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NHTSA ID Number: 10183704

Manufacturer Communication Number: 18-203-20

TSB/Document Date: 2020-12-05


Summary

The purpose of this bulletin is to provide a description of current changes to Service Manuals available via the SubarueBay logo Technical Information System (STIS) web site.


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

© 2020 SubarueBay logo of America, Inc. All rights reserved.

SERVICE BULLETIN
APPLICABILITY:
SUBJECT:

2010-21MY Legacy / Outback

NUMBER:

Service Manual Corrections

DATE:

18-203-20
11/20/20

INTRODUCTION
The purpose of this bulletin is to provide a description of current changes to Service Manuals
available via the SubarueBay logo Technical Information System (STIS) web site. The tables contained within
this bulletin are to be used as guides for becoming aware of the latest changes. We advise you to
always refer to the STIS web site when looking for the latest Service information. Printed pages will
not be made available to update printed Service Manuals.
Paper manuals may have different page numbering then what is reflected below, based on
multiple new and revised pages. Please refer to the information contained on the STIS web site
for all future, update service manual information.

YEAR

2021

MODEL

SECTION

SUB-SECTION

PAGE or
CHAPTER

DESCRIPTION OF CHANGE

General
Description

Recommended Materials

Grease

Front brake pad and support
grease changed. Rear disc brake
support grease added.

Diagnosis

Engine (H4DOYC)

Diag procedure
with DTC

Diagram and diagnostic steps
changed for DTCs P0480 &
0481.

Front & rear brake pads

Installation

Grease application steps
added. Grease recommendation
changed.

Front and rear disk brake
assembly

Installation

Grease application steps
added. Grease recommendation
changed.

Legacy/
Outback
Brakes

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: 18-203-20; Date: 11/20/20

Page 1 of 5

YEAR

MODEL

SECTION

SUB-SECTION

PAGE or
CHAPTER

DESCRIPTION OF CHANGE

General
Description

Recommended Materials

Grease

Front brake pad and support
grease changed. Rear disc brake
support grease added.

Engine (H4DO)

Fuel Injection

Intake Manifold

Removal steps changed, steps
added.

CVT (TR690)

TCM Installation

Steps added to TCM installation.

CVT (TR580)

TCM Installation

Steps added to TCM installation.

Front & rear brake pads

Installation

Grease application steps
added. Grease recommendation
changed.

Front and rear disk brake
assembly

Installation

Grease application steps
added. Grease recommendation
changed.

Engine (H4DOTC)

Diagnostic
procedure with
DTC

Diagnostic steps changed for
DTCs P0480 and 481.

Door Mirror

Inpection mode and
diagnostics

Inspection mode and diagnostic
steps added.

Tellematics

Diagnostic
procedure with
DTC

Diagnostic steps changed for
DTC B2A16 and U115B.

Tire Pressure Monitor

Diagnostic
procedure with
DTC

Diagnostic steps changed for
DTC C2921.

Wiring System

CVT Control System

Electrical Diagrams changed.

Recommended Materials

Grease

Front brake pad and support
grease changed. Rear disc brake
support grease added.

Front & rear brake pads

Installation

Grease application steps
added. Grease recommendation
changed.

Front and rear disk brake
assembly

Installation

Grease application steps
added. Grease recommendation
changed.

Stop Light Switch

Adjustment

Adjustment steps added.

Auto Headlight Beam Leveler
System

Diagnostic
procedure with
DTC

Diagnostic steps changed for
DTC B2910 and B2911.

Tire Pressure Monitor

Diagnostic
procedure with
DTC

Diagnostic steps changed for
DTC C2921.

Exterior/Interior Trim

Roof Rail

Images changes and installation
steps updated.

Transmission

Brakes
2020

Legacy/
Outback

Diagnosis

Body &
Electrical/Wiring
System
General
Description

Brakes

2019

Legacy/
Outback

Diagnosis

Body &
Electrical/Wiring
System

Continued...
Bulletin Number: 18-203-20; Date: 11/20/20

Page 2 of 5

YEAR

MODEL

SECTION

SUB-SECTION

PAGE or
CHAPTER

DESCRIPTION OF CHANGE

General
Description

Recommended Materials

Grease

Front brake pad and support
grease changed. Rear disc brake
support grease added.

CVT (TR690)

TCM Installation

Steps added to TCM installation.

CVT (TR580)

TCM Installation

Steps added to TCM installation.

Front & rear brake pads

Installation

Grease application steps
added. Grease recommendation
changed.

Front and rear disk brake
assembly

Installation

Grease application steps
added. Grease recommendation
changed.

Stop Light Switch

Adjustment

Adjustment steps added.

Auto Headlight Beam Leveler
System

Diagnostic
procedure with
DTC

Diagnostic steps changed for
DTC B2910 and B2911.

Tire Pressure Monitor

Diagnostic
procedure with
DTC

Diagnostic steps changed for
DTC C2921.

Body &
Electrical/Wiring
System

Exterior/Interior Trim

Roof Rail

Images changes and installation
steps updated.

General
Description

Recommended Materials

Grease

Front brake pad and support
grease changed. Rear disc brake
support grease added.

CVT (TR690)

TCM Installation

Steps added to TCM installation.

CVT (TR580)

TCM Installation

Steps added to TCM installation.

Front & rear brake pads

Installation

Grease application steps
added. Grease recommendation
changed.

Front and rear disk brake
assembly

Installation

Grease application steps
added. Grease recommendation
changed.

Stop Light Switch

Adjustment

Adjustment steps added.

Body &

12

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TSB/Document ID: 18-203-20

Replacement Service Bulletin Number:

MFR Communication Date: 2020-11-20

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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