# Service bulletin 15\-236\-18R

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: 10169851
- Published by NHTSA: 2020\-01\-07
- Manufacturer's number: 15\-236\-18R
- Manufacturer's date: 2019\-12\-30
- NHTSA component: EQUIPMENT

## NHTSA's summary

Reprograming file availability for optimization of Harman Gen 3.1 Audio and Navigation Head Units.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169851-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169851-9999.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- 2019 to 2020 SUBARU ASCENT
- 2019 to 2020 SUBARU BRZ
- 2019 to 2020 SUBARU CROSSTREK
- 2019 to 2020 SUBARU FORESTER
- 2019 to 2020 SUBARU IMPREZA
- 2019 SUBARU LEGACY
- 2019 SUBARU OUTBACK
- 2019 to 2020 SUBARU WRX

## Recalls for the same vehicles and component

- [26V436000](/recalls/nhtsa/26V436000.md), 2026-07-07: EQUIPMENT:OTHER:LABELS

## Other bulletins for the same vehicles and component

- [03\-91\-23R](/bulletins/10253993.md), 2024-05-02, Service bulletin: EQUIPMENT; POWER TRAIN. This bulletin announces the design change made to the front drive axle shaft assemblies to address cases of a clicking/cracking\-type sound heard when driving with the steering wheel in the fully locked \(left or right\) position.
- [FAQ 15\-318\-24R](/bulletins/10253981.md), 2024-05-02, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. T16 VoLTE Warranty Extension \(15\-318\-24R\) Frequently Asked Questions.
- [15\-318\-24R](/bulletins/10253955.md), 2024-05-02, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces the availability of the DCM Bypass Box designed to be used as an alternative replacement part for Data Communication Module \(DCM\) in vehicles with no active STARLINK subscription. There will be a warranty extension for the DCM up to 8 years \(96 months\) or 150,000 miles.
- [09\-119\-24](/bulletins/10253930.md), 2024-05-02, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces the extended warranty coverage for the Thermo Control valve \(TCV\) used the the models listed. The coverage will be extended to \(15\) fifteen years / 150,000 miles.
- [09\-80\-21R](/bulletins/10253903.md), 2024-05-02, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING. This bulletin announces availability of a new thermo control valve assembly. The new valve contains an enhanced stainless steel internal shaft for optimized durability along with advanced water proofing for the sensor portion.
- [07\-218\-23R](/bulletins/10252545.md), 2024-04-03, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. To satisfy current supply demands, a new Subaru alternative replacement battery is now available.
- [15\-256\-19R](/bulletins/10252542.md), 2024-04-03, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information on a new reprogramming procedure \(FOTA\) to optimize the Harman Gen 3.1 Audio and Navigation head units \(H/U\) utilized in the models as listed.
- [15\-236\-18R](/bulletins/10252541.md), 2024-04-03, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. This bulletin addresses the 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.
- [12\-321\-21R](/bulletins/10252539.md), 2024-04-03, Service bulletin: EQUIPMENT; STEERING. This bulletin announces the design change made to the cowl panel. The change was made to address a small number of cases where the rubber sealing portion becomes separated.
- [7\-219\-23R](/bulletins/10252536.md), 2024-04-03, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; ELECTRICAL SYSTEM. To satisfy current supply demands, a new Subaru alternative replacement battery is now available.

JSON: [/v1/bulletins/10169851](/v1/bulletins/10169851)

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