# Service bulletin 19\-AT\-012HG

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: 10163280
- Published by NHTSA: 2019\-07\-29
- Manufacturer's number: 19\-AT\-012HG
- Manufacturer's date: 2019\-06\-04
- NHTSA component: POWER TRAIN

## 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-10163280-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10163280-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2017 to 2018 GENESIS G80
- 2017 to 2018 GENESIS G90

## Other bulletins for the same vehicles and component

- [24\-DS\-001G\-1 TSB](/bulletins/11009768.md), 2024-11-05, Service bulletin: POWER TRAIN. Certain GV70 \(JK1, JK1A\), GV80 \(JX1\) and G80 \(RG3\) vehicles may have a hum or whine noise condition from the rear differential at certain speeds. This bulletin describes the procedure to inspect the vehicle for the hum or whine noise and if necessary to tighten the rear differential lock nut first. If the hum or whine noise remains, then replace the rear differential or other driveline components as necessary.
- [24\-AT\-002H](/bulletins/10253275.md), 2024-04-16, Service bulletin: POWER TRAIN. This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with Incorrect Ratio DTC \(transmission clutch slip in gear above limit\) listed on Page 2.
- [21\-AT\-010HG](/bulletins/10253037.md), 2024-04-11, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This TSB provides a procedure to replace the solenoids listed below for slipping, shift flare and/or harsh shift during the 2\~3, 3\~4 or 4\~5 upshift.
- [19\-AT\-023HG](/bulletins/10253027.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.
- [21\-AT\-016HG](/bulletins/10202185.md), 2021-10-08, Service bulletin: PARKING BRAKE; POWER TRAIN. 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.
- [21\-AT\-010HG\-1](/bulletins/10202184.md), 2021-10-08, Service bulletin: POWER TRAIN. This Service Bulletin provides a procedure to replace the solenoids listed below for harsh shift and/or shift flare during the 2\~3, 3\~4 or 4\~5 upshift.
- [21\-AT\-010HG](/bulletins/10199103.md), 2021-07-09, Service bulletin: POWER TRAIN. Drive the vehicle with the ATF at normal operating temperature \(158\~212°F\) \(70\~100°C\). If the vehicle has a shift flare and/or harsh 2\~3, 3\~4 or 4\~5 upshift, follow the procedure below. Dealers must check the vehicle tag on the driver’s door pillar to determine the production date.
- [21\-01\-014HG](/bulletins/10190040.md), 2021-04-07, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; POWER TRAIN; EQUIPMENT. This TSB describes the procedure to update the TCU to revise the diagnosis logic for OBD communication test.
- [20\-DS\-002HG](/bulletins/10180991.md), 2020-10-08, Service bulletin: POWER TRAIN; EQUIPMENT. The bulletin describes the procedure to measure and set propeller shaft angles to optimize driveline vibration performance on certain 2017\-2018MY 3.8L AWD G80 \(DH\) vehicles.
- [20\-AT\-016HG](/bulletins/10176181.md), 2020-06-06, Service bulletin: POWER TRAIN. The automatic transmission warranty repair policy authorizes in\-dealership repairs of the following components for both OEM \(new\) and remanufactured automatic transmissions:

JSON: [/v1/bulletins/10163280](/v1/bulletins/10163280)

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