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NHTSA ID Number: 10176181

Manufacturer Communication Number: 20-AT-016HG

TSB/Document Date: 2020-06-06


Summary

The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:


GROUP
AUTOMATIC
TRANSAXLE
DATE

Technical Service Bulletin
SUBJECT:

MAY 2020

NUMBER
20-AT-016HG
MODEL(S)
2017~18 G80
2017~18 G90

AUTOMATIC TRANSMISSION (ATM) POLICY

Description: The automatic transmission warranty repair policy authorizes in-dealership repairs of the
following components for both OEM (new) and remanufactured automatic transmissions:

NOTICE
Replace the components listed on Page 2 according to the related shop manual or TSB.
DO NOT REPLACE THE TRANSMISSION.

NOTICE

All transmission replacements require an approved PA prior to beginning the work.
Second and subsequent ATM replacements on the same VIN require Techline
review and Case Number prior to repair in addition to the PA Request.

APPLICABLE VEHICLES:
2017~18 G80
2017~18 G90
PARTS INFORMATION: Refer to Parts Catalog
WARRANTY INFORMATION: Normal Warranty applies

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

AUTOMATIC TRANSMISSION (ATM) POLICY

SUBJECT:

SERVICE PROCEDURE:
8-SPEED REAR-WHEEL DRIVE:
2017~18 G80
2017~18 G90

Transmission
Replace

PNC

TSB or
Shop Manual

New

Reman

Solenoids

X

X

46202A, 46313*

TSB 19-AT-002HG

Oil temperature sensor

X

X

46305C

TSB 19-AT-001HG

Input/output speed sensor

X

X

46305C

TSB 19-AT-001HG

Parking switch

X

X

42700E

TSB 19-AT-002HG, Step 27

Axle seals, rear oil seal

X

X

Multiple

Parts catalog

TRAINING:
The ATM Diagnosis and Certification Course (#SVCAT28) provides detailed instructions on how to
properly diagnose and when to repair or replace an ATM. PA approval is necessary when installing
remanufactured transmissions.
SPECIAL SERVICE TOOLS:

Transmission Cooler Flush (Aerosol), P/N 00232-19021
GDS Mobile - GenesiseBay logo: #G0XPNMN001

SERVICE PROCEDURE:
1. The Service Advisor opens a Repair Order (R.O.) documenting the customer’s detailed
comments. A road test by a technician or Service Advisor may be necessary to verify the
customer’s description.

TSB #: 20-AT-016HG

Page 2 of 6
SUBJECT:

AUTOMATIC TRANSMISSION (ATM) POLICY

SUBJECT:

2.

The technician follows the Diagnostic Flow
Chart to make a diagnosis and then carefully
completes the Core Return Checklist and
Diagnosis Worksheet.
The ATM Core Return Checklist is included with
the remanufactured transmission and also
available online from genesisdealerusa.com:
From the main page, hover your mouse on:
 RESOURCES
 Select Documents Library
 Select Service
 Select Reman ATM Core Return Checklist
and Diagnosis
 Click on the document to open.
The form can be completed online or printed
and completed with a pen. The form should be
returned with remanufactured and new ATM.
The technician follows the Diagnostic Flow
Chart to assist in the diagnosis of the ATM and
to make a repair/replace decision.

The technician enters the appropriate Condition
Code from the list on the back of the worksheet.

NOTICE

Diagnostic trouble codes must be recorded on the ATM Core Return Worksheet
whenever the GDS is used.
The form should be returned with remanufactured and new ATM.

TSB #: 20-AT-016HG

Page 3 of 6
SUBJECT:

AUTOMATIC TRANSMISSION (ATM) POLICY

SUBJECT:

3. If it is determined that a remanufactured unit must be ordered and installed, the technician must:
 Obtain a PA Request online from WEBDCS before ordering a transmission.
 Call Techline for case review for 2nd reman on the same VIN.
4. The technician must send one copy of the ATM Core Return Checklist and the R.O. to the dealer
Parts Department.
5. The Parts Department will order a remanufactured ATM from the facing PDC and retain the R.O.
and ATM Core Return Checklist, filed by R.O. number.
6. The Parts Department will receive a remanufactured ATM, shipped prepaid in a reusable box, and
provide the ATM to the technician.

NOTICE
Retain the reusable box and use to return the removed ATM and torque converter
to the remanufacturing center.
7. A complete package of forms is included with each remanufactured ATM, including the ATM Core
Return Checklist The parts department and technician must complete all required fields on the
form. Failure to do so may result in a debit.
8. Drain all ATF from the transmission and remove the transmission.
9. Flush the transmission oil cooler and hoses
using Transmission Cooler Flush (P/N 0023219021).
Repeat the procedure for the other hose.

NOTICE
The ATM oil cooler and hoses must be flushed prior to installation of the ATM for all
vehicles with an oil cooler in the radiator or ATF warmer/cooler on the transmission.
If a thorough flushing is not performed, the remanufactured ATM can be
contaminated by debris left in the cooler and hoses, resulting in shop comebacks
and possible claim chargeback.

TSB #: 20-AT-016HG

Page 4 of 6
SUBJECT:

AUTOMATIC TRANSMISSION (ATM) POLICY

SUBJECT:

10. Rotate the torque converter in both directions
and push inward to confirm the torque converter
is fully installed in the transmission.

11. Install the remanufactured ATM according to the appropriate shop manual.
12. Transfer the transmission pressure data according to 19-AT-007HG.
13. Confirm the ATF level is at the specified level according to the procedure in the shop manual or
related TSB.
14. Use GDS to reset and relearn the A/T adaptive values according to the appropriate shop manual.
15. Secure the torque converter to the removed ATM using the torque converter retaining strap and
bolts removed from the remanufactured ATM.
16. Place the removed ATM into the shipping container provided with the remanufactured ATM.
Install all plugs removed from the remanufactured ATM onto the removed ATM before packaging
to prevent residual fluid from leaking.
17. Ensure the form is completely filled out. Place one copy of the ATM Core Return Checklist and a
copy of the Repair Order in the plastic bag provided with the remanufactured ATM, close the
envelope securely and use a tie-wrap to attach the plastic bag to the top of the core. Secure the
lid with the retaining straps.
18. Ship the removed ATM to the remanufacturing center.

NOTICE
Freight charges are prepaid by HMA for returning the removed ATM to the
remanufacturing center, when the request is submitted through “RETURN CORES”
on DCS online (see Parts Bulletin 1307 “Reman Core Return Program Reminder”)
and the ATM is shipped via YRC, HMA’s approved carriereBay logo. DO NOT SUBMIT A
WARRANTY CLAIM FOR THESE CHARGES.

TSB #: 20-AT-016HG

Page 5 of 6
SUBJECT:

AUTOMATIC TRANSMISSION (ATM) POLICY

SUBJECT:

19. Retain one copy with the dealership Parts Department, filed by the repair order number.
Retain one copy of the R.O. in the dealership service files.

NOTICE
A $50.00 reduction of the core credit and/or chargeback of your warranty claim may
be made for:
 Failure to properly complete and/or return the ATM Core Return Checklist.
The forms should be returned with the remanufactured or new ATM core.

20. The dealer is reimbursed for the core ATM.

NOTICE
If an incorrect transmission has been ordered and not installed, you may return it to
the PDC through DCS using the new 45-day BC Return Program.
If an incorrect transmission has been installed, it must be returned to the
remanufacturer. Please write “ordered in error” or “damaged” in the space for the
old ATM serial number on the Core Return Checklist.

NOTICE
Dealer Parts Department accepts full responsibility for ensuring that transaxles sold
over the counter:
 Have an ATM Core Return Checklist that is completely and accurately filled
out.
 The ATM oil cooler is flushed to specification using Transmission Cooler
Flush (P/N 00232-19021).
 Genuine HyundaieBay logo/GenesiseBay logo transmission fluid is used to refill the ATM
according to the shop manual or TSB.

TSB #: 20-AT-016HG

Page 6 of 6
SUBJECT:

1

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TSB/Document ID: 20-AT-016HG

Replacement Service Bulletin Number:

MFR Communication Date: 2020-05-04

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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