18-199-20

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IMPORTANT - All
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SERVICE MANAGER
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SERVICE BULLETIN
APPLICABILITY:
		
		
SUBJECT:
NUMBER:
2012-17 Impreza
2013-20 Crosstrek
2013-20 WRX/STI
Service Manual Corrections
DATE:
18-199-20
03/04/20
INTRODUCTION
The purpose of this bulletin is to provide a description of current changes to Service Manuals
available via the Subaru 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
2017
2016
2015
2014
MODEL
Impreza
Impreza
Impreza
Impreza
SECTION
SUB-SECTION
PAGE or
CHAPTER
DESCRIPTION OF CHANGE
Engine
Exhaust (H4DO)
Component
Exhaust Pipe Type B added.
Brakes
Brake
Inspection
Output Checks updated.
Diagnosis
Engine (H4DO)
DTC P1261
Diagnostic steps updated.
CVT
DTC P0B0B,
P172A
Diagnostic steps updated.
VDC
DTC C1532
Diagnostic steps updated.
CVT
DTC P0B0B,
P172A
Diagnostic steps updated.
VDC
DTC C1532
Diagnostic steps updated.
CVT
DTC P0B0B,
P172A
Diagnostic steps updated.
VDC
DTC C1532
Diagnostic steps updated.
Diagnosis
Diagnosis
Diagnosis
2013
Impreza
Diagnosis
VDC
DTC C1532
Diagnostic steps updated.
2012
Impreza
Diagnosis
VDC
DTC C1532
Diagnostic steps updated.
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: 18-199-20; Date: 03/04/20
Page 1 of 2
YEAR
2020
MODEL
SECTION
SUB-SECTION
PAGE or
CHAPTER
DESCRIPTION OF CHANGE
Brakes
Brake
Inspection
Output Checks updated.
Body & Electrical
Wiring
Security & Locks
Inspection
Inspection chart steps added.
Engine (H4DO)
DTC P1261
Diagnostic steps updated.
Crosstrek
Diagnosis
2019
Eyesight
Inspection
Inspection 6 changed.
Brake Control
DTC C1531
Diagnostic steps updated.
Electric Brake Booster
DTC P0572
Diagnostic steps updated.
P-HEV High Voltage Battery
Inspection Mode
Procedure changes, review.
Plug In Battery Charger
Inspection Mode
Procedure changes, review.
P-HEV Hybrid Powertrain
Control
Inspection Mode
Procedure changes, review.
P-HEV Drive Motor
Inspection Mode
Procedure changes, review.
Engine
Exhaust (H4DO)
Component
Exhaust Pipe Type B added.
Brakes
Brake
Inspection
Output Checks updated.
Engine (H4DO)
DTC P1261
Diagnostic steps updated.
Eyesight
Inspection
Inspection 6 changed.
Brake Control
DTC C1531
Diagnostic steps updated.
Electric Brake Booster
DTC P0572
Diagnostic steps updated.
P-HEV High Voltage Battery
Inspection Mode
Procedure changes, review.
Crosstrek
Diagnosis
Plug In Battery Charger
Inspection Mode
Procedure changes, review.
P-HEV Hybrid Powertrain
Control
Inspection Mode
Procedure changes, review.
P-HEV Drive Motor
Inspection Mode
Procedure changes, review.
Exhaust (H4DO)
Component
Exhaust Pipe Type B added.
Engine
2018
Crosstrek
Brakes
Diagnosis
Brake
Inspection
Output Checks updated.
Engine (H4DO)
DTC P1261
Diagnostic steps updated.
Eyesight
Inspection
Inspection 6 changed.
Engine (H4DO)
DTC P0458
Diagnostic steps updated.
VDC
DTC C1532
Diagnostic steps updated.
2017
Crosstrek
Diagnosis
2020
WRX/STI
Diagnosis
Engine w/o STI
DTC P0851, 0852
Diagnostic steps updated.
2019
WRX/STI
Diagnosis
VDC
DTC C1532
Diagnostic steps updated.
2018
WRX/STI
Diagnosis
VDC
DTC C1532
Diagnostic steps updated.
2017
WRX/STI
Diagnosis
VDC
DTC C1532
Diagnostic steps updated.
2016
WRX/STI
Diagnosis
VDC
DTC C1532
Diagnostic steps updated.
2015
WRX/STI
Diagnosis
VDC
DTC C1532
Diagnostic steps updated.
Bulletin Number: 18-199-20; Date: 03/04/20
Page 2 of 2