NHTSA ID Number: 11010911
Manufacturer Communication Number: 15-305-22R
TSB/Document Date: 2024-12-02
Summary
The following information announces 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.
ATTENTION:
GENERAL MANAGER
q
PARTS MANAGER
q
CLAIMS PERSONNEL
q
IMPORTANT - All
Service Personnel
Should Read and
Initial in the boxes
provided, right.
SERVICE MANAGER
q
© 2022 Subaru
of America, Inc. All rights reserved.
SERVICE BULLETIN
APPLICABILITY:
23-25MY Outback/Legacy Models
(including Wilderness models)
23-24MY Ascent Models
24MY Impreza
24MY Crosstrek (including Wilderness models)
24MY WRX
25MY Forester
SUBJECT:
NUMBER: 15-305-22R
DATE:
11/15/22
REVISED:
11/07/24
Reprogramming File Availability for Optimization
of Gen 4.5 Denso CP1.5 Infotainment Systems
INTRODUCTION:
The following information announces 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 above. As in previous models, the procedure will involve either
downloading the software update files from Subarunet or using those sent directly from Nuspire
to the SDS Notebook and transferring them onto a USB flash drive for head unit installation. This
update offer countermeasure for the CarPlay concern with hands-free call, when receiving party is not
able to hear the caller as the microphone data is muted. Please see Appendix 9 (page 37) for more
details.
ATTENTION: For Impreza/Crosstrek 24MY and WRX 24MY and Legacy/Outback 25MY and
Forester 25MY it is required to use SSM5-R to access Software Update setting in Dealership
Mode Menu.
LEGACY/OUTBACK 23-24MY
ASCENT 23-24MY
IMPREZA/CROSSTREK 24MY
WRX 24MY
LEGACY/OUTBACK 25MY
FORESTER 25MY
REPROGRAMMING BY USB
APPLICABLE
NOT APPLICABLE
REPROGRAMMING BY SSM5-R AND USB
NOT APPLICABLE
APPLICABLE
It is VERY IMPORTANT to read and understand this information completely before proceeding.
CAUTION: VEHICLE SERVICE PERFORMED BY UNTRAINED PERSONAL COULD RESULT
IN THE EQUIPMENT DAMAGE OR EVEN SERIOUS INJURY.
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: 15-305-22R; Revised: 11/07/24
Page 1 of 77
CAUTION: In order to complete the update of CP1.5 to the latest version, verify that DCM has
already been updated to the latest version as per the instructions in TSB 15-315-23.
If CP1.5 is updated to the latest version while the DCM isn’t on its latest version, it may cause
infotainment system failure.
Note: The updates for CCU and DCM can be performed in any order, but it is necessary they are
both the latest versions before returning the vehicle to the customer or system damage will occur.
Note: follow TSB 15-315-23 for applicability information.
After this update is successfully completed the vehicle is capable of SiriusXM with 360L service.
SiriusXM (SXM) with 360L service is a combination of satellite radio and streaming services. It
uses both satellite and internet connection modem (DCM) to deliver 200+ channels, with some
channels delivered exclusively via modem (DCM).
Service Bulletin is intended for use by trained technicians ONLY. It informs technicians of
conditions, which may occur in some vehicles or provides information, which could assist with
proper servicing of the vehicle. Properly trained technicians have the equipment, tools, safety
instructions, and know-how to do the job correctly and safely.
A timeline chart along with a complete list of all the conditions addressed and enhancements included
in this and previous Denso software updates are provided in Appendix 8 (page 36) and Appendix 9
(page 37) located at the end of this bulletin.
IMPORTANT NOTE: The update contains 3 folders and 2 files. When performing an update, the
USB must contain the matching number of folders and files and all files must be replaced.
ALWAYS use the latest files together as a set.
NEVER reuse or combine files from a prior update with a newer version.
PART INFORMATION:
NOTE: High Level unit is equipped with Navigation option
(Map icon on Home screen)
11.6-Inch Display, Mid and High Level Units
Dual 7.0-Inch Display, Base Level Unit
Continued...
Bulletin Number: 15-305-22R; Revised: 11/07/24
Page 2 of 77
Materials Required:
•
•
•
SDS notebook
DSTi/DST10
Flash drive USB 2.0 or higher
An empty, USB 2.0 or 3.0 storage device (flash drive) will be needed to perform the update
procedure. The device should be dedicated to storing and transferring these updating files only. It
should be a minimum of 64GB or more in size and contain a NTFS file format before downloading
the update files onto it. Be sure to locate and re-format any existing USB drives used for updating
audio units. They must be fully cleared before adding these new update files to them.
IMPORTANT NOTES:
• NEVER change the update file names after downloading them.
• NEVER save any other files on the same flash drive.
Please follow Appendix 1 (page 8) "Flash Drive Selection" for selecting an applicable storage device
SERVICE PROCEDURE / INFORMATION:
REMINDER: Customer satisfaction and retention starts with performing quality repairs.
STEP 1- VERY IMPORTANT: Before proceeding with the software updating procedure, the
currently installed software version ID MUST be confirmed by following the steps below:
1a) After starting the engine and system boot-up completes, from the HOME screen, touch the
Settings button.
1b) Press the General button. Use the down arrow to scroll to System Information then press to
display the System Information / Version information.
Continued...
Bulletin Number: 15-305-22R; Revised: 11/07/24
Page 3 of 77
The examples below identify the head unit model and the last 6 digits signify the software version
number. Examples:
Outback/Legacy and Ascent
• F6(9)1WHMxxx-xxx (High model software)
• F6(9)1WMMxxx-xxx (Mid model software)
• F6(9)1WBMxxx-xxx (Base model software)
Outback/Legacy, Ascent
MY
23-25MY
Carline
Trim/Grade
Installed Software
Versions
Available Software
Version
BASE
013-282
023-580
033-680
043-781
053-880
FM1WBM073-980
MID
013-282
023-580
033-270
033-570
033-681
043-781
053-880
043-270
043-570
043-670
073-270
073-570
073-670
073-770
073-870
FM1WMM073-980
HIGH
013-282
023-580
033-270
033-570
033-681
043-781
053-880
043-270
043-570
043-670
073-270
073-570
073-670
073-770
073-870
FM1WHM073-980
Outback/Legacy
Continued...
Bulletin Number: 15-305-22R; Revised: 11/07/24
Page 4 of 77
Outback/Legacy, Ascent
MY
23-24MY
Carline
Trim/Grade
Installed Software
Versions
Available Software
Version
MID
013-282
023-580
033-270
033-570
033-681
043-781
053-880
043-570
043-670
073-570
073-670
073-770
073-870
FM1WMM073-980
HIGH
013-282
023-580
033-270
033-570
033-681
043-781
053-880
043-570
043-670
073-570
073-670
073-770
073-870
FM1WHM073-980
Ascent
ATTENTION: If the software version number matches “Installed Software Versions” proceed to
STEP 2 below. If the software version is “Available Software Version” as the unit already has the
latest software version installed. No update is required at this time.
Continued...
Bulletin Number: 15-305-22R; Revised: 11/07/24
Page 5 of 77
Impreza/Crosstrek
• F7(9)1WHMxxx-xxx (High model software)
• F7(9)1WMMxxx-xxx (Mid model software)
• F7(9)1WBMxxx-xxx (Base model software)
Impreza, Crosstrek
MY
24MY
Carline
Trim/Grade
Installed Software Versions
Latest Software Version
BASE
033-681
043-781
053-880
FM1WBM073-980
MID
033-681
043-781
053-880
043-670
073-670
073-770
073-870
FM1WMM073-980
HIGH
033-681
043-781
053-880
043-670
073-670
073-770
073-870
FM1WHM073-980
Impreza / Crosstrek
WRX
• F7(9)1WHMxxx-xxx (High model software)
• F7(9)1WMMxxx-xxx (Mid model software)
WRX
MY
24MY
Carline
Trim/Grade
Installed Software Versions
Latest Software Version
MID
043-781
053-880
043-670
073-770
073-870
FM1WMM073-980
HIGH
043-781
053-880
043-670
073-770
073-870
FM1WHM073-980
Trim/Grade
Older Software Versions
Latest Software Version
BASE
053-880
FM1WBM073-980
MID
053-880
073-870
FM1WMM073-980
HIGH
053-880
073-870
FM1WHM073-980
WRX
FORESTER
FORESTER
MY
25MY
Carline
Forester
Continued...
Bulletin Number: 15-305-22R; Revised: 11/07/24
Page 6 of 77
If the software version number matches “Installed Software Versions” proceed to STEP 2 below.
If the software version is “Available Software Version” as the unit already has the latest software
version installed. No update is required at this time.
STEP 2- Prepare the USB flash drive
CAUTION: Do not use any USB flash drive which utilizes file organizing software or an operating
system.
VERY IMPORTANT: Before attempting to download any data files, confirm the PC and flash drive
being used is not infected with any virus. The flash drive MUST be formatted for NTFS.
•
Make sure the USB flash drive contains no other files.
•
Right click on the corresponding “Removable Disk”.
•
Select “Format”.
•
From the File System drop-down menu, select “NTFS”
•
Check the “Quick Format” box (if not already done).
•
Click on “Start” to format the USB flash drive.
STEP 3- Download the Update Files to the USB:
Please transfer the files to USB Flash Drive following Appendix 2 (page 9) "Download the Update
Files to the USB".
STEP 4- Perform the software update.
CAUTIONS:
NEVER attempt to install the software immediately following an exchange module installation. Let
the system restart first and operate for 20 minutes.
NEVER attempt to install the software a second time for 30 minutes following a previously
unsuccessful software installation.
NEVER attempt to install the software for at least 30 minutes after completing a FOTA update.
Perform the update in a well ventilated location if updating with the engine running OR with the
ignition ON and a battery charger connected.
Impreza/Crosstrek 24MY
Legacy/Outback 23 – 24MY
WRX 24MY
Ascent 23-24MY
Legacy/Outback 25MY
Forester 25MY
Reprogramming by USB
Applicable
Not Applicable
Reprogramming by SSM5-R and USB
Not Applicable
Applicable
Continued...
Bulletin Number: 15-305-22R; Revised: 11/07/24
Page 7 of 77
ATTENTION: For Impreza/Crosstrek 24MY and WRX 24MY and Legacy/Outback 25MY and
Forester 25MY it is required to use SSM5-R to access Software Update setting in Dealership Mode
Menu.
Please refer to Appendix 4 (page 19) “Perform the software update by SSM5-R and USB” for the
work procedures for Impreza/Crosstrek 24MY and WRX 24MY and Legacy/Outback 25MY and
Forester 25MY.
For Legacy/Outback 23 - 24MY and Ascent 23-24MY please access Software Update setting in
Update setting in Dealership Mode Menu by using CP1 controls directly from CID.
Please refer to Appendix 3 (page 13) “Perform the software update by USB” for the work procedures
for Legacy/Outback 23 - 24MY and Ascent 23-24MY.
WARRANTY / CLAIM INFORMATION:
For vehicles within the Basic New Car Limited Warranty period or covered by an active Subaru
Added Security Gold plan, this repair may be submitted using the following claim information:
Labor Description
Labor
Operation#
Labor Time
Fail Code
DENSO CP 1 SOFTWARE UPDATE - INCLUDES VERSION CHECK
A831-186
1.0
ZTZ-48
(BASE, MID, HIGH)
NOTE: If the infotainment software update is being applied to new inventory vehicles (not CPO or
used) just prior to retail delivery with a particular focus on customers who are iPhone users, use the
following special claims information.
Labor Description
Labor Operation#
Labor Time
Fail Code
Denso CP 1.5 New vehicle programming
B831098
0.8
ZWA-48
REMINDER: The new Software Version number must be entered when prompted at claim entry.
NOTE: Retailers are now permitted to claim up to $5.00 per claim in Sublet to help offset the cost
of replacement USB drives. Repeated re-formatting of the USB drives used for reprogramming
can compromise their ability to operate properly. Over time, hardware connections can loosen and
stored data files can become corrupted. Retailers are responsible for replacing any worn or otherwise
inoperable USB drives as needed. This compensation is intended to help defray those costs.
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.
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TSB/Document ID: 15-305-22R
Replacement Service Bulletin Number:
MFR Communication Date: 2024-11-07
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
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