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NHTSA ID Number: 10253903

Manufacturer Communication Number: 09-80-21R

TSB/Document Date: 2024-05-02


Summary

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.


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

© 2021 SubarueBay logo of America, Inc. All rights reserved.

SERVICE BULLETIN
APPLICABILITY:

2020-21MY Legacy & Outback
2019-21MY Forester
2021MY Crosstrek

NUMBER: 09-80-21R

SUBJECT:

DTC # P2682 & P26Ax** / Thermo Control
Valve – Design Change

DATE:

02/28/22

REVISED:

04/01/24

INTRODUCTION:
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. A new resin molding process was also used in production. These changes
were implemented to prevent sensor corrosion which can cause DTCs P2682 and/or P26A**.
PRODUCTION CHANGE INFORMATION:
The new part has been incorporated into production per
the VIN table provided to the right.

Model

Starting VIN

Outback

N3172367

Legacy

N3011124

Forester

MH567225

Crosstrek

M8372992

PART INFORMATION:
REMINDER: Always order the most up-to-date replacement parts based on the specific VIN being
repaired.
Quantity

Part Description

Part Number

1

VALVE ASSEMBLY-THERMO CONTROL

21319AA010 or 21319AA040

2

GSKT-INT MANIF (Legacy & Outback)

14035AA78A**

2

GSKT-INT MANIF (Crosstrek & Forester)

14035AA750**

1

PIPE AY-FUEL DLVY

17540AA460**

1

EGR GASKET

14738AA210**

1

O-Ring

45192FL000**

** Indicates one-time-use parts.
NOTE: The new valve assembly comes with a replacement o-ring.
CAUTION: VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD
RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS.
SubarueBay logo 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.

SubarueBay logo of America, Inc. is
ISO 14001 Compliant
ISO 14001 is the internationaleBay logo 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: 09-80-21R; Revised: 04/01/24

Page 1 of 4

SERVICE PROCEDURE / INFORMATION:
REMINDER: Customer satisfaction and retention starts with performing quality repairs.
Identification:
The 21319AA040 part numbers contain the design change. The 2139AA010 part numbers have
the design change implemented without any part number change. The design change on these parts
are identified by the production date code located on the valve assembly. The new parts started
production on June 7th, 2021. All parts produced after this date incorporate the design changes.
Reading the Production Date Code:
NOTE: The Production Date Code cannot be read with the part installed.

The 3rd and 4th digits of the 5-digit ID number show the production year. The EXAMPLE
below shows 2021.

The 5th digit of the 5-digit ID number shows the production month. The EXAMPLE below
shows June (6).

The 1st and 2nd digits of the 6-digit ID number show the production day. The EXAMPLE
below shows the 11th.

EXAMPLE:
5-Digit Number

QR Code
A

1

2

1
Year

1

0

1

3

Month

Production Month Code

6-Digit Number
1

6

7

Day

Digit

Month

1

January

2

February

3

March
Continued…

X

October

Y

November

Z

December

This part was produced on June 11, 2021.

Continued...
Bulletin Number: 09-80-21R; Revised: 04/01/24

Page 2 of 4

REPAIR PROCEDURE:
Refer to the applicable Service Manual and review: General Description > Repair Contents > Action
required before & after Battery Disconnect. Additionally, record any stored seat position(s) before
proceeding. Relearn any seat position memory after work is complete. If the power rear gate (PRG)
height has been customized, that position must also be noted and relearned.
The service procedures for the thermo control valve assembly remain unchanged. Always refer to
the applicable Service Manual and review the full requirements of the repair being performed. The
Service Manual procedures contain information critical to performing an effective repair the
first time, every time. This includes but is not limited to important SAFETY precautions, proper
inspection criteria, necessary special tools, required processes and related one-time-use parts needed
for a complete and lasting repair.
Refer to the applicable Service Manual: Engine > COOLING > Thermo Control Valve Assembly.
CRITICAL INFORMATION:

The Service Manual uses a black star () in the component breakdown illustrations to
indicate one-time use parts. The high-pressure fuel delivery pipe, intake manifold gaskets, and
EGR cooler gaskets are one-time use parts (shown below).

Whenever reconnecting the ground cable terminal to the battery sensor, torque to 7.5Nm
(5.5ft.-lbs. or 66inch-lbs.) while supporting the sensor with the other hand as outlined in the
applicable Service Manual under: STARTING/CHARGING SYSTSEMS > Battery Sensor.

WARRANTY / CLAIM INFORMATION:
For vehicles within the Basic New Car Limited or Powertrain Limited Warranty period or covered by
an active SubarueBay logo Added Security Gold plan, this repair may be submitted using the following claim
information:
Labor Description

Labor Operation #

Labor Time

Fail Code

A455-061

THERMO CONTROL VALVE ASSY R&R

2.6

CEG-43

For vehicles within the Thermo Control Valve Warranty Extension, refer to TSB 09-119-24.
Continued...
Bulletin Number: 09-80-21R; Revised: 04/01/24

Page 3 of 4

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: 09-80-21R; Revised: 04/01/24

Page 4 of 4

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TSB/Document ID: 09-80-21R

Replacement Service Bulletin Number:

MFR Communication Date: 2024-04-01

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: EQUIPMENT

MFR Component System:

MFR Component Subsystem:


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