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NHTSA ID Number: 10201468

Manufacturer Communication Number: 21-AT-013H

TSB/Document Date: 2021-09-17


Summary

Certain vehicles (listed below) equipped with 7-speed Dual Clutch Transmission (DCT) may exhibit abnormal vibration at low speeds. This bulletin outlines the procedures for diagnosing and replacing the Double Clutch, including a Transmission Control Unit (TCU) software update.


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TSB/Document ID: 21-AT-013H

Replacement Service Bulletin Number:

MFR Communication Date: 2021-08-19

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

NUMBER

AUTOMATIC
TRANSMISSION
DATE

21-AT-013H
MODEL(S)

Technical Service Bulletin
August, 2020

ELANTRA SPORT
(AD) 1.6T
VELOSTER (FS) 1.6T
ELANTRA (ADa) 1.4T

DUAL CLUTCH TRANSMISSION CLUTCH REPLACEMENT
AND TCU SOFTWARE UPDATE

SUBJECT:

This TSB supersedes 20-AT-021H to update model information, removing Tucson and Sonata.
Description: Certain vehicles (listed below) equipped with 7-speed Dual Clutch Transmission (DCT) may
exhibit abnormal vibration at low speeds. This bulletin outlines the procedures for diagnosing and
replacing the Double Clutch, including a Transmission Control Unit (TCU) software update.
Applicable Vehicles: 2017-2018 Elantra Sport (AD) 1.6L Turbo
2016-2017 Veloster (FS) 1.6L Turbo
2017-2018 Elantra (ADa) 1.4L Turbo
Parts Information:
MODEL
Elantra (ADa) 1.4L Turbo
Elantra Sport (AD) 1.6L Turbo
Veloster (FS) 1.6L Turbo

DTC PART
Double Clutch
Snap Ring
Double Clutch
Snap Ring

PNC
41200C
44167G
41200C
44167G

PART NUMBER
41200-2C220
41068-2D000
41200-2D220
41068-2D000

Warranty Information:
MODEL

OP CODE

OPERATION

41200F08

GDS Judder
Inspection Only

Elantra Sport (AD) 1.6T
Veloster (FS) 1.6T

OP TIME

CAUSAL
PART

NATURE
CODE

CAUSE
CODE

V81

ZZ3

41200-2D101
0.3 M/H

Elantra (ADa) 1.4T

41200-2C101

Elantra Sport (AD) 1.6T

41200F10

Veloster (FS) 1.6T

41200F12

Elantra (ADa) 1.4T

41200F14

Clutch Judder
Inspection,
Replacement of
Double Clutch,
and TCU Upgrade

3.9 M/H

41200-2D101

V81

ZZ3

4.4 M/H

41200-2D101

V81

ZZ3

3.9 M/H

41200-2C101

V81

ZZ3

Note: Normal Warranty Applies

Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair

DUAL CLUTCH REPLACEMENT AND TCU SOFTWARE UPDATE

SUBJECT:

Special Service Tool
SPECIAL SERVICE TOOL

PART NUMBER

DESCRIPTION

Double Clutch Remover

09430-C1180

Used to remove the double
clutch f rom the transmission

Double Clutch Installer

09430-2A240

Used to install the double
clutch into the transmission

Actuator Fixing Jig & Motor
Shaft Reset Tool

09430-C1302

Used to measure and reset
the double clutch actuator

Clutch Abrasion Compensation

09430-C1300

Clutch actuator adjustment
tool

PHOTO

(If additional SST is needed, replacement parts can be ordered from BoscheBay logo at (866) 539-4248.)

GDS Information: System Selection: TCU
Event #
Model

Description

464

AD

1.6T 7DCT CONTROL LOGIC IMPROVEMENT(F850 clutch material only)

465

ADa

1.4T 7DCT CONTROL LOGIC IMPROVEMENT(F850 clutch material only)

466

FS

1.6T 7DCT CONTROL LOGIC IMPROVEMENT(F850 clutch material only)

TCU Manual Mode Password Information Table:
Menu

Vehicle Type

Password

AD 1.6T-GDI (7-DCT) TCU 95440-2DCE0

ALL 1.6T

4120

ADa 1.4T-GDI (7-DCT) TCU 95440-2CCA0

ALL 1.4T

4121

FS 1.6T-GDI (7-DCT) TCU 95440-2D400

ALL 1.6T

2400

TSB #: 21-AT-013H

Page 2 of 13
SUBJECT:

DUAL CLUTCH REPLACEMENT AND TCU SOFTWARE UPDATE

SUBJECT:

ROM ID Information Table:
PART NUMBER
MODEL

ROM ID

SYSTEM
OLD

NEW

OLD

NEW

Elantra Sport (AD)

TCM

95440-2DCE0

95440-2DCE1

DADOT16NS0
DADOT16NS1
DADOT16NS2

DADOT16NS4

Elantra (ADa)

TCM

95440-2CCA0

95440-2CCA1

DADOT14NS0
DADOT14NS1
DADOT14NS2

DADOT14NS5

95440-2D401

DFSOT16NS0
DFSOT16NS1
DFSOT16NS2
DFSOT16NS3
DFSOT16NS4
DFSOT16NS5
DFSOT16NS6
DFSOT16NS7
DFSOT16NS8
DFSOT16NS9
DFSOT16NSA
DFSOT16NSB

DFS0T16NSC

Veloster (FS)

TCM

95440-2D400

Updated F850 clutch material identification:
MODEL

PREVIOUS CLUTCH PART
NUMBER (F833DS)

NEW CLUTCH PART NUMBER
(F850)

2017~2018 Elantra Sport (AD) 1.6T
2016-2017 Veloster (FS) 1.6T

41200-2D101

41200-2D220

2016-2018 Elantra (ADa) 1.4T

41200-2C101

41200-2C220

TSB #: 21-AT-013H

Page 3 of 13
SUBJECT:

SUBJECT:

DUAL CLUTCH REPLACEMENT AND TCU SOFTWARE UPDATE

A. GDS Clutch Judder Inspection
1.

Using the GDS-M, enter the vehicle
information, select S/W Management, and then
select DCT Clutch Judder Measurement.

2.

Follow the information specified in Enable
Condition, and select OK.

3.

Follow the instructions on the Test Preparation
screen to prepare the vehicle for DCT Judder
Measurement.
Remove the passenger side floor mat, and
place the GDS-M flat and straight on the
passenger floor.
Select OK.

TSB #: 21-AT-013H

Page 4 of 13

12


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