NHTSA ID Number: 10237182
Manufacturer Communication Number: 23-AT-004H
TSB/Document Date: 2023-06-02
Summary
This TSB applies only if Recall 236 or Service Campaign T8N has been performed and the 8 speed wet dual clutch transmission (8WDCT) replacement is necessary related due to high pressure electric oil pump (HP EOP) DTCâs P1C2D03 (HP EOP Motor Position Sensor), P193B79 - HP EOP Performance, P0868 - Transmission Fluid Pressure (TFP) Sensor â Low. Replace the 8WDCT under this bulletin.
GROUP
NUMBER
AUTOMATIC
TRANSMISSION
DATE
Technical Service Bulletin
SUBJECT:
23-AT-004H
MODEL(S)
MAY 2023
SANTA FE (TMa)
SONATA (DN8a)
SANTA CRUZ (NXT)
8-SPEED WET DCT REPLACEMENT DUE TO HP EOP
Description: This TSB applies only if Recall 236 or Service Campaign T8N has been performed and the
8 speed wet dual clutch transmission (8WDCT) replacement is necessary related due to high pressure
electric oil pump (HP EOP) DTC’s P1C2D03 (HP EOP Motor Position Sensor), P193B79 - HP EOP
Performance, P0868 - Transmission Fluid Pressure (TFP) Sensor – Low. Replace the 8WDCT under this
bulletin.
STUI
This TSB includes STUI picture(s) as a requirement. Where indicated, please include the last 6
digits of the VIN and date of repair on a piece of paper. Ensure the VIN and date of repair are clearly
visible. Finally, please ensure the captured pictures are completed according to the steps in this TSB
and uploaded to STUI. All claims submitted that have illegible, incomplete, missing, or
incorrect picture(s) are subject to debit.
Applicable Vehicles:
Certain 2021-22MY Santa Fe (TMa) equipped with 2.5T engine produced 11/20/2020 - 07/11/2022
(VINs starting with "5NM")
Certain 2021-22MY Sonata (DN8a) equipped with 2.5T engine & N-Line trim produced 11/24/2020 02/12/2022 (VINs starting with "5NP")
Certain 2022MY Santa Cruz (NXT) equipped with 2.5T engine produced 06/22/2021 - 06/13/2022
Parts Information:
MODEL
PART NAME
BEFORE
AFTER
2WD TRANSMISSION ASSYDCT(WITHOUT TCU)
43000-2N036
43000-2N036QQH /
43000-2N036RM
4WD TRANSMISSION ASSYDCT(WITHOUT TCU)
43000-2N037
43000-2N037QQH /
43000-2N037RM
Sonata
(DN8a) with
N Line Trim
TRANSMISSION ASSYDCT(WITHOUT TCU)
43000-2N052
43000-2N052QQH /
43000-2N052RM
Santa Cruz
(NXT)
4WD TRANSMISSION ASSYDCT(WITHOUT TCU)
43000-2N029
43000-2N029QQH /
43000-2N029RM
DCT Control Oil
N/A
00232-19101
Santa Fe
(TMa)
ALL
NOTE
3qts.
DCT Gear Oil
N/A
00232-19100
4qts.
*Transmissions ending in ‘RM’ do not come with fluid.
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair
8-SPEED WET DCT REPLACEMENT DUE TO HP EOP
SUBJECT:
Information
Please follow standard HMA Warranty Policy when ordering transmissions. If vehicle is over 500
miles, please use Reman (RM). If Reman is not available, please use QQH.
Warranty Information:
MODEL
OP CODE
OPERATION
OP TIME
CAUSAL
PART
30DA01R0
DTC P1C2D03 8DCT
Replacement – 2WD (QQH)
3.8 M/H
430002N036QQH
30DA01RK
DTC P1C2D03 8DCT
Replacement – 4WD (QQH
4.1 M/H
430002N036QQH
30DA01R1
DTC P1C2D03 8DCT
Replacement – 2WD (RM)
3.8 M/H
430002N036RM
30DA01RJ
DTC P1C2D03 8DCT
Replacement – 4WD (RM)
4.1 M/H
430002N036RM
30DA01R2
DTC P0868 8DCT Replacement
– 2WD (QQH)
3.8 M/H
430002N036QQH
30DA01RL
DTC P0868 8DCT Replacement
– 4WD (QQH)
4.1 M/H
430002N036QQH
3.8 M/H
430002N036RM
DTC P0868 8DCT Replacement
– 4WD (RM)
4.1 M/H
430002N036RM
DTC P193B79 8DCT
Replacement – 2WD (QQH)
3.8 M/H
430002N036QQH
DTC P193B79 8DCT
Replacement –4WD (QQH)
4.1 M/H
430002N036QQH
30DA01R5
DTC P193B79 8DCT
Replacement – 2WD (RM)
3.8 M/H
430002N036RM
30DA01RP
DTC P193B79 8DCT
Replacement –4WD (RM)
4.1 M/H
430002N036RM
Santa Fe
(TMa) 30DA01R3 DTC P0868 8DCT Replacement
– 2WD (RM)
30DA01RM
30DA01R4
30DA01RN
TSB #: 23-AT-004H
NATURE
CODE
CAUSE
CODE
I3T
ZZ3
Page 2 of 4
SUBJECT:
SUBJECT:
8-SPEED WET DCT REPLACEMENT DUE TO HP EOP
30DA01R6
DTC P1C2D03 8DCT
Replacement – 2WD (QQH)
430002N052QQH
30DA01R7
DTC P1C2D03 8DCT
Replacement – 2WD (RM)
430002N052RM
Sonata 30DA01R8 DTC P0868 8DCT Replacement
– 2WD (QQH)
(DN8a)
with N- 30DA01R9 DTC P0868 8DCT Replacement
Line Trim
– 2WD (RM)
Santa
Cruz
(NXT)
3.4 M/H
430002N052QQH
30DA01RA
DTC P193B79 8DCT
Replacement – 2WD (QQH)
430002N052QQH
30DA01RB
DTC P193B79 8DCT
Replacement – 2WD (RM)
430002N052RM
30DA01RD
DTC P1C2D03 8DCT
Replacement – 4WD (QQH)
430002N029QQH
30DA01RE
DTC P1C2D03 8DCT
Replacement – 4WD (RM)
430002N029RM
30DA01RF DTC P0868 8DCT Replacement
– 4WD (QQH)
30DA01RG DTC P0868 8DCT Replacement
– 4WD (RM)
4.1 M/H
I3T
ZZ3
I3T
ZZ3
430002N052RM
430002N029QQH
430002N029RM
30DA01RH
DTC P193B79 8DCT
Replacement – 4WD (QQH)
430002N029QQH
30DA01RQ
DTC P193B79 8DCT
Replacement – 4WD (RM)
430002N029RM
NOTE 1: Submit Claim on Campaign Claim Entry Screen.
NOTE 2: If a part that is not covered by this TSB is found in need of replacement while performing the
TSB 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: OP Time includes taking STUI photo and uploading. The STUI photo must include the new
transmission installed with a piece of paper displaying the last 6 digits of the VIN and the date of repair.
If not included, claim will be subject to debit.
NOTE 4: The incident parts are subject to callback through the normal Warranty Technical Center
(WTC) parts return process. Claim is subject to debit if the part is not returned.
NOTE 5: Labor operations with a Reman (RM) transmission will reimburse 3 quarts of DCT control oil
and 4 quarts of DCT gear oil.
Information
A Prior Approval (PA) request is required for transmission replacement.
TSB #: 23-AT-004H
Page 3 of 4
SUBJECT:
8-SPEED WET DCT REPLACEMENT DUE TO HP EOP
SUBJECT:
Service Procedure:
1. Refer to the flowchart below for overall procedure.
STUI
Vehicle in
(w/MIL ON)
Confirm Campaign T8N and/or Recall 236
has been completed on this vehicle.
Using STUI, take a picture of the serial
number of the new DCT assembly prior
to replacement. Include a piece of paper
with the last six digits of the VIN and date
of repair in the photo. Ensure the picture
is in focus. Upload the photo to STUI.
Replace 8DCT using the Service Manual.
Transfer original TCU to replacement 8WDCT.
Perform Air Bleed
Procedure
Serial Number
located on top
of DCT
assembly
Perform Transmission
initialization procedure.
Perform DCT Learning
procedure.
Perform the touchpoint curve
learning procedure.
Vehicle Out
TSB #: 23-AT-004H
Page 4 of 4
SUBJECT:
- 6X better wear protection on critical engine parts than...
- 1.3X better sludge protection than industry standards*
- 3X Stronger against viscosity breakdown than leading full...
- Protection for 10,000 miles between oil changes
- Meets or exceeds the following specifications: API SP/SN...
- Formulated for engines with 75,000 miles or more, Valvoline...
- Delivers 20% better wear protection and 15% better sludge...
- Extra detergents safeguard against friction, corrosion and...
- Advanced friction-fighting additives help maximize...
- Provides performance benefits for high mileage, new and...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
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TSB/Document ID: 23-AT-004H
Replacement Service Bulletin Number:
MFR Communication Date: 2023-05-09
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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