NHTSA ID Number: 11028669
Manufacturer Communication Number: 26-01-013H TSB
TSB/Document Date: 2026-02-10
Summary
Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. This bulletin provides instructions for updating the Engine Control Module (ECM) to address this condition.
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TSB/Document ID: 26-01-013H TSB
Replacement Service Bulletin Number:
MFR Communication Date: 2026-02-06
MFR Internal Campaign ID/Software Version: 9C2
Communication Type: Service Campaign
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
7890
TL PE 2.4GDI ECU 39171-2GPG1
8672
TL PE 2.4GDI ECU 39171-2GPB2
2546
TL PE 2.4GDI ECU 39171-2GPG2
1546
TL 2.4GDI ECU 39171-2GAA0 (18MY)
8932
TL 2.4GDI ECU 39171-2GAB0 (18MY)
4989
Page 8 of 20
SUBJECT: ECU SOFTWARE UPDATE FOR THETA II EMISSIONS IMPROVEMENT (SERVICE CAMPAIGN 9C2)
Manual Mode Passwords (continued):
Model
Event
1367
Sonata (LFA)
1372
Santa Fe Sport
(AN)
TSB #: 26-01-013H
1373
ECM Menu
Password
LFa 2.4 GDI ECU 39111-2GGK7
4556
LFa 2.4 GDI ECU 39111-2GGK2
9858
LFa 2.4 GDI ECU 39111-2GGL7
7677
LFa 2.4 GDI ECU 39111-2GGL2
2619
LFa 2.4 GDI ECU 39111-2GGK8
5279
LFa 2.4 GDI ECU 39111-2GGK3
2587
LFa 2.4 GDI ECU 39111-2GGL8
5996
LFa 2.4 GDI ECU 39111-2GGL3
3911
LFa 2.4 GDI ECU 39111-2GGK9
6534
LFa 2.4 GDI ECU 39111-2GGK4
2537
LFa 2.4 GDI ECU 39111-2GGL9
0605
LFa 2.4 GDI ECU 39111-2GGL4
8813
LFa 2.4 GDI ECU 39111-2GGK6
6427
LFa 2.4 GDI ECU 39111-2GGK1
3028
LFa 2.4 GDI ECU 39111-2GGL6
9043
LFa 2.4 GDI ECU 39111-2GGL1
3664
DMa(AN) PE 2.4 GDI ECU 39100-2GKP0 (2WD)
0211
DMa(AN) PE 2.4 GDI ECU 39100-2GKP5 (4WD)
2523
DMa(AN) PE 2.4 GDI ECU 39100-2GKR0 (2WD)
3121
DMa(AN) PE 2.4 GDI ECU 39100-2GKR5 (4WD)
6162
DMa(AN) PE 2.4 GDI ECU 39100-2GKP1 (2WD)
7257
DMa(AN) PE 2.4 GDI ECU 39100-2GKP6 (4WD)
7606
DMa(AN) PE 2.4 GDI ECU 39100-2GKR1 (2WD)
8149
DMa(AN) PE 2.4 GDI ECU 39100-2GKR6 (4WD)
9552
Page 9 of 20
SUBJECT: ECU SOFTWARE UPDATE FOR THETA II EMISSIONS IMPROVEMENT (SERVICE CAMPAIGN 9C2)
Emissions Label Application (for All Vehicles)
1.
Fill in the Dealer Code and Date on the
Emissions Label, and apply adjacent to the
existing label, on the underside of the hood, as
shown.
Be sure to clean the mounting surface to
ensure proper label adhesion.
2.
DIGITAL
DOCUMENTATION
Using the STUI camera function, take a
photo of the Emissions Label attached to
the vehicle.
Upload the photo to STUI.
NOTE: If the STUI camera function is
NOT used, write the last 6 digits of the
VIN and the date of repair on a piece of
paper to include in the photo.
3.
Proceed to the next section and complete the
Vehicle Emission Recall - Proof of
Correction Card for the states listed.
If NOT applicable to your state, the service
procedure is complete.
TSB #: 26-01-013H
Page 10 of 20
SUBJECT: ECU SOFTWARE UPDATE FOR THETA II EMISSIONS IMPROVEMENT (SERVICE CAMPAIGN 9C2)
Vehicle Emission Recall – Proof of Correction Card (for Vehicles Registered in Certain States)
For vehicles registered in California, Colorado, Connecticut, Delaware, Maine, Maryland,
Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont, and
Washington:
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, Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, 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 from the repair order.
ALL INFORMATION MUST BE PRINTED AND NEAT.
The copy of the card shown below indicates the areas to be filled in. Each area must be filled in.
The completely filled out Vehicle Emission Recall - Proof of Correction card should be given to
the owner of the vehicle upon completion of the Campaign.
1.
2.
3.
4.
5.
6.
Enter Vehicle’s License Number
Enter “Hyundai”
Enter Model Year
Enter Model (e.g. Tucson)
Enter the vehicle’s VIN
Enter Campaign Number: 9C2
2
1
7. Enter Dealership Name
8. Enter Dealership’s Address
NOTE: Enter the physical address, not the
mailing address (not a P.O. Box)
9. Enter Date of Repair
10. Service Manager Sign Here
5
4
3
6
2
8
7
9
TSB #: 26-01-013H
10
Page 11 of 20
SUBJECT: ECU SOFTWARE UPDATE FOR THETA II EMISSIONS IMPROVEMENT (SERVICE CAMPAIGN 9C2)
ROM ID Information:
Model
Event
IMMO
O
X
2016MY
Sonata
(LFA)
ECU
Part Number
Current
Latest
39111-2GGK6
LFAGNC4ERA21
LFAGNC4ERA3A
LFAGNC4ERA5A
LFAGNC4ERB0A
LFAGNC4ERB0B
LFAGNC4ERC0A
LFAGNC4ERC0K
LFAGNC4ERC0L
LFAGNC4ERC0M
LFAGNC4ERCXA
39111-2GGK1
LFAGNC4EMA21
LFAGNC4EMA3A
LFAGNC4EMA5A
LFAGNC4EMB0A
LFAGNC4EMB0B
LFAGNC4EMC0A
LFAGNC4EMC0K
LFAGNC4EMC0L
LFAGNC4EMC0M
LFAGNC4EMCXA
39111-2GGL6
LFAGNS4ERA21
LFAGNS4ERA3A
LFAGNS4ERA5A
LFAGNS4ERB0A
LFAGNS4ERB0B
LFAGNS4ERC0A
LFAGNS4ERC0K
LFAGNS4ERC0L
LFAGNS4ERC0M
LFAGNS4ERCXA
39111-2GGL1
LFAGNS4EMA21
LFAGNS4EMA3A
LFAGNS4EMA5A
LFAGNS4EMB0A
LFAGNS4EMB0B
LFAGNS4EMC0A
LFAGNS4EMC0K
LFAGNS4EMC0L
LFAGNS4EMC0M
LFAGNS4EMCXA
1372
O
X
TSB #: 26-01-013H
ROM ID
Page 12 of 20
SUBJECT: ECU SOFTWARE UPDATE FOR THETA II EMISSIONS IMPROVEMENT (SERVICE CAMPAIGN 9C2)
ROM ID Information (continued):
Model
2017MY
Sonata
(LFA)
Event
ECU
Part Number
Current
Latest
39111-2GGK7
LFAHNC4ERC0A
LFAHNC4ERC0B
LFAHNC4ERC0K
LFAHNC4ERC0L
LFAHNC4ERC0M
LFAHNC4ERC0N
LFAHNC4ERC0O
LFAHNC4ERCXA
39111-2GGK2
LFAHNC4EMC0A
LFAHNC4EMC0K
LFAHNC4EMC0L
LFAHNC4EMC0M
LFAHNC4EMC0N
LFAHNC4EMC0O
LFAHNC4EMCXA
39111-2GGL7
LFAHNS4ERC0A
LFAHNS4ERC0B
LFAHNS4ERC0K
LFAHNS4ERC0L
LFAHNS4ERC0M
LFAHNS4ERC0N
LFAHNS4ERC0O
LFAHNS4ERCXA
39111-2GGL2
LFAHNS4EMC0A
LFAHNS4EMC0B
LFAHNS4EMC0K
LFAHNS4EMC0L
LFAHNS4EMC0M
LFAHNS4EMC0N
LFAHNS4EMC0O
LFAHNS4EMCXA
39111-2GGK8
LFAHNC4ERC3A
LFAHNC4ERC3B
LFAHNC4ERC3K
LFAHNC4ERC3L
LFAHNC4ERC3M
LFAHNC4ERC3N
LFAHNC4ERC3O
LFAHNC4ERCXB
39111-2GGK3
LFAHNC4EMC0B
LFAHNC4EMC3A
LFAHNC4EMC3B
LFAHNC4EMC3K
LFAHNC4EMC3L
LFAHNC4EMC3M
LFAHNC4EMC3N
LFAHNC4EMC3O
LFAHNC4EMCXB
1367
TSB #: 26-01-013H
ROM ID
Page 13 of 20
SUBJECT: ECU SOFTWARE UPDATE FOR THETA II EMISSIONS IMPROVEMENT (SERVICE CAMPAIGN 9C2)
ROM ID Information (continued):
Model
2017MY
Sonata
(LFA)
Event
ECU
Part Number
Current
Latest
39111-2GGL8
LFAHNS4ERC3A
LFAHNS4ERC3B
LFAHNS4ERC3K
LFAHNS4ERC3L
LFAHNS4ERC3M
LFAHNS4ERC3N
LFAHNS4ERC3O
LFAHNS4ERCXB
39111-2GGL3
LFAHNS4EMC3A
LFAHNS4EMC3B
LFAHNS4EMC3K
LFAHNS4EMC3L
LFAHNS4EMC3M
LFAHNS4EMC3N
LFAHNS4EMC3O
LFAHNS4EMCXB
39111-2GGK9
LFAHNC4ERC5A
LFAHNC4ERC5K
LFAHNC4ERC5L
LFAHNC4ERC5M
LFAHNC4ERC5N
LFAHNC4ERC5O
LFAHNC4ERCXC
39111-2GGK4
LFAHNC4EMC5A
LFAHNC4EMC5K
LFAHNC4EMC5L
LFAHNC4EMC5N
LFAHNC4EMC5O
LFAHNC4EMCXC
39111-2GGL9
LFAHNS4ERC5A
LFAHNS4ERC5K
LFAHNS4ERC5L
LFAHNS4ERC5M
LFAHNS4ERC5N
LFAHNS4ERC5O
LFAHNS4ERCXC
39111-2GGL4
LFAHNS4EMC5A
LFAHNS4EMC5K
LFAHNS4EMC5L
LFAHNS4EMC5M
LFAHNS4EMC5N
LFAHNS4EMC5O
LFAHNS4EMCXC
1367
TSB #: 26-01-013H
ROM ID
Page 14 of 20
SUBJECT: ECU SOFTWARE UPDATE FOR THETA II EMISSIONS IMPROVEMENT (SERVICE CAMPAIGN 9C2)
ROM ID Information (continued):
Model
Event
IMMO
O
X
2018MY
Sonata
(LFA)
ECU
Part Number
Current
Latest
39112-2GGJ5
LPAINC4ERDAA
LPAINC4ERDAB
LPAINC4ERD5A
LPAINC4ERD5B
LPAINC4ERD5K
LPAINC4ERD5L
LPAINC4ERD5M
LPAINC4ERD5N
LPAINC4ERD5O
LPAINC4ERDXA
39112-2GGJ0
LPAINC4EMDAA
LPAINC4EMDAB
LPAINC4EMD5A
LPAINC4EMD5B
LPAINC4EMD5K
LPAINC4EMD5L
LPAINC4EMD5M
LPAINC4EMD5N
LPAINC4EMD5O
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Last update on 2026-03-23 / Affiliate links / Images from Amazon Product Advertising API
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