GROUP

NUMBER

Campaign
DATE

Technical Service Bulletin
SUBJECT:

20-01-047H
MODEL(S)

December, 2020

Elantra (AD/ADa)

TCU UPDATE AND IVT REPLACEMENT
(SERVICE CAMPAIGN 963)

 IMPORTANT

*** Dealer Stock and Retail Vehicles ***
Dealers must perform this Service Campaign on all affected vehicles prior to customer retail
delivery and 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: Certain 20MY Elantra (AD/ADa) vehicles may experience an illuminated check engine
warning light due to Diagnostic Trouble Codes (DTC) listed below. Perform the Transmission Control
Unit (TCU) update, and, if necessary, replace the IVT (Intelligent Variable Transmission) to resolve this
condition.


TCU DTC Codes: P0730, P0731, P0741, P0867, P1603

Applicable Vehicles: Certain 20MY Elantra (AD/ADa) AD VINs begin with “KMH”
ADa VINs begin with “5NP”
Parts Information:
MODEL
Elantra (AD)
Elantra (ADa)
PART NAME

Campaign Sticker

Vehicle Emission
Recall - Proof of
Correction Card

PART NAME
IVT

PART NUMBER

00305-SC963

NP050-09006

BEFORE

AFTER

48000-2H304

48000-2H304RM

48000-2H301

48000-2H301RM

QTY.

FIGURE

REMARKS

1

Apply to all
vehicles
regardless of
state.

1

Order only for
States: CA, CT,
DE, MA, MD, ME,
NJ, NY, OR, PA,
RI, VT, WA

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

SUBJECT:

TCU UPDATE AND IVT REPLACEMENT (SERVICE CAMPAIGN 963)

NOTICE
Performing Section C – IVT, TCU Pressure Learning (Manual transmission relearn) and
verification is a critical step. After updating the IVT TCU software, it is important to complete the
pressure learning and verification (park position learning value) procedure in order ensure the IVT
has not been damaged.
GDS Information:
System Selection: TRANSMISSION CONTROL UNIT (TCU)
Event #
Description
601
601.AD(A) PE 2.0MPI - TCU ROM UPDATE
(*or use a later available event as listed in the GDS TCU Update screen if one is available.)
Warranty Information:
MODEL

Elantra
(AD/ADa)

OP CODE

OPERATION

OP
TIME

CAUSAL
PART

NATURE
CODE

CAUSE
CODE

01D031R1

Check TCU DTC - Update TCU Transmission Relearn - DTC Check

0.4
M/H

480002H301RM

I3A

ZZ3

01D031R2

Check TCU DTC – IVT Replacement
– Update TCU – Transmission Relearn

3.4
M/H

480002H301RM

I3A

ZZ3

01D031R3

Check TCU DTC – Update TCU –
Transmission Relearn – IVT
Replacement – Transmission Relearn

3.5
M/H

480002H301RM

I3A

ZZ3

Note 1: Submit Claim on Campaign Claim Entry Screen.
Note 2: If a part is found in need of replacement while performing Service Campaign 963 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.
Note 3: If TCU is found to already be updated, please submit labor op code 01D031R1.

NOTICE
Read and familiarize with Section C – IVT, TCU Pressure Learning before starting TCU update
process. Take a picture of the IVT Pressure Compensation Code sticker located on top of the
transmission bell housing for reference when performing TCU learning.

TSB #: 20-01-047H

Page 2 of 9
SUBJECT:

SUBJECT:

TCU UPDATE AND IVT REPLACEMENT (SERVICE CAMPAIGN 963)

TCU Update Flow (AD/ADa with IVT)
1.

Refer to the flowchart below to update the procedure.

*

*

*

Op Code: 01D031R2
Op Code: XXXXXXXXXX

Op
Op Code:
Code: 01D031R1
XXXXXXXXXX

Op Code: 01D031R3

NOTICE
*Section C is required to complete the service procedure. The transmission may fail from not
performing IVT, TCU Pressure Learning, and is subject to warranty debit.

NOTICE
For vehicles registered in certain states, a VEHICLE EMISSION RECALL - PROOF OF
CORRECTION CARD must be filled out by the service manager, and given to the vehicle owner
upon completion of the campaign. A Campaign Sticker must also be filled out and placed on the
hood of the vehicle. Refer to pages 8-9 for more details.
For all vehicles, a Campaign Sticker must be filled out and placed on the hood of the vehicle.
Please see page 9.
TSB #: 20-01-047H

Page 3 of 9
SUBJECT:

SUBJECT:

TCU UPDATE AND IVT REPLACEMENT (SERVICE CAMPAIGN 963)

NOTICE
1. Use the GDS-M to check the TCU DTC.
2. If one of the DTC(s) P0730, P0731, P0741, P0867 applies (History, Current, or Pending), replace
the IVT.
3. Replace the IVT according to the applicable vehicle shop manual.
4. After IVT replacement, perform TCU update first, then perform the IVT resetting auto T/A values,
oil-pressure characteristics input, TCU adaptive values learning procedure.

!
1.
2.
3.
4.
5.
6.

CAUTION

Verify the vehicle battery has reasonable charge.
Turn off all lamps (Do not leave head lamp switch in auto mode.), and all accessories.
Perform update with the ignition switch in the ON position.
Do not disconnect any cables connected to the vehicle or scan tool during update.
Do not start the engine during update.
Do not turn off the ignition switch during update.

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

!

WARNING

GDS-M Vehicle Battery Low Voltage Warning:
When the vehicle battery is lower than 12 volts, the GDS-M will trigger a Low Battery Voltage
Warning. If this Warning occurs,
A. Connect the battery to a fully charged battery jump pack or GR8 charger using “Power Supply
Mode” to continue the software update.
OR
B. Select “BACK” to exit the SW update. Then, start the engine and idle with the headlights on for
20 minutes. Return to the SW update after charging the battery.

TSB #: 20-01-047H

Page 4 of 9
SUBJECT:

SUBJECT:

TCU UPDATE AND IVT REPLACEMENT (SERVICE CAMPAIGN 963)

Service Procedure:
A. Check DTC
1.
Scan the vehicle for any of the following DTC Codes:
P0730, P0731, P0741, P0867
B. Update TCU
1.
Perform GDS Mobile software update per TSB 15-GI-001.

NOTICE
Section C is required to complete the service procedure. The transmission may fail from
not performing IVT, TCU Pressure Learning, and is subject to warranty debit.
C. IVT, TCU Pressure Learning
1.

Perform IVT Resetting Auto T/A Values
and Oil-pressure Characteristics Input
procedures using the GDS-M.

NOTICE
IVT oil pressure characteristics label is
located on the IVT bell housing.

TSB #: 20-01-047H

Page 5 of 9
SUBJECT:

SUBJECT:

2.

TCU UPDATE AND IVT REPLACEMENT (SERVICE CAMPAIGN 963)

Perform the TCU adaptive values learning
procedure.

NOTICE
Learning condition Intelligent Variable
Transmission Fluid (IVTF)
temperature: 86 - 194°F (30 - 90°C)
Start the engine after checking the IVTF
temperature with the Ignition ON.
Engine RPM will rise to approximately
1000 rpm after starting the engine.
After 30-120 seconds, the learning is
completed when the engine RPM reaches
the normal IDLE level.
Use the GDS-M to verify the IVT P-Range
learning is complete, and check TCU for
DTC P1603 (EOL P-Range Pressure
Learning Failed).
(1) If IVT- P Range learning is not
complete, and P1603 is present,
replace the IVT (Refer to Section D.)

NOTICE

(2) If IVT-P Range is not complete, and
P1603 is not present, the learning
condition has not been met.
Re-perform Section C - IVT, TCU
Learning.

!

Learning completion can be confirmed by
using GDS-M to verify the IVT (“CVT”)
P-Range learning value is “ON”.
(“OFF” learning has not been completed)

CAUTION

Do not apply accelerator pedal and brakes, or operate shift levers during P range, learning.
(If operated during learning, re-engage after shutting off)
D. IVT Replacement
1.

If transmission replacement is needed,
follow the applicable shop manual section:

Shop
Manual
2.

IVT System

Repair
Procedures

IVT

If IVT replacement is performed, refer to
Section C for IVT, TCU Learning.
TSB #: 20-01-047H

Page 6 of 9
SUBJECT:

SUBJECT:

TCU UPDATE AND IVT REPLACEMENT (SERVICE CAMPAIGN 963)

TCU Update ROM information Tables
Use the applicable ROM information tables to determine if the vehicle is affected before attempting to
update the control unit software.
TCU
VEHICLE

ENGINE

PCU P/No.

2.0
ATK

39171-2EFG5
39173-2EFG5
39171-2EFH5
39173-2EFH5
39171-2EFJ5
39173-2EFJ5
39171-2EFK5
39173-2EFK5

AD PE

ADA PE

ROM ID
OLD

NEW

CAD0N20NL0
CAD0N20NL1
CAD0N20NL2
CAD0N20NL3

CAD0N20NL4

Manual Mode Password:
#601 TCU
Menu

Password

AD(A) PE 2.0MPI 39171/3-2EFG5/H5, 39171/3-2EFJ5/K5

TSB #: 20-01-047H

3255

Page 7 of 9
SUBJECT:

SUBJECT:

TCU UPDATE AND IVT REPLACEMENT (SERVICE CAMPAIGN 963)

For vehicles registered in California, Connecticut, Delaware, Maine, Maryland, Massachusetts,
New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington:
VEHICLE EMISSION RECALL - PROOF OF CORRECTION CARD
A Vehicle Emission Recall - Proof of Correction card must be filled out for all vehicles registered in
California, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon,
Pennsylvania, Rhode Island, Vermont and Washington. Residents of these states, who own an
affected vehicle, will be required to possess a Vehicle Emission Recall - Proof of Correction card as
evidence of voluntary service campaign completion, when they apply for vehicle registration renewal.
WHAT TO DO WITH THE CARD:
The Vehicle Emission Recall - Proof of Correction card must be completed by the Dealership’s
Service Manager using a permanent ink pen. A fine point pen is recommended. When filling in the
information, copy the information directly from the vehicle, not from the repair order. ALL
INFORMATION MUST BE PRINTED AND NEAT.
The copy of the card shown below indicates the areas to be filled in. Each area must be filled in.
The completely filled out Vehicle Emission Recall - Proof of Correction card should be given to
the owner of the vehicle upon completion of the Campaign.
1. Enter Vehicle’s
License Number

2. Enter “Hyundai”

3. Enter Model Year

4. Enter “ELANTRA”

5. Enter the
vehicle’s VIN
Number

6. Enter “963”

7. Enter
Dealership
Name

9. Enter
Date of
Repair

10. Service
Manager
Sign Here

TSB #: 20-01-047H

8. Enter Dealership’s Address.
NOTE: Enter the physical address, not
the mailing address (not a P.O. Box)

Page 8 of 9
SUBJECT:

SUBJECT:

TCU UPDATE AND IVT REPLACEMENT (SERVICE CAMPAIGN 963)

For All Vehicles:
Fill in the information on the 00305-SC963
Campaign Sticker and apply onto the hood in
the area below the Emission Label as shown.
Be sure to clean the mounting surface to
ensure proper label adhesion.
The campaign procedure is complete.

TSB #: 20-01-047H

Page 9 of 9
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