# Service bulletin 16\-140\-23

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: 10243392
- Published by NHTSA: 2023\-10\-03
- Manufacturer's number: 16\-140\-23
- Manufacturer's date: 2023\-09\-12
- NHTSA component: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM

## NHTSA's summary

This bulletin announces availability of new reprograming files for the Transmission Control Module \(TCM\) to address judder a sensation possibly accompanied by a vibration\-type sound when accelerating from slow speeds.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243392-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243392-9999.pdf)

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

## Components

Electrical system, Transmission and driveline, Automatic transmission, Transmission control module

## Vehicles listed

- 2019 to 2022 SUBARU ASCENT

## Recalls for the same vehicles and component

- [21V955000](/recalls/nhtsa/21V955000.md), 2021-12-09: POWER TRAIN:DRIVELINE:CHAIN/BELT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)
- [19V855000](/recalls/nhtsa/19V855000.md), 2019-12-02: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## Other bulletins for the same vehicles and component

- [16\-141\-23R](/bulletins/10240116.md), 2023-08-02, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. This bulletin announces availability of reprogramming files to optimize the Transmission Control Module \(TCM\). The new files were designed to address cases of DTC P0711 \(Transmission Fluid Temperature Sensor “A” Circuit Range/Performance\) being detected by the TCM during low ambient temperatures \(32° F\(0° C\)\).
- [16\-136\-22R](/bulletins/10238440.md), 2023-07-03, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; POWER TRAIN; ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CVT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration.
- [16\-140\-23](/bulletins/10235310.md), 2023-05-02, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces availability of new reprograming files for the Transmission Control Module \(TCM\) to address judder a sensation possibly accompanied by a vibration\-type sound when accelerating from slow speeds.
- [16\-132\-20R](/bulletins/10207174.md), 2022-02-04, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN:AUTOMATIC TRANSMISSION. This bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions.

JSON: [/v1/bulletins/10243392](/v1/bulletins/10243392)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2016-140-23&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10243392&vehicle=Service%20bulletin%2016-140-23)