Service bulletin 15-305-22R

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Sep 3, 2026
Manufacturer: SUBARU
NHTSA ID: 11036803
NHTSA category: Service Bulletin/Repair Instructions
Applies to, as stated by NHTSA: SUBARU ASCENT 2023-2026; SUBARU CROSSTREK 2024-2026; SUBARU FORESTER 2025-2026; SUBARU IMPREZA 2024-2026; SUBARU LEGACY 2023-2025; SUBARU OUTBACK 2023-2025; SUBARU WRX 2024-2026
Component, as stated by NHTSA: ELECTRICAL SYSTEM

Text of the manufacturer communication

This bulletin announces a reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4.5 Denso CP1.5 Audio and Navigation head units utilized in the models listed. This is an revised version of the original bulletin.

Manufacturer document number: 15-305-22R
Date of the communication: 2026-08-20

View original source on NHTSA.gov

NHTSA reuses some ID numbers across record types. If its page lists more than one record, this one is the manufacturer communication dated Sep 3, 2026.

For the 2020 Subaru Outback

Premium

Ignored

Relevance of 26% is under one half, so the notice is ignored whatever the other figures say.

Vehicle relevance: 26%
Attention: 47%
Interrupt probability: 37%

Importance to this owner: 1.0 of 4, minor
Vehicle area the notice is about: Infotainment

This manufacturer communication does not appear to warrant attention for this vehicle.

Decided by jev-1.13.0 in 130 ms from 1,685 input tokens. Jev returns these figures and nothing else. It gives no reasons, and none are written for it here. The figures describe how relevant the notice is, not the condition of any vehicle.

Checked by code against NHTSA's fields

A plain comparison with the structured fields NHTSA filled in. Separate from Jev's decision.

YesNHTSA names this make
YesNHTSA names this model (listed as OUTBACK)
NoNHTSA lists model year 2020 for this model

The same notice, every vehicle

Relevance	Attention	Interrupt	State
26%	47%	37%	Ignored
2%	4%	5%	Ignored
2%	4%	5%	Ignored
2%	5%	5%	Ignored
2%	4%	5%	Ignored
2%	5%	5%	Ignored
2%	5%	5%	Ignored
2%	4%	5%	Ignored
2%	5%	5%	Ignored
1%	4%	5%	Ignored
1%	4%	4%	Ignored
1%	4%	5%	Ignored
1%	3%	5%	Ignored
1%	4%	5%	Ignored
1%	5%	5%	Ignored
1%	3%	4%	Ignored

Select a vehicle to see its attention and interrupt figures above.