NHTSA ID Number: 11032591
Manufacturer Communication Number: 26-01-043H TSB
TSB/Document Date: 2026-05-12
Summary
Certain IONIQ 5 (NEA EV) vehicles are eligible for a software update to the VCMS which would enable the Plug and Charge (PNC) function to support its use on Tesla
V3 and V4 Superchargers, IONNA chargers, and ChargePoint chargers. This bulletin provides instructions for completing a software update to the VCMS.
GROUP
NUMBER
CAMPAIGN
Technical Service Bulletin
DATE
26-01-043H
MODEL(S)
MAY 2026
IONIQ 5 (NEA EV)
VCMS PNC ACTIVATION LOGIC IMPROVEMENT
(LIMITED COVERAGE CAMPAIGN LA18)
SUBJECT:
IMPORTANT
Dealers must perform this field action on all affected vehicles within 10 / 100,000 High Voltage
Warranty for original owners, and is transferable to subsequent owners, prior to customer retail
delivery and whenever an affected vehicle is in the shop for any maintenance or repair. See
Warranty Information section for more details.
Access the “Vehicle Information” screen via WebDCS to verify “Warranty Start Date” and ensure the
vehicle is High Voltage Warranty, observing mileage prior to any repair work.
Description: Certain IONIQ 5 (NEA EV) vehicles are eligible for a software update to the VCMS which
would enable the Plug and Charge (PNC) function to support its use on Tesla V3 and V4 Superchargers,
IONNA chargers, and ChargePoint chargers. This bulletin provides instructions for completing a
software update to the VCMS.
Applicable Vehicles (Certain):
Model Year
Model
2026
IONIQ 5 (NEA EV)
Production Dates
08/07/2025 – 04/29/2026
NOTICE
To avoid any potential damage to IONIQ vehicles, this recall can only be performed at IONIQ
certified dealers.
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair
VCMS PNC ACTIVATION IMPROVEMENT
(LIMITED COVERAGE CAMPAIGN LA18)
SUBJECT:
SST Information:
Tool Name
Tool Number
VCI 3
G0VHNNN06
Figure
Ordering Information
Website:
https://hyundaiessentialtools.com/
Email:
[email protected]
VCI 2
Phone: 1-855-763-9199
Hours: 7 AM – 7 PM CST
G1XDDMN001
NOTE: VCI 2 can NO longer be ordered but can be used for the updates in this TSB.
GDS Information:
Model
System
Event Number*
Description
IONIQ 5
(NEA EV)
1388
NE1A 26MY VCMS PNC ACTIVATION
IMPROVEMENT
Warranty Information:
Model
Op. Code
Operation
Op.
Time
Causal Part
Nature
Code
Cause
Code
IONIQ 5
0.3
60DV03I0 VCMS Software Update
35000-1XAN2
I11
ZZ3
(NEA EV)
M/H
NOTE 1: Submit claim on Claim Entry Screen as "Campaign" type.
NOTE 2: 10 /100,000 High Voltage Warranty for original owners and is transferable to subsequent
owners, apply to the part(s) and repair procedure(s) outlined in this TSB. Prior to beginning any repair
work, ensure that the part(s) associated with the repair procedure are within the applicable warranty,
observing mileage and Warranty Start Date or date of first use. If the subject part(s) are out of
warranty coverage, the dealer may submit a PA Request for goodwill consideration on a case-by-case
basis.
NOTE 3: This TSB includes repair validation photos. Op times include VIN, mileage, and photo
capture of the ECU Update “Success” screen as outlined in the Digital Documentation Policy.
NOTE 4: If any part(s) not subject to this TSB are found in need of replacement while performing the
repair procedure, and the affected part(s) are still under warranty, the dealer may submit a separate
claim using the same repair order. If the part(s) not subject to this TSB are out of warranty coverage,
the dealer has the option to submit a PA Request for goodwill consideration on a case-by-case basis.
TSB #: 26-01-043H
Page 2 of 6
VCMS PNC ACTIVATION IMPROVEMENT
(LIMITED COVERAGE CAMPAIGN LA18)
SUBJECT:
ROM ID Information:
Model
Event
System
ECU
Part Number
IONIQ 5
(NEA EV)
1388
35000-1XAN2
ROM ID
Current
NEEP-S06RA
NEEP-S08RA
NEEP-S10RC
Latest
NEEP-S11RC
Service Procedure:
DIGITAL DOCUMENTATION
This TSB includes repair validation photos. Refer to the latest Warranty 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
Ensure the vehicle’s battery charge is above 12.5 Volts and the tablet’s battery charge is above
30% before performing a software update to avoid update failure.
i
Information
•
Turn OFF all lamps (do NOT leave head lamp switch in auto mode) and all accessories.
•
Perform update with the ignition switch in the ON position.
•
Do NOT disconnect any cables connected to the vehicle or scan tool during the update.
•
Do NOT start the engine OR place in Ready mode during the update.
•
Do NOT turn OFF the ignition switch during the update.
TSB #: 26-01-043H
Page 3 of 6
VCMS PNC ACTIVATION IMPROVEMENT
(LIMITED COVERAGE CAMPAIGN LA18)
SUBJECT:
ECU Update Procedure
1.
Perform the ECU update in Auto Mode.
i
Information
Refer to TSB # 25-GI-011H, “ECU
Update Procedure for Tablet-Based
GDS-Smart”, for additional information.
2.
Verify the ROM ID by selecting the PCM
system to scan the vehicle’s current ROM ID.
NOTICE
Check the current ROM ID version and
compare it to the ROM ID Information
table before attempting to perform the
software update.
NOTICE
If the update fails, remove the power
connector from the in-cabin fuse box for
at least 5 seconds. Reassemble and
retry the update.
TSB #: 26-01-043H
Page 4 of 6
VCMS PNC ACTIVATION IMPROVEMENT
(LIMITED COVERAGE CAMPAIGN LA18)
SUBJECT:
3.
After the ECU update process shows 100%
complete, follow the prompts on the screen to
cycle the ignition OFF for at least 10 seconds
to reset the control unit.
i
Information
Use the Refresh button to reset the
timer.
4.
DIGITAL
DOCUMENTATION
Using the tablet or GDS screen capture
function, take a screenshot of the ECU
Update “Success” result screen.
Upload the photo to STUI.
NOTE: The VIN/Date/Time/Mileage photo
imprint is NOT required for GDS
screenshots.
TSB #: 26-01-043H
Page 5 of 6
SUBJECT:
VCMS PNC ACTIVATION IMPROVEMENT
(LIMITED COVERAGE CAMPAIGN LA18)
5.
Perform an All Systems Fault Code search
and erase DTC history that had incidentally
occurred from the ECU update.
6.
Place the vehicle in Ready mode to confirm
proper operation of the vehicle.
7.
The service procedure is now complete.
NOTICE
If the ECU update fails in Auto Mode, perform the update in Manual Mode using the password(s)
below.
Manual Mode Password:
Event
Menu
Password
1388
NEa PCM 35000-1XAN2
0012
TSB #: 26-01-043H
Page 6 of 6
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TSB/Document ID: 26-01-043H TSB
Replacement Service Bulletin Number:
MFR Communication Date: 2026-05-08
MFR Internal Campaign ID/Software Version: LA18
Communication Type: Warranty Program/Extension
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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