# Service bulletin 19\-AT\-012G

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10253025
- Published by NHTSA: 2024\-04\-11
- Manufacturer's number: 19\-AT\-012G
- Manufacturer's date: 2019\-06\-04
- NHTSA component: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's summary

This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC \(transaxle clutch slipping more than 200 rpm in gear\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10253025-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10253025-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Transmission and driveline, Automatic transmission

## Vehicles listed

- 2019 to 2024 GENESIS G70
- 2019 to 2024 GENESIS G80
- 2019 to 2024 GENESIS G90

## Other bulletins for the same vehicles and component

- [19\-AT\-014G](/bulletins/10253043.md), 2024-04-11, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This bulletin provides a procedure to diagnose an 8\-speed automatic transaxle with a harsh and/or delayed shift.
- [19\-AT\-007G](/bulletins/10253042.md), 2024-04-11, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION. This bulletin provides a procedure to transfer oil pressure data to the TCU using GDS Mobile. This procedure is necessary to reduce the TCU learning time and improve the shift quality. • Before replacing an automatic transmission: Input the data into the TCU using the GDS. • Before replacing a TCU: Back up the oil pressure data from the old TCU into the GDS and then transfer the data to the new TCM.
- [21\-AT\-012G](/bulletins/10253038.md), 2024-04-11, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This bulletin provides a procedure to transfer oil pressure data to the TCU using GDS Mobile. This procedure is necessary to reduce the TCU learning time and improve the shift quality. • Before replacing an automatic transmission \(Pages 2\~3\): Input the data from the new transmission into the TCU using the GDS. • Before replacing a TCU \(Pages 4\~6\): Back up the oil pressure data from the old TCU into the GDS and then transfer the data to the new TCM.
- [19\-AT\-023G](/bulletins/10253026.md), 2024-04-11, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. If you are servicing a vehicle with a transmission slipping concern, follow the Service Procedure shown below and perform a stall test. This TSB provides a procedure to test each clutch in the transmission. If the vehicle fails the stall test, replace the transmission. PASS: Stall speed is between 1700\~2900 rpm \(See shop manual for stall speed\). FAIL: Engine revs to redline limit \(6,000\~6,500 rpm\). If so, replace the transmission.
- [19\-AT\-008G](/bulletins/10253024.md), 2024-04-11, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION. When servicing a vehicle with a “Check Engine light” and any of the DTCs listed below, follow the Service Procedure to replace the related solenoid and E\-module or park position switch.

JSON: [/v1/bulletins/10253025](/v1/bulletins/10253025)

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