# Service bulletin 16\-139\-22

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: 10216977
- Published by NHTSA: 2022\-08\-02
- Manufacturer's number: 16\-139\-22
- Manufacturer's date: 2022\-07\-08
- NHTSA component: EQUIPMENT; POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

The WRK\-21 recall includes TCM reprogramming to prevent CVT chain slip. If, during the recall inspection, a vehicle is confirmed to have already experienced severe enough CVT chain slip, the CVT assembly will be replaced.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10216977-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10216977-9999.pdf)

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

## Components

Electrical system, Equipment and accessories, Transmission and driveline, Software

## Vehicles listed

- 2019 to 2022 SUBARU ASCENT
- 2020 SUBARU LEGACY
- 2020 SUBARU OUTBACK

## Other bulletins for the same vehicles and component

- [15\-236\-18R](/bulletins/10238443.md), 2023-07-03, Service bulletin: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\); ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed.
- [15\-246\-19R](/bulletins/10207171.md), 2022-02-04, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. This bulletin outlines a new required procedure to follow when performing immobilizer\-related repairs on the 2020\-22 Legacy and Outback.
- [Subaru Starlink](/bulletins/10180739.md), 2020-10-05, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Update your STARLINK Multimedia Software and Navigation Maps.
- [Subarunet Announ](/bulletins/10179411.md), 2020-09-04, Service bulletin: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE. Concern with latest 2020 MY Legacy / Outback Gen 4 CP1 FOTA Software Update.
- [11\-200\-20R](/bulletins/10175989.md), 2020-06-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module \(ECM\) for hard starting in sub\-freezing temperatures, DTC P0400, and surging in high altitudes.
- [GEN 3\-1](/bulletins/10160507.md), 2019-05-28, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Immediately discontinue the use of latest 2019 MY Gen 3.1 Harman Software update.
- [15\-236\-18R](/bulletins/10160501.md), 2019-05-28, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed above. The procedure will involve either downloading the software update files from Subarunet \(or using those sent directly from Nuspire\) and transferring them onto a flash drive for head unit installation. It is VERY IMPORTANT to read and understand this information completely to understand all changes from prior releases before proceeding.
- [15\-220\-18R](/bulletins/10150927.md), 2018-12-10, Service bulletin: EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides troubleshooting steps to use when diagnosing concerns of the Apple CarPlay and/or Android Auto feature not connecting or launching properly when a compatible device is connected to the head unit.

JSON: [/v1/bulletins/10216977](/v1/bulletins/10216977)

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