NHTSA ID Number: 11029979
Manufacturer Communication Number: SC340_TSB_R4
TSB/Document Date: 2026-03-13
Summary
TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSION SECM LOGIC IMPROVEMENT (SC340 REV 4) - 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 upgrade the Electronic Control Module ‘ECM’ system software for certain 2016-2022MY vehicles equipped with 2.4L Theta II engines listed in the table below. Kia
has become aware that certain 2016-2022MY vehicles equipped with 2.4L Theta II engines may have engine calibrations that were not optimized for emissions standards under certain specific conditions. These calibrations may cause the vehicle to release air pollutants which exceed Federal and California standards. These standards were established to protect your health and welfare from the dangers of air pollution.
JFAHNS4ERC32
JFAHNS4ERCXA
JFAHNS4ERC33
JFAHNS4ERC34
JFAHNS4ERC35
Yes
JFAHNS4ERD1A
JFAHNS4ERD11
39108 2GGD8
JFAHNS4ERD12
JFAHNS4ERD13
JFAHNS4ERDXA
JFAHNS4ERD14
JFAHNS4ERD15
JFAHNS4EMC3A
JFAHNS4EMC3B
JFAHNS4EMC31
39108 2GGD1
JFAHNS4EMC32
JFAHNS4EMCXA
JFAHNS4EMC33
Optima
(JF/JFa)
16-17MY
JFAHNS4EMC34
JFAHNS4EMC3C
(SULEV)
JFAHNS4EMD1A
JFAHNS4EMD11
39108 2GGD3
JFAHNS4EMD12
JFAHNS4EMD13
JFAHNS4EMDXA
JFAHNS4EMD14
JFAHNS4EMD1B
No
JFAHNS4EMC3K
JFAHNS4EMC3L
JFAHNS4EMC35
39108 2GGM1
JFAHNS4EMC36
JFAHNS4EMCXB
JFAHNS4EMC37
JFAHNS4EMC38
JFAHNS4EMC3M
JFAHNS4EMD1K
JFAHNS4EMD15
39100 2GGM2
JFAHNS4EMD16
JFAHNS4EMD18
JFAHNS4EMD1L
Printed document copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: SC340 (Rev 4) Multiple Models November 2025
JFAHNS4EMDXB
Page 17 of 25
SUBJECT:
THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340)
Upgrade Event #925 Sportage (QL)
Model
System
IMMO
ECU P/No.
ROM ID
Previous
New
QLDGNC4ERB2A
QLDHNC4ERB2A
QLDHNC4ERB4A
QLDHNC4ERB4B
39100 2GHR5
QLDHNC4ERB41
QLDHNC4ERBXA
QLDHNC4ERB42
QLDHNC4ERB43
QLDHNC4ERB44
QLDHNC4ERB4C
Yes
QLDGNC4ERB2K
QLDHNC4ERB2K
QLDHNC4ERB4K
QLDHNC4ERB4L
39100 2GHS5
QLDHNC4ERB45
QLDHNC4ERBXB
QLDHNC4ERB46
QLDHNC4ERB47
Sportage
(QL)
17MY
QLDHNC4ERB48
ECM
QLDHNC4ERB4M
(ULEV)
QLDGNC4EMB2A
QLDHNC4EMB2A
QLDHNC4EMB4A
QLDHNC4EMB4B
39100 2GHS0
QLDHNC4EMB41
QLDHNC4EMBXA
QLDHNC4EMB42
QLDHNC4EMB43
QLDHNC4EMB44
QLDHNC4EMB4C
No
QLDGNC4EMB2K
QLDHNC4EMB2K
QLDHNC4EMB4K
QLDHNC4EMB4L
39100 2GHT0
QLDHNC4EMB45
QLDHNC4EMBXB
QLDHNC4EMB46
QLDHNC4EMB47
QLDHNC4EMB48
QLDHNC4EMB4M
Printed document copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: SC340 (Rev 4) Multiple Models November 2025
Page 18 of 25
SUBJECT:
THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340)
Upgrade Event #925 Sportage (QL)
Model
System
IMMO
ECU P/No.
ROM ID
Previous
New
QLDGNS4ERB2A
QLDHNS4ERB2A
QLDHNS4ERB4A
QLDHNS4ERB4B
39100 2GHT5
QLDHNS4ERB41
QLDHNS4ERBXA
QLDHNS4ERB42
QLDHNS4ERB43
QLDHNS4ERB44
QLDHNS4ERB4C
Yes
QLDGNS4ERB2K
QLDHNS4ERB2K
QLDHNS4ERB4K
QLDHNS4ERB4L
39100 2GHV5
QLDHNS4ERB45
QLDHNS4ERBXB
QLDHNS4ERB46
QLDHNS4ERB47
Sportage
(QL)
17MY
QLDHNS4ERB48
ECM
QLDHNS4ERB4M
(SULEV)
QLDGNS4EMB2A
QLDHNS4EMB2A
QLDHNS4EMB4A
QLDHNS4EMB4B
39100 2GHV0
QLDHNS4EMB41
QLDHNS4EMBXA
QLDHNS4EMB42
QLDHNS4EMB43
QLDHNS4EMB44
QLDHNS4EMB4C
No
QLDGNS4EMB2K
QLDHNS4EMB2K
QLDHNS4EMB4K
QLDHNS4EMB4L
39100 2GHW0
QLDHNS4EMB45
QLDHNS4EMB46
QLDHNS4EMB47
QLDHNS4EMB48
QLDHNS4EMB4M
Printed document copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: SC340 (Rev 4) Multiple Models November 2025
QLDHNS4EMBXB
Page 19 of 25
THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340)
SUBJECT:
Software Information:
The required software must be installed by selecting
the ‘Auto Mode’ ECU Upgrade option.
Note: In some case, the ‘Manual Mode’ installation
option may be required ONLY if the ‘Auto Mode’
function fails or is otherwise noted above.
UPGRADE EVENT:
Select the applicable ‘ECM’ system module and the
Event Group for the affected vehicle:
•
889. UMa Theta 2.4 emission logic
Improvement (18MY)
or
•
876.UMa PE Theta 2.4 Emission Logic
Improvement (19MY)
or
•
877.UMa PE Theta 2.4 Emission Logic
Improvement (20MY)
or
•
890.JF/JFa Theta 2.4 Emission logic
Improvement (18MY)
or
•
878.JFa PE Theta 2.4 Emission Logic
Improvement (19-20MY)
or
•
891.QL Theta 2.4 Emission logic
•
Improvement (16~17MY)
Improvement (18MY)
or
•
879.QL/QL PE Theta 2.4 Emission Logic
Improvement (19-21MY)
920.JF/JFa Theta 2.4 Emission Logic
or
•
925.QL
Theta
2.4
Emission
Logic
Improvement (17MY)
or
•
914.QL/QL PE Theta 2.4 Emission Logic
Improvement (22MY)
Verify the affected vehicle Calibration Identification of
the applicable ECU ROM ID and reference the
Information Table on pages 3 - 14 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: SC340 (Rev 4) Multiple Models November 2025
Page 20 of 25
THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340)
SUBJECT:
NOTICE
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 the manual upgrade.
‘Manual Mode’ passwords.
Event No.
Menu
UMA 2.4 GDI +IMMO/SMK 18MY(ULEV/2WD) : 39100-2GGF8
[2WD_UMAINC4ERA6A/A7A/A7B/D5A/D5B/D5K/D5M/D5O/D5Q/D5S]
UMA 2.4 GDI +IMMO/SMK 18MY(ULEV/4WD) : 39100-2GGH8
#889
[4WD_UMAINC4ERA6A/A7A/A7B/D5A/D5B/D5L/D5N/D5P/D5R/D5T]
UMA 2.4 GDI -IMMO 18MY(ULEV/2WD) : 39100-2GGF3
[2WD_UMAINC4EMA6A/A7A/A7B/D5A/D5B/D5K/D5M/D5O/D5Q/D5S]
UMA 2.4 GDI -IMMO 18MY(ULEV/4WD) : 39100-2GGH3
[4WD_UMAINC4EMA6A/A7A/A7B/D5A/D5B/D5L/D5N/D5P/D5R/5DT]
UMA PE 2.4 GDI +IMMO/SMK 19MY(ULEV/2WD): 39171-2GMN0
[2WD_UPAJNC4ERE1A/E1B/E1C/E1D/G1A/G1B/G1C/G1D]
UMA PE 2.4 GDI +IMMO/SMK 19MY(ULEV/4WD): 39171-2GMN1
#876
[4WD_UPAJNC4ERE1A/E1B/E1C/E1D/G1K/G1L/G1M/G1N]
UMA PE 2.4 GDI -IMMO 19MY(ULEV/2WD) : 39173-2GMA0
[2WD_UPAJNC4EME1A/E1B/E1C/E1D/G1A/G1B/G1C/G1D]
UMA PE 2.4 GDI -IMMO 19MY(ULEV/4WD) : 39173-2GMA1
[4WD_UPAJNC4EME1A/E1B/E1C/E1D/G1K/G1L/G1M/G1N]
#877
#890
Password
4554
4579
2574
2179
5932
3211
8872
5252
UMA PE 2.4 GDI +IMMO/SMK 20MY(ULEV): 39171-2GMN2/N3
2468
UMA PE 2.4 GDI -IMMO 20MY(ULEV): 39173-2GMA2/A3
3322
JF/JFa 2.4 GDI +IMMO/SMK 18MY(ULEV) : 39108-2GGC7
8719
JF/JFa 2.4 GDI -IMMO 18MY(ULEV) : 39108-2GGC2
4544
JF/JFa 2.4 GDI +IMMO/SMK 18MY(SULEV) : 39108-2GGD7
1083
JF/JFa 2.4 GDI -IMMO 18MY(SULEV) : 39108-2GGD2
6922
JF/JFa PE 2.4GDI SULEV +IMMO/SMK(20MY): 39171-2GJL1
1624
JF/JFa PE 2.4GDI SULEV -IMMO(20MY): 39171-2GJL6
6349
Continued …
Printed document copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: SC340 (Rev 4) Multiple Models November 2025
Page 21 of 25
THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340)
SUBJECT:
#878
#879
#891
JFa PE 2.4GDI ULEV +IMMO/SMK(19MY): 39171-2GJK0
7222
JFa PE 2.4GDI ULEV -IMMO(19MY): 39171-2GJK5
5744
JFa PE 2.4GDI SULEV +IMMO/SMK(19MY): 39171-2GJL0
9911
JFa PE 2.4GDI SULEV -IMMO(19MY): 39171-2GJL5
3455
JFa PE 2.4GDI ULEV +IMMO/SMK(20MY): 39171-2GJK1
4342
JFa PE 2.4GDI ULEV -IMMO(20MY): 39171-2GJK6
7230
JFa PE 2.4GDI SULEV +IMMO/SMK(20MY): 39171-2GJL1
1624
JFa PE 2.4GDI SULEV -IMMO(20MY): 39171-2GJL6
6349
QL 2.4GDI ULEV +IMMO/SMK(19MY/2WD): 39100-2GHR7
2794
QL 2.4GDI ULEV +IMMO/SMK(19MY/4WD): 39100-2GHS7
7266
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TSB/Document ID: SC340_TSB_R4
Replacement Service Bulletin Number:
MFR Communication Date: 2026-03-06
MFR Internal Campaign ID/Software Version: SC340
Communication Type: Emissions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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