NHTSA ID Number: 11027619
Manufacturer Communication Number: PI2502_TSB_R1
TSB/Document Date: 2026-01-14
Summary
TECHNICAL SERVICE BULLETIN: WINDSHIELD WIPER LOGIC IMPROVEMENT (PI2502) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information to install enhanced windshield wiper software that provides drivers with additional warnings related to the use of the windshield wipers during winter conditions on all 2024-2025 MY and certain 2026 MY EV9 (MV1, MV1a) vehicles manufactured from September 25, 2023, through October 31, 2025. The enhanced software detects obstructed windshield wipers and provides advance messages to remind the driver to check for any obstructions such as snow/ice in the windshield wiper area.
GROUP
MODEL
Product Improvement
2024-2026MY
EV9 (MV1, MV1a)
NUMBER
DATE
PI2502 (Rev 1, 1/09/2026)
November 2025
TECHNICAL SERVICE BULLETIN
SUBJECT:
WINDSHIELD WIPER LOGIC IMPROVEMENT (PI2502)
NOTICE
This bulletin has been revised to include additional information. New/revised sections of this
bulletin are indicated by a black bar in the margin area.
This bulletin provides information to install enhanced windshield wiper software that provides drivers with
additional warnings related to the use of the windshield wipers during winter conditions on all 2024-2025 MY
and certain 2026 MY EV9 (MV1, MV1a) vehicles manufactured from September 25, 2023, through October 31,
2025. The enhanced software detects obstructed windshield wipers and provides advance messages to remind
the driver to check for any obstructions such as snow/ice in the windshield wiper area.
Follow the procedure outlined in this publication to apply the software updates to the CLU and BDC modules.
Refer to SST081 for software upgrade instructions using the Kia
Diagnostic System (KDS) tablet and VCI-II, and
confirm the Upgrade Event Number/Name, ROM ID Information, and Manual Mode passwords (if applicable)
on the applicable vehicle. Additionally, for vehicles in dealer stock, a label with updated information regarding
these warning messages will be placed over certain existing information of the vehicle’s owner’s manual.
Model
Production Date Range
EV9 (MV1)
September 25, 2023 to October 15, 2024
EV9 (MV1a)
May 17, 2024 to October 31, 2025
NOTICE
A Product Improvement Campaign is a repair program with customer notification. There is no charge to the
vehicle owner for this repair.
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 →ANot
Completed
→ Recall only;
VIN →publication
Select Report),
which includes
list of affected
printed
copy isRecall
for reference
information
can beaupdated
at anyvehicles.
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.
This issue number is PI2502.
Page 2 of 11
SUBJECT:
WINDSHIELD WIPER LOGIC IMPROVEMENT (PI2502)
Flowchart:
IMPORTANT
On certain vehicles, not all modules will require all three (3) software updates. Perform updates
only on the modules that appear when running Auto Mode AND, in the following order.
Vehicle In
KDS ECU Upgrade:
Version Scan BDC and
CLU Modules in
Automatic Mode
Are BDC, CLU_AP, and
CLU_MCU Modules All
Present?
No
Only Upgrade
Modules Present in
Automatic Mode.
Upgrade Modules in
the Following Order:
1. BDC
2.CLU_AP
3. CLU_MCU
Yes
Upgrade Modules in
the Following Order:
1. BDC
2.CLU_AP
3. CLU_MCU
Vehicle Out
Printed document copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: PI2502 (Rev 1) EV9 (MV1, MV1a) November 2025
Page 3 of 11
WINDSHIELD WIPER LOGIC IMPROVEMENT (PI2502)
SUBJECT:
Refer to TSB SST081 for instructions to upgrade the ‘BDC’ and ‘CLU’ systems:
To correct this condition, the specified system module should be reprogrammed using KDS
as described in this bulletin in ‘Auto Mode’.
Model
Upgrade Event Name
880. MV1 (GT) BDC Upgrade for Wiper Operation Logic Improvement
MV1
881. MV1 (GT) CLU Upgrade for Wiper Operation Logic Improvement (MCU)
882. MV1 (GT) CLU Upgrade for Wiper Operation Logic Improvement (AP)
883. MV1a BDC Upgrade for Wiper Operation Logic Improvement
MV1a
884. MV1a CLU Upgrade for Wiper Operation Logic Improvement (MCU)
885. MV1a CLU Upgrade for Wiper Operation Logic Improvement (AP)
Connect the negative (-) terminal to the battery as shown below.
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.
Printed document copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: PI2502 (Rev 1) EV9 (MV1, MV1a) November 2025
Page 4 of 11
WINDSHIELD WIPER LOGIC IMPROVEMENT (PI2502)
SUBJECT:
ROM ID Information Table:
NOTICE
Some vehicles may already be equipped with updated modules. Do not perform updates on any
module that does not appear during the version scan in automatic mode.
assembly.
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.
Upgrade Event #880 MV1 BDC:
Model
System
IMMO
ECU P/No.
ROM ID
Previous
New
1.90
2.00
2.10
EV9
(MV1)
BDC
Yes
95400 DO500
95400 DO510
2.20
2.30
2.80
2.40
2.50
2.60
2.70
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.
Upgrade Event #881 MV1 MCU:
Model
System
IMMO
ECU P/No.
ROM ID
Previous
New
940C3 DO010
CP12_M.MCU.KMC.ALL.0
CP12_M.MCU.KMC.ALL.0
940C3 DO050
000.V004.050.240905
000.V004.050.250924
940C3 DO200
CP12_M.MCU.KMC.ALL.0
CP12_M.MCU.KMC.ALL.0
940C3 DO210
000.V014.093.241119
000.V014.093.250812
EV9
940C3 DO110
CP12_M.MCU.KMC.ALL.0
CP12_M.MCU.KMC.ALL.0
(MV1)
940C3 DO160
000.V014.093.241216
000.V014.093.250822
EV9
(MV1)
MCU
Yes
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 document copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: PI2502 (Rev 1) EV9 (MV1, MV1a) November 2025
Page 5 of 11
WINDSHIELD WIPER LOGIC IMPROVEMENT (PI2502)
SUBJECT:
Upgrade Event #882 MV1 AP:
Model
System
IMMO
ROM ID
ECU P/No.
Previous
New
940C3 DO010
CP12_M.AP.KMC.ALL.00
CP12_M.AP.KMC.ALL.000
940C3 DO050
00.V014.089.240905
0.V014.089.251014
940C3 DO200
CP12_M.AP.KMC.ALL.00
CP12_M.AP.KMC.ALL.000
940C3 DO210
00.V014.089.241122
0.V014.089.251014
EV9
940C3 DO110
CP12_M.AP.KMC.ALL.00
CP12_M.AP.KMC.ALL.000
(MV1)
940C3 DO160
00.V014.089.250122
0.V014.089.251014
EV9
(MV1)
AP
Yes
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.
Upgrade Event #883 MV1a BDC:
Model
EV9
(MV1a)
System
IMMO
ROM ID
ECU P/No.
Previous
New
1.10
BDC
Yes
95400 XA000
1.20
1.40
1.30
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.
Upgrade Event #884 MV1a MCU :
Model
System
IMMO
ROM ID
ECU P/No.
940C3 XA000
EV9
(MV1a)
MCU
Previous
New
CP12_M.MCU.KMC.ALL.0
CP12_M.MCU.KMC.ALL.0
000.V014.093.240807
000.V014.093.250924
CP12_M.MCU.KMC.ALL.0
CP12_M.MCU.KMC.ALL.0
000.V014.093.241119
000.V014.093.250812
Yes
940C3 XA200
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 document copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: PI2502 (Rev 1) EV9 (MV1, MV1a) November 2025
Page 6 of 11
WINDSHIELD WIPER LOGIC IMPROVEMENT (PI2502)
SUBJECT:
Upgrade Event #885 MV1a AP:
Model
System
- Advanced VCI Box, Industry-leading J2534 Pass-Thru...
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TSB/Document ID: PI2502_TSB_R1
Replacement Service Bulletin Number:
MFR Communication Date: 2026-01-10
MFR Internal Campaign ID/Software Version: PI2502
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: VISIBILITY/WIPER
MFR Component System:
MFR Component Subsystem:
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