ATTENTION:
GENERAL MANAGER

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PARTS MANAGER

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CLAIMS PERSONNEL

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IMPORTANT - All
Service Personnel
Should Read and
Initial in the boxes
provided, right.

SERVICE MANAGER

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© 2026 Subaru of America, Inc. All rights reserved.

SERVICE BULLETIN
APPLICABILITY:
SUBJECT:

2026MY Outback
Gen4 DCM FOTA Reprogramming

NUMBER:

15-339-26

DATE:

06/22/26

INTRODUCTION:
This bulletin provides instruction for use of a new reprogramming procedure to optimize the Gen4
DCM. Firmware-over the-air (FOTA) is a process where remote devices can receive updates to their
operating firmware. This process has become second nature with smartphones, tablets and many other
connected devices. FOTA for automotive infotainment systems was designed with an emphasis on
customer convenience. FOTA updates provide regular enhancements along with software patches as
needed to enhance the customer experience. The convenience factor comes not only with the supply
of regular updates and the enhancements they provide, but through customer control of when these
updates are downloaded and installed. The only requirement is a valid subscription to MYSubaru,
since the download of the software is performed via DCM.
NOTE: If a customer is simply requesting help with how to perform FOTA, provide a copy of the
appropriate customer instructions for FOTA available on Subarunet: Service Operations & Technical>
Forms/Downloads page.
SYMPTOMS ADDRESSED BY UPDATE:
This update also addresses intermittent RES system operation and doors that cannot unlock when the
door handle is touched after a RES.

CAUTION: VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD
RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS.
Subaru Service Bulletins are intended for use by professional technicians ONLY. They
are written to inform those technicians of conditions that may occur in some vehicles,
or to provide information that could assist in the proper servicing of the vehicle. Properly
trained technicians have the equipment, tools, safety instructions, and know-how to
do the job correctly and safely. If a condition is described, DO NOT assume that this
Service Bulletin applies to your vehicle, or that your vehicle will have that condition.

Subaru of America, Inc. is
ISO 14001 Compliant
ISO 14001 is the international standard for
excellence in Environmental Management
Systems. Please recycle or dispose of
automotive products in a manner that is friendly
to our environment and in accordance with all
local, state and federal laws and regulations.

Continued...
Bulletin Number: 15-339-26; Date: 06/22/26

Page 1 of 5

SERVICE PROCEDURE / INFORMATION:
REMINDER: Customer satisfaction and retention starts with performing quality repairs.
Note: The screen images in this Service Bulletin are for illustration purposes only. Actual screens
may vary.
Customer in-vehicle OTA Experience(For Information Only)
Step 1: Confirm the vehicle has an active MYSubaru account.
Step 2: Start the vehicle in a well-ventilated area.
Step 3A: A download notification pop-up appears automatically when the ignition switch is in the
ON position. Select “Download.”

Step 3B: If you aren’t prompted by a download notification select gear icon
(Settings)>Software>Other System Update.
Step 4: The download will start and display a download progress bar. Once the update is downloaded
it will automatically start to install.

Continued...
Bulletin Number: 15-339-26; Date: 06/22/26

Page 2 of 5

Step 5: Once the installation is complete, select “Close.”

Step 6: Turn off the ignition, follow prompts on screen, and select “Update.”

Step 7: Exit the vehicle and wait 5 minutes.
Caution: Failure to wait the full 5 minutes, or having the key within 10 feet, could result in the
update not being fully installed. If this occurs, power down the vehicle again, ensure the key fob
is 10 feet away from the vehicle, and wait the full 5 minutes.
Step 8: Enter the vehicle, turn the ignition on, and select “Close” on the Update successful screen.

Continued...
Bulletin Number: 15-339-26; Date: 06/22/26

Page 3 of 5

Manual software updates are available if the FOTA fails or the customer reports any of the
symptoms listed above. To perform the update follow the steps below:
Step 1: Using SSM5, check the software version. If the software version is
DCM_50.14.51_20260126, the DCM is already up to date and no reprogramming is necessary.
Step 2: Using a DCA-8000, input the battery information and set the charger to Power Supply Mode.
Step 3: Turn the ignition on, apply the parking brake, and shift the vehicle into Neutral.
Step 4: Reprogram the DCM following the normal SSM5-R procedure. Detailed information about
the SSM5-R reprogramming procedures can be found in TSB 14-28-21.
Step 5: When prompted to turn the ignition switch off, shift the vehicle into Park, turn the ignition
switch off, then wait 700 seconds before turning the ignition switch on.

Step 6: Confirm software number is DCM_50.14.51_20260 126.

Step 7: Confirm operation by having the customer attempt RES, and ensure the keyless access works
during RES.

Continued...
Bulletin Number: 15-339-26; Date: 06/22/26

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WARRANTY / CLAIM INFORMATION:
For customers exhibiting a symptom addressed by this bulletin and within the Basic New Car Limited
or covered by an active Subaru Added Security Gold plan, this repair may be submitted using the
following claim information:
Warranty
Type

Labor Description

Labor
Operation #

Labor Time

Fail Code

Skill Level

WC/SAS

TELEMATICS DCM
REPROGRAMMING

A067386

0.6h

ZQZ48

SG 6 / SL 2

The Skill Group and Skill Level listed in this bulletin define the qualifications recommended for
this work. Repairs should be dispatched to a technician who is trained at the specified level. For
more information on Labor Operation Skill Group/Level assignments, click here to access the Gear
Reduction. To request a Skill Group/Skill Level change, fill out this form.
IMPORTANT REMINDERS:
•

SOA strongly discourages the printing and/or local storage of service information as previously
released information and electronic publications may be updated at any time.

•

Always check for any open recalls or campaigns anytime a vehicle is in for servicing.

•

Always refer to STIS for the latest service information before performing any repairs.

Bulletin Number: 15-339-26; Date: 06/22/26

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