TSBTRA082

GROUP
TRA
MODEL
2019MY
Sorento (UMa)
NUMBER
082
DATE
May 2019
TECHNICAL SERVICE BULLETIN
SUBJECT:
SERVICE ACTION: 3.3 GDI 8AT TCU
LOGIC IMPROVEMENT FOR DTC P0741(SA387)
This bulletin provides the procedure to improve logic of the TCU (Transmission Control Unit)
software on some 2019MY Sorento (UMa) 3.3L vehicles produced from January 24, 2018 to
March 26, 2019, which may experience a malfunction indicator lamp (MIL) ON with DTC
P0741. To correct this concern, apply the improved logic to the 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 page 2 of this
bulletin. Before conducting the procedure, verify that the vehicle is included in the list of
affected VINs.
DTC: P0741 – Torque Converter Clutch Circuit Performance or Stuck Off
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 SA387.
File Under: 
Circulate To:
X General Manager

X Service Advisors

X Technicians

X Service Manager

X Parts Manager

X Body Shop Manager 
X Fleet Repair

Page 2 of 8
SERVICE ACTION: 3.3 GDI 8AT TCU
LOGIC IMPROVEMENT FOR DTC P0741 (SA387)
SUBJECT:
ECU Upgrade Procedure:
To correct this condition, the ECU should be reprogrammed using the KDS
download, as described in this bulletin.
Upgrade Event Name
420. UMA LAMBDA 3.3GDI 8AT TCU MIL ON DTC (P0741) LOGIC IMPROVEMENT
 NOTICE







A fully charged battery is necessary before ECU upgrade can take place. It is
recommended that the Midtronics GR 8-1299 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.
ROM ID INFORMATION TABLE:
Upgrade Event #420
Model
EM
TM
TYPE
FWD
UMa
Lambda
3.3GDI
ECU P/No.
ROM ID
Previous
New
95441 4G460
TUM2G33NL0
TUM2G33NL1
TUM2G33NL2
TUM2G33NL3
TUM2G33NL4
95441 4G480
TUM4G33NL0
TUM4G33NL1
TUM4G33NL2
TUM4G33NL3
TUM4G33NL4
8AT
AWD
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.
TSB: SA387 Sorento (UMa) May 2019
Page 3 of 8
SERVICE ACTION: 3.3 GDI 8AT TCU
LOGIC IMPROVEMENT FOR DTC P0741 (SA387)
SUBJECT:
 NOTICE
Prior to performing the ECU upgrade, be sure to check that the KDS is fully charged.
1.
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.
3.
Confirm communication with VCI (A) and
then configure the vehicle (B) using the
AUTO VIN (C) feature.
B
A
C
TSB: SA387 Sorento (UMa) May 2019
Page 4 of 8
SUBJECT:
SERVICE ACTION: 3.3 GDI 8AT TCU
LOGIC IMPROVEMENT FOR DTC P0741 (SA387)
4.
Select ECU Upgrade.
5.
The KDS will check the server for
recently uploaded Events and then
automatically download Upgrade Event
#420 (UMa).
 NOTICE
The vehicle must be identified in
Vehicle Selection to download
an Event for that vehicle.
6.
KDS
screenshot
shown
above
is
for
demonstration purposes only. Events shown in
screenshot are not applicable to this bulletin.
Select Auto Mode.
CAUTION
Do NOT attempt to perform a
Manual Mode upgrade UNLESS
Auto Mode fails. Always follow
the instructions given on the
KDS in either Auto or Manual
mode.
7.
Select the A/T system under the System
selection menu.
Touch ID Check (D) and confirm that the
latest update is available.
Select Upgrade Event #420 and select
Upgrade to continue.
TSB: SA387 Sorento (UMa) May 2019
D
Page 5 of 8
SUBJECT:
8.
SERVICE ACTION: 3.3 GDI 8AT TCU
LOGIC IMPROVEMENT FOR DTC P0741 (SA387)
The ECU upgrade will begin and the
progress of the upgrade will appear on
the bar graph. Upgrade part (1/2) (E) will
download the upgrade event to the VCIII. Upgrade part (2/2) (F) will upgrade the
ECU.
CAUTION
E
F
Do not touch the system
buttons (like ‘Back’, ‘Home’,
‘etc.’) while performing ECU
Upgrade.
9.
If a “Communication Fail” screen
appears, verify that the VCI-II and KDS
are communicating properly. Touch OK
and restart the procedure from step 4.
 NOTICE
If an error notice continues to
appear or if the upgrade cannot
be
performed,
DO
NOT
disconnect
the
KDS/VCI-II.
Contact GIT America Help Desk
at (888) 542-4371 or Techline.
10. When instructed on the KDS, turn the
ignition OFF for ten (10) seconds then
back on. Touch OK to continue.
TSB: SA387 Sorento (UMa) May 2019
Page 6 of 8
SUBJECT:
SERVICE ACTION: 3.3 GDI 8AT TCU
LOGIC IMPROVEMENT FOR DTC P0741 (SA387)
11. Once the upgrade is complete, touch OK
to finalize the procedure.
12. When prompted, select YES to check for
Diagnostic Trouble Codes (DTC) and
erase any DTCs stored such as EPS,
ESC, and TPMS that may have been set
during the upgrade.
13. Start the engine to confirm proper
operation of the vehicle.
TSB: SA387 Sorento (UMa) May 2019
Page 7 of 8
SUBJECT:
SERVICE ACTION: 3.3 GDI 8AT TCU
LOGIC IMPROVEMENT FOR DTC P0741 (SA387)
Manual Upgrade Procedure:
 NOTICE
The manual upgrade should ONLY be performed if the automatic upgrade fails.
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 manual
upgrade.
See table below for Manual Mode passwords.
Manual Mode ECU Upgrade Passwords
Menu
Password
UMA LAMBDA 3.3GDI 8AT (FWD) : 95441-4G460
UMA LAMBDA 3.3GDI 8AT (AWD) : 95441-4G480
4160
4180
1.
Within the ECU Upgrade screen displayed, select Manual Mode.
2.
Select the ECU system under the System selection menu. Select Upgrade Event #420
or 421 and select Upgrade to continue.
3.
Select the appropriate control unit part number with reference to the ROM ID Information
Table on page 2, and select OK.
4.
Enter the appropriate password from the Manual Mode password table above and select
OK.
5.
The upgrade will begin and the progress of the upgrade will appear on the bar graph.
6.
When instructed on the KDS, turn the ignition OFF for ten (10) seconds then back on.
Touch OK to continue.
7.
Once the upgrade is complete, touch OK to finalize the procedure.
8.
When prompted, select YES to check for Diagnostic Trouble Codes (DTC) and erase any
DTCs stored such as EPS, ESC, and TPMS that may have been set during the upgrade.
9.
Start the engine to confirm proper operation of the vehicle.
TSB: SA387 Sorento (UMa) May 2019
Page 8 of 8
SUBJECT:
SERVICE ACTION: 3.3 GDI 8AT TCU
LOGIC IMPROVEMENT FOR DTC P0741 (SA387)
AFFECTED VEHICLE RANGE:
Model
Production Date Range
Sorento (UMa)
January 24, 2018 to March 26, 2019
WARRANTY INFORMATION:
N Code: N99 C Code: C99
Claim
Type
V
Causal P/N
95440 4G480
Qty.
Repair
Description
Labor Op
Code
Op
Time
Replacement
P/N
Qty.
0
(SA387)
LAMBDA 3.3GDI
8AT TCU ON (P0741)
Logic Improvement
(UMa)
190A21R0
0.3
M/H
N/A
0
 NOTICE
VIN inquiry data for this repair is provided for tracking purposes only. Kia retailers
should reference SA387 when accessing the WebDCS system.
TSB: SA387 Sorento (UMa) May 2019