GROUP

NUMBER

CAMPAIGN

Technical Service Bulletin

DATE

20-01-025H
MODEL(S)

June, 2020

Sonata (LFA)

SONATA (LFA) CONTROL LOGIC UPDATE
(SERVICE CAMPAIGN TWW)

SUBJECT:

This TSB supersedes TSB 16-01-053 to add Retail Vehicles.

 IMPORTANT
*** Retail Vehicles Only ***
Dealers must perform this Service Campaign whenever an affected vehicle is in the shop for
any maintenance or repair.
When a vehicle arrives at the Service Department, access Hyundai Motor America's “Vehicle
Information Screen (VIS)” via WEBDCS to identify open Campaigns.
Description: This bulletin provides the procedure to update both the ECM (Engine Control Module)
and the TCM (Transmission Control Module) on certain 2015-2017 Hyundai Sonatas equipped with
1.6L turbo engine 7-speed DCT Transmission.
Applicable Vehicles: Certain 2015-2017MY Sonata (LFA) equipped with 1.6L turbo engine 7-speed
DCT Transmission
GDS Information:
System Selection: ENGINE CONTROL MODULE (ECM)
Event #

Description

418

418.LFA 1.6T-GDI+DCT CONTROL LOGIC IMPROVEMENT(ECU)

(*or use a later available event as listed in the GDS ECU Update screen if one is available.)
System Selection: TRANSMISSION CONTROL MODULE (TCM)
Event #

Description

419

419.LFA 1.6T-GDI+DCT CONTROL LOGIC IMPROVEMENT (TCU(DCT))

(*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

Causal
Code

Sonata
60CA26R0 ECM &TCM UPDATE 0.5 M/H 39118-2BLA3
T31
ZZ3
(LFA)
NOTE 1: Submit Claim on Campaign Claim Entry Screen
NOTE 2: If a part is found in need of replacement while performing Service Campaign TWW, and the
affected part is still under warranty, submit a separate claim using the same Repair Order. If the
affected part is out of warranty. submit a Prior Approval Request for goodwill consideration prior to
performing the work.
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair

SUBJECT:

SONATA (LFA) CONTROL LOGIC UPDATE (SERVICE CAMPAIGN TWW)

NOTICE
You must initially perform GDS ECM Update in Auto Mode.
If the ECM Update starts but then fails in Auto Mode, perform the update in Manual Mode to
recover.
!

WARNING

GDS Vehicle Battery Voltage Warning:
If voltage is below 12 volts as per the below GDS warning, then select Back and run the
engine at least 20 minutes to ensure an adequate battery state of charge for reliable update
results. Turn ignition back on, and then retry the ECU update again.

Service Procedure:
1. Perform GDS Mobile software update per TSB 15-GI-001.
2. After successful completion of ECM software update, check for Diagnostic Trouble Codes in
ALL menus and erase any DTC.
3. Erase the DTC in the BlueLink system per TSB 12-BE-005-2.
4. Confirm normal vehicle operation.
5. The service procedure is now complete.
ROM Information:

NOTICE
Both the ECM and TCM update events must be performed.
ECM ROM ID Table:
MODEL

OPTION

+ IMMO

OLD

NEW
GTLF-ENU6FS05H00

39118-2BLA0

GTLF-ENU6FS00H00
GTLF-ENU6FS01H00
GTLF-ENU6FS02H00
GTLF-ENU6FS03H00
GTLF-ENU6FS04H00

GTLF-ENU6ES05H00

39118-2BLA3

GTLF-ENU6ES00H00
GTLF-ENU6ES01H00
GTLF-ENU6ES02H00
GTLF-ENU6ES03H00
GTLF-ENU6ES04H00

LFA 1.6 T-GDI DCT
- IMMO

ROM ID

ECU P/No.

+IMMO = Start Stop Button
-IMMO = Key Start
TSB #: 20-01-025H

Page 2 of 3
SUBJECT:

SUBJECT:

SONATA (LFA) CONTROL LOGIC UPDATE (SERVICE CAMPAIGN TWW)

TCM ROM ID Table:
MODEL

ROMs ID

TCU P/No.

LFA
1.6 T-GDI
DCT

95440-2D001

OLD

NEW

DLF0T16NS0
DLF0T16NS1
DLF0T16NS2
DLF0T16NS3
DLF0T16NS4
DLF0T16NS5
DLF0T16NS6
DLF0T16NS7
DLF0T16NS8
DLF0T16NS9
DLF0T16NSA
DLF0T16NSB

DLF0T16NSC

Manual Mode Password:
#418 ECM
Menu

Password

LFA 1.6T-GDI ECU -IMMO 39118-2BLA3
LFA 1.6T-GDI ECU +IMMO 39118-2BLA0

1823
1820

Menu

Password

LF 1.6T-GDI TCU(DCT) 95440-2D001

2001

#419 TCM

TSB #: 20-01-025H

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SUBJECT: