23-AT-005H

GROUP
NUMBER
AUTOMATIC
TRANSMISSION
Technical Service Bulletin
SUBJECT:
DATE
23-AT-005H
MODEL(S)
MAY 2023
SANTA FE (TMa)
TCU UPDATE – SANTA FE (TMA) 2.4L P0741
DESCRIPTION:
This bulletin provides the procedure to update the TCU to revise the logic for P0741 (Torque converter
clutch circuit).
APPLICABLE VEHICLES: 2019~20MY Santa Fe (TMa) 2.4GDI with 8-speed automatic transaxle
GDS INFORMATION: System Selection: A/T
Event #
Description
936*
TMa 2.4GDI 8AT P0741 IMPROVEMENT
(*or use a later available event as listed in the GDS ECU Update screen if one is available.)
WARRANTY INFORMATION:
Model
Op Code
Operation
Op Time
Causal Part
Nature
Code
Cause Code
Santa Fe (TMa)
39171F13
TCU
UPGRADE
0.3 M/H
39171-2GTC1
T75
ZZ3
NOTE: Normal Warranty Applies
TCU ROM ID TABLE:
936.TMa 2.4GDI 8AT P0741 Improvement
2WD:
TMA 2.4GDI 2WD TCU 391712GTC0/C1/C5/C6, 39173-2GTE0/E1/G0/G1
4WD:
TMA 2.4GDI 4WD TCU 391712GTD0/D1/D5/D6, 39173-2GTF0/F1/H0/H1
ECU P/N
39171-2GTC1
39171-2GTC6
39173-2GTE1
39173-2GTG1
39171-2GTC0
39171-2GTC5
39173-2GTE0
39173-2GTG0
39171-2GTD1
39173-2GTF1
39171-2GTD0
39173-2GTF0
ROM ID
Old
TTM2G24NS0
TTM2G24NS1
TTM2G24NS2
TTM2G24NS3
TTM2G24NS4
TTM2G24NS5
TTM2G24NS6
TTM2G24NS7
TTM4G24NS0
TTM4G24NS1
TTM4G24NS2
TTM4G24NS3
TTM4G24NS4
TTM4G24NS5
TTM4G24NS6
TTM4G24NS7
New
TTM2G24NS8
TTM4G24NS8
Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair
SUBJECT::
:
TCU UPDATE – SANTA FE (TMA) 2.4L – P0741 IMPROVEMENT
SERVICE PROCEDURE:
NOTICE
You must initially perform GDS ECU and TCU Update in Auto Mode.
 If the ECU or TCU update starts but then fails in Auto Mode, disconnect the battery
cables and connect the cables together for one minute. Reconnect the battery cables,
attach a battery charger and perform the update in Manual Mode to recover.
 Refer to the General Instructions found in TSB 15-GI-001 (GDS Mobile).
MANUAL UPDATE: If the TCU Update starts but then fails in Auto Mode, perform the
update in Manual Mode to recover. Select the correct file from the ECU ROM ID table.
Menu
TMA 2.4GDI 2WD TCU 391712GTC0/C1/C5/C6, 391732GTE0/E1/G0/G1
TMA 2.4GDI 4WD TCU 391712GTD0/D1/D5/D6, 391732GTF0/F1/H0/H1
Drive
Password
2WD
2420
4WD
2421
Perform the following after the TCU Update:
1. Check for Diagnostic Trouble Codes and erase any DTC.
2. Reset the automatic transmission adaptive values using GDS, S/W Management, Automatic
Transmission menu and Resetting Auto T/A Values. Follow the prompts on the GDS.
TSB #: 23-AT-005H
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SUBJECT: