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.
QL 2.4GDI ULEV -IMMO(19MY/2WD): 39100-2GHS2
6345
QL 2.4GDI ULEV -IMMO(19MY/4WD): 39100-2GHT2
2727
QL 2.4GDI SULEV +IMMO/SMK(19MY/2WD): 39100-2GHT7
6360
QL 2.4GDI SULEV +IMMO/SMK(19MY/4WD): 39100-2GHV7
4729
QL 2.4GDI SULEV -IMMO(19MY/2WD): 39100-2GHV2
2249
QL 2.4GDI SULEV -IMMO(19MY/4WD): 39100-2GHW2
3791
QL PE 2.4GDI ULEV +IMMO/SMK(20MY/2WD): 39171-2GRA1/B1
3332
QL PE 2.4GDI ULEV +IMMO/SMK(20MY/4WD): 39171-2GRC1/D1
2121
QL PE 2.4GDI SULEV +IMMO/SMK(20MY/2WD): 39171-2GRE1/F1
1221
QL PE 2.4GDI SULEV -IMMO(20MY/2WD): 39171-2GRG1/H1
3842
QL PE 2.4GDI ULEV +IMMO/SMK(21MY/2WD): 39171-2GRA2/B2
4234
QL PE 2.4GDI ULEV -IMMO(21MY/2WD): 39171-2GRC2/D2
4340
QL PE 2.4GDI SULEV +IMMO/SMK(21MY/2WD): 39171-2GRE2/F2
7924
QL PE 2.4GDI SULEV -IMMO(21MY/2WD): 39171-2GRG2/H2
2222
QL 2.4 GDI +IMMO/SMK 18MY(ULEV/2WD) : 39100-2GHR6
1832
QL 2.4 GDI -IMMO 18MY(ULEV/2WD) : 39100-2GHS1
3891
QL 2.4 GDI +IMMO/SMK 18MY(ULEV/4WD) : 39100-2GHS6
6442
QL 2.4 GDI -IMMO 18MY(ULEV/4WD) : 39100-2GHT1
8449
QL 2.4 GDI +IMMO/SMK 18MY(SULEV/2WD) : 39100-2GHT6
8900
QL 2.4 GDI -IMMO 18MY(SULEV/2WD) : 39100-2GHV1
9588
QL 2.4 GDI +IMMO/SMK 18MY(SULEV/4WD) : 39100-2GHV6
0989
QL 2.4 GDI -IMMO 18MY(SULEV/4WD) : 39100-2GHW1
1212
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 22 of 25
THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340)
SUBJECT:
‘Manual Mode’ passwords.
Event No.
#914
#925
#920
Menu
Password
QL PE 2.4GDI ULEV +IMMO/SMK(22MY/2WD): 39171-2GRA3
3151
QL PE 2.4GDI ULEV +IMMO/SMK(22MY/4WD): 39171-2GRB3
3953
QL PE 2.4GDI ULEV -IMMO(22MY/2WD): 39171-2GRC3
0625
QL PE 2.4GDI ULEV -IMMO(22MY/4WD): 39171-2GRD3
5444
QL PE 2.4GDI SULEV +IMMO/SMK(22MY/2WD): 39171-2GRE3
3761
QL PE 2.4GDI SULEV +IMMO/SMK(22MY/4WD): 39171-2GRF3
4472
QL PE 2.4GDI SULEV -IMMO(22MY/2WD): 39171-2GRG3
6678
QL PE 2.4GDI SULEV -IMMO(22MY/4WD): 39171-2GRH3
8887
QL 2.4GDI +IMMO/SMK 17MY (ULEV): 39100-2GHR5
0179
QL 2.4GDI +IMMO/SMK 17MY (ULEV): 39100-2GHS5
0271
QL 2.4GDI -IMMO 17MY (ULEV): 39100-2GHS0
1285
QL 2.4GDI -IMMO 17MY (ULEV): 39100-2GHT0
1943
QL 2.4GDI +IMMO/SMK 17MY (SULEV): 39100-2GHT5
2200
QL 2.4GDI +IMMO/SMK 17MY (SULEV): 39100-2GHV5
5312
QL 2.4GDI -IMMO 17MY (SULEV): 39100-2GHV0
7880
QL 2.4GDI -IMMO 17MY (SULEV): 39100-2GHW0
8350
JF/JFa 2.4 GDI +IMMO/SMK 16MY(ULEV): 39108-2GGC5
1617
JF/JFa 2.4 GDI -IMMO 16MY(ULEV): 39108-2GGC0
9346
JF/JFa 2.4 GDI +IMMO/SMK 16MY(SULEV): 39108-2GGD5
8685
JF/JFa 2.4 GDI -IMMO 16MY(SULEV): 39108-2GGD0
0023
JF/JFa 2.4 GDI +IMMO/SMK 17MY(ULEV): 39108-2GGC6
7489
JF/JFa 2.4 GDI +IMMO/SMK 17MY(ULEV): 39108-2GGC8
6060
JF/JFa 2.4 GDI -IMMO 17MY(ULEV): 39108-2GGC1
1196
JF/JFa 2.4 GDI -IMMO 17MY(ULEV): 39108-2GGC3
0766
JF/JFa 2.4 GDI -IMMO 17MY(ULEV): 39108-2GGL1
3629
JF/JFa 2.4 GDI -IMMO 17MY(ULEV): 39100-2GGL2
7651
JF/JFa 2.4 GDI +IMMO/SMK 17MY(SULEV): 39108-2GGD6
2996
JF/JFa 2.4 GDI +IMMO/SMK 17MY(SULEV): 39108-2GGD8
9931
JF/JFa 2.4 GDI -IMMO 17MY(SULEV): 39108-2GGD1
8917
JF/JFa 2.4 GDI -IMMO 17MY(SULEV): 39108-2GGD3
4679
JF/JFa 2.4 GDI -IMMO 17MY(SULEV): 39108-2GGM1
9252
JF/JFa 2.4 GDI -IMMO 17MY(SULEV): 39100-2GGM2
8051
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 23 of 25
SUBJECT:
THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340)
ATTENTION: THE PROOF OF CORRECTION CARD AND CAMPAIGN COMPLETION LABEL ARE
RESTRICTED ONLY TO DEALERS IN THE FOLLOWING STATES:
California, Connecticut, Delaware, Massachusetts, Maine, Maryland, New Jersey, New York, Oregon,
Pennsylvania, Rhode Island, Vermont, and Washington. See Parts Information below to order the Proof of
Correction Card and Campaign Completion Label from the PDC.
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,
Connecticut, Delaware, Massachusetts, Maine, Maryland, 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 the repair order. ALL INFORMATION MUST BE PRINTED AND NEAT.
NOTE: DO NOT COMPLETE THE CARD UNLESS THE SERVICE CAMPAIGN WORK IS COMPLETED.
The copy of the card shown below indicates the areas to be filled in. Each area must be filled in. The completed
card should be given to the owner of the vehicle upon completion of the Campaign and placement of the
Campaign Completion Label outlined below…
FILLING OUT AND APPLYING THE CAMPAIGN COMPLETION LABEL (CA and S.177 STATES ONLY):
The dealer must fill in the Dealer Code and Date information fields on the Campaign Completion Label.
Once complete, affix the campaign completion label under the hood of the vehicle, as shown below.
CA and S.177 States Only: Apply SC340 Campaign
SC340
Completion Label onto the body in the area next to
Dealer Code:
the shock tower, as shown. NOTE: Be sure to clean the
Date:
mounting surface to ensure proper label adhesion.
UT160 SC340
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 24 of 25
SUBJECT:
THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340)
AFFECTED VEHICLE RANGE:
Model
Production Date Range
Optima (JF, JFa)
August 28, 2015 to June 23, 2020
Sorento (UMa)
October 27, 2014 to November 4, 2020
Sportage (QL)
December 10, 2015 to December 7, 2021
REQUIRED TOOL:
Tool Name
Kia Diagnostic System
(KDS)
Part Number
Figure
Comments
N/A
KDS + VCI
REQUIRED PART:
Part Name
Part Number
Figure
Qty.
Comments
UT161 SC340
1
N/A
UT160 SC340
1
N/A
Vehicle Emissions
Recall Proof of
Correction Card
Campaign
Completion Label
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 25 of 25
THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340)
SUBJECT:
WARRANTY INFORMATION:
N Code: N99 C Code: C99
Model
Claim
Causal
MY
Type
P/N
JF
39108
16-18MY
2GGC7
JFa
39108
16-20MY
2GGC5
Qty.
Repair
Labor Op
Op
Replacement
Description
Code
Time
P/N
Qty.
250067R1
250A21R0
(SC340)
UMa
18-20MY
R
39713
2.4L GDI Theta II
2GMA0
Emissions Logic
0
QL
39100
17-18 MY
2GHJ0
250A21R1
0.3
M/H
N/A
0
N/A
0
Improvement
250067R0
QL
39161
19-22MY
2GRA1
UMa
16-17MY
Software Release
R
TBD
0
(Under Development
and will be released at
TBD
M/H
different stages)
Note: Refer to Warranty Bulletin 2025-28 for claim submission procedures. For Substitute Transportation
policy, please refer to Service Policy and Procedures Manual (SPPM) 6.11 “Kia Substitute
Transportation”.
NOTICE
VIN inquiry data for this repair is provided for tracking purposes only. Kia retailers should reference
SC340 when accessing the KDealer+ system.
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
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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:
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