIC IMPROVEMENT (SA594)
This bulletin provides the software upgrade procedure for certain 2024-2025MY EV9 (MV1) vehicles produced
from September 25, 2023 through September 4, 2024. The affected vehicles may experience the inability to
shift out of ‘PARK’ accompanied with the DTC P28E812 stored due to the output shaft sensor signal exceeding
the expected value. Follow the procedure outlined in this publication to perform the ‘SCU’ software upgrade
on the applicable vehicle. Before conducting the procedure, verify that the vehicle is included in the list of
affected VINs.
DTC Description:
P28E812 – Shift Motor Position Sensor Circuit High
NOTICE
A Service Action is a repair program without customer notification that is performed during the
warranty period. Any dealer requesting to perform this repair outside the warranty period will
require DPSM approval.
Repair status for a VIN is provided on KDealer+ (Service → Warranty Coverage → Warranty
Coverage Inquiry → Campaign Information). Not completed Recall / Service Action reports are
available on KDealer+ (Consumer Affairs → Not Completed Recall → Recall VIN → Select Report),
which includes a list of affected vehicles.
This issue number is SA594.
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 5
SUBJECT:
SHIFT CONTROL UNIT LOGIC IMPROVEMENT (SA594)
ECU Upgrade Procedure:
To correct this condition, the ECU should be reprogrammed using the KDS
download, as described in this bulletin.
Upgrade Event Name
787.MV1 SCU DTC Judgment Logic Improvement (P28E812)
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.
Connect the negative (-) terminal to the battery as shown below.
Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: SA594 EV9 (MV1) January 2025
Page 3 of 5
SHIFT CONTROL UNIT LOGIC IMPROVEMENT (SA594)
SUBJECT:
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 #787
Event
System
IMMO
ECU P/No.
ROM ID
Previous
New
EMV1XXXXXX500XS0
#787
SCU
Yes
42910 18510
EMV1XXXXXX520XS0
EMV1XXXXXX540XS0
EMV1XXXXXX610XS0
EMV1XXXXXX550XS0
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.
Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: SA594 EV9 (MV1) January 2025
Page 4 of 5
SHIFT CONTROL UNIT LOGIC IMPROVEMENT (SA594)
SUBJECT:
Refer to TSB SST081 for instructions to upgrade the ‘SCU’ system:
IMPORTANT
An Over-The-Air (OTA) Software Update for this procedure is planned for release but may not be
available at the time of TSB publication. Dealers can confirm OTA availability by checking for OTA
release notes on the Owners Portal of kia.com: OTA Software Update Release Notes
Ensure the ECI cable is configured by referring
to the ‘KDS Configuration for ECI Cable Usage’.
1a.
Connect the ECI DLC connector to the OBD-II
connector, located under the driver’s side of
the instrument panel.
1b.
Connect the ECI USB -C connector to the KDS
tablet.
1c.
Connect the VCI II to the ECI OBD-II connector.
2.
UPGRADE EVENT:
787.MV1
SCU
DTC
Judgment
Logic
Improvement (P28E812)
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
Event No.
#787
Menu
MV1 SCU : 42910-18510
Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: SA594 EV9 (MV1) January 2025
Password
0158
Page 5 of 5
SHIFT CONTROL UNIT LOGIC IMPROVEMENT (SA594)
SUBJECT:
AFFECTED VEHICLE RANGE:
Model
Production Date Range
EV9 (MV1)
September 25, 2023 to September 4, 2024
REQUIRED TOOL:
Tool Name
Part Number
KDS
N/A
Figure
Comments
Kia Diagnostic
System
WARRANTY INFORMATION:
N Code: N99 C Code: C99
Claim
Type
Causal P/N
Qty.
Repair
Labor Op
Op
Replacement
Description
Code
Time
P/N
(SA594)
V
42910 18510
0
Shift Control Unit
Software Upgrade
240211R0
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
SA594 when accessing the KDealer+ system.
Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: SA594 EV9 (MV1) January 2025
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TSB/Document ID: TSB_ELE362
Replacement Service Bulletin Number:
MFR Communication Date: 2025-01-08
MFR Internal Campaign ID/Software Version: SA594
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System: ELE
MFR Component Subsystem:
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