NHTSA ID Number: 10126427
Manufacturer Communication Number: TSBENG177B
TSB/Document Date: 2017-12-22
Summary
TSB - SERVICE ACTION: 2.4L SHIFT QUALITY & WAKE-UP LOGIC IMPROVEMENT (SA316B) - This bulletin provides the procedure to improve the logic of the Electronic Control Unit (ECU) and Transmission Control Unit (TCU) on some 2018MY Optima (JFa) 2.4L, produced from April 18, 2017 through September 7, 2017, and some 2018MY Sorento (UMa) 2.4L vehicles, produced from March 31, 2017 through October 19, 2017, which may experience an extended crank and/or a shift quality concern, such as a hard downshift, upshift, and/or shift delay.
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TSB/Document ID: TSBENG177B
Replacement Service Bulletin Number:
MFR Communication Date: 2017-11-22
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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GROUP
ENG
NUMBER
177B
MODEL
2018MY
Optima (JFa) 2.4L
Sorento (UMa) 2.4L
DATE
November 2017
TECHNICAL SERVICE BULLETIN
SUBJECT:
SERVICE ACTION: 2.4L SHIFT QUALITY & WAKE-UP
LOGIC IMPROVEMENT (SA316B)
This bulletin provides the procedure to improve the logic of the Electronic Control Unit (ECU)
and Transmission Control Unit (TCU) on some 2018MY Optima (JFa) 2.4L, produced from
April 18, 2017 through September 7, 2017, and some 2017MY Sorento (UMa) 2.4L vehicles,
produced from September 18, 2017 through November 16, 2017, which may experience an
extended crank and/or a shift quality concern, such as a hard downshift, upshift, and/or shift
delay. To correct this concern, apply the improved logic to the ECU and TCU using the KDS
ECU Upgrade function as described in this bulletin. For confirmation that the latest reflash has
been applied to a vehicle you are working on, verify the ROM ID using the table on pages 2-3
of this bulletin. Kia
is requesting the completion of this Service Action on all affected vehicles in
dealer stock, prior to delivery. Before conducting the procedure, verify that the vehicle is
included in the list of affected VINs.
NOTE: This TSB does not apply to 2.0T-GDI equipped Optima (JFa) vehicles. For 2.0T-GDI
equipped Optima (JFa) vehicles, refer to TSB TRA071A/SA315A regarding Shift Quality Logic
Improvement (TCU only).
Kia Diagnostic System (KDS)
NOTICE
A Service Action is a repair program without customer notification that is performed
during the warranty period. Any dealer requesting to perform this repair outside the
warranty period will require DPSM approval.
Repair status for a VIN is provided on WebDCS (Service → Warranty Coverage →
Warranty Coverage Inquiry → Campaign Information). Not completed Recall / Service
Action reports are available on WebDCS (Consumer Affairs → Not Completed Recall
→ Recall VIN → Select Report), which includes a list of affected vehicles.
This
issue
number is SA316B.
File
Under:
Circulate To:
X General Manager
X Service Advisors
X Technicians
X Service Manager
X Parts Manager
X Body Shop Manager Fleet Repair
Page 2 of 9
SUBJECT:
SERVICE ACTION: 2.4L SHIFT QUALITY & WAKE-UP
LOGIC IMPROVEMENT (SA316B)
ECU Upgrade Procedure:
To correct this condition, the ECU should be reprogrammed using the KDS
download, as described in this bulletin.
Upgrade Event Name
350.JFA 2.4 ECU ENGINE START LOGIC IMPROVEMENT
*351.JFA 2.0/2.4 TCU GEAR SHIFT LOGIC IMPROVEMENT
353.UMA 2.4L TCU GEAR SHIFT LOGIC IMPROVEMENT
359.UMA 2.4L ECU ENGINE START LOGIC IMPREVEMENT
*Upgrade Event 351 applies to both Optima (JFa) 2.0T and 2.4L TCUs. This bulletin only applies to 2.4L.
Refer to TSB TRA071A/SA315A for 2.0T vehicles.
NOTICE
A fully charged battery is necessary before ECU upgrade can take place. It is
recommended that the Midtronics GR8-1299 system be used in ECU mode during
charging. DO NOT connect any other battery charger to the vehicle during ECU
upgrade.
All ECU upgrades must be done with the ignition key in the ‘ON’ position.
Be careful not to disconnect the VCI-II connected to the vehicle during the ECU
upgrade procedure.
DO NOT start the engine during ECU upgrade.
DO NOT turn the ignition key ‘OFF’ or interrupt the power supply during ECU
upgrade.
When the ECU upgrade is completed, turn the ignition ‘OFF’ and wait 10 seconds
before starting the engine.
ONLY use approved ECU upgrade software designated for the correct model,
year.
NOTICE
Before attempting an ECU upgrade on any Kia model, make sure to first determine
whether the particular 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.
TSB: SA316B Optima (JFa), Sorento (UMa) November 2017
Page 3 of 9
SERVICE ACTION: 2.4L SHIFT QUALITY & WAKE-UP
LOGIC IMPROVEMENT (SA316B)
SUBJECT:
ROM ID INFORMATION TABLE:
Upgrade Event #350 (JFa ECU)
Model
EM
TM
IMMO
39108-2GGC7
Yes (+)
2.4L
ULEV
39108-2GGC2
No (-)
JFa
ROM ID
ECU P/No.
AT
39108-2GGD7
Yes (+)
2.4L
SULEV
39108-2GGD2
No (-)
Previous
New
JFAINC4ERD11
JFAINC4ERDAA
JFAINC4ERDAB
JFAINC4EMD11
JFAINC4EMDAA
JFAINC4EMDAB
JFAINS4ERD11
JFAINS4ERDAA
JFAINS4ERDAB
JFAINS4EMD11
JFAINS4EMDAA
JFAINS4EMDAB
JFAINC4ERD5A
JFAINC4EMD5A
JFAINS4ERD5A
JFAINS4EMD5A
Upgrade Event #351 (JFa TCU)
Model
JFa
EM
2.4L
ULEV
2.4L
SULEV
TM
AT
ROM ID
TCU P/No.
Previous
New
39108-2GGC2
39108-2GGC7
TJF0G24NSC
TJF0G24NSD
TJF0G24NSE
39108-2GGD2
39108-2GGD7
TJF0G24SSC
TJF0G24SSD
TJF0G24SSE
Upgrade Event #353 (UMa TCU)
Model
UMa
EM
2.4L
ULEV
2.4L
SULEV
TM
AT
ROM ID
TCU P/No.
Previous
New
39100-2GGF3
39100-2GGF8
TUM2G24NB3
TUM2G24NB4
TUM2G24NB5
39100-2GGH3
39100-2GGH8
TUM4G24NB3
TUM4G24NB4
TUM4G24NB5
Upgrade Event #359 (UMa ECU)
Model
EM
TM
IMMO
ECU P/No.
ROM ID
Previous
New
UMAINC4ERA6A
UMAINC4ERA7A
Yes (+)
UMAINC4ERD5B
UMAINC4ERA7B
UMAINC4ERD5A
UMa
AT
UMAINC4EMA6A
2.4L
39100-2GGF3
UMAINC4EMA7A
No (-)
UMAINC4EMD5B
SULEV
39100-2GGH3
UMAINC4EMA7B
UMAINC4EMD5A
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.
2.4L
ULEV
39100-2GGF8
39100-2GGH8
NOTICE
Prior to performing the ECU upgrade, be sure to check that the KDS is fully charged.
TSB: SA316B Optima (JFa), Sorento (UMa) November 2017
Page 4 of 9
SUBJECT:
1.
SERVICE ACTION: 2.4L SHIFT QUALITY & WAKE-UP
LOGIC IMPROVEMENT (SA316B)
Connect the VCI-II to the OBD-II
connector, located under the driver’s side
of the instrument panel.
NOTICE
The ECU upgrade function on
KDS operates wirelessly. It is
not necessary to perform the
upgrade via USB cable.
2.
With the ignition ON, turn ON the KDS
tablet. Select KDS from the home
screen.
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