Control Valve Assembly- Design Change – 2010-2017 Subaru

NHTSA ID Number: 10154423

Manufacturer Communication Number: 16-119-19

Summary

This Service Information bulletin announces availability of a new control valve assembly (valve body) designed to prevent false detection of DTC P0841 and / or illumination of the AT Temp light. Testing has revealed in some limited cases, air bubbles (aerated fluid) may enter certain pressure circuits within the control valve assembly causing fluid pressure control and adjustment to be calculated incorrectly resulting in DTC P0841. The shape of these circuits has been changed to prevent this occurrence.

32 Affected Products

Vehicles

SUBARU	CROSSTREK	2013-2017
SUBARU	FORESTER	2014-2017
SUBARU	IMPREZA	2013-2017
SUBARU	LEGACY	2010-2017
SUBARU	OUTBACK	2010-2016
SUBARU	WRX	2015-2017

INTRODUCTION:

This Service Information bulletin announces availability of a new control valve assembly (valve body) designed to prevent false detection of DTC P0841 and / or illumination of the AT Temp light.  Testing has revealed in some limited cases, air bubbles (aerated fluid) may enter certain pressure circuits within the control valve assembly causing fluid pressure control and adjustment to be calculated incorrectly resulting in DTC P0841.  The shape of these circuits has been changed to prevent this occurrence.

RODUCTION CHANGE INFORMATION:

The new control valve assemblies were incorporated into production as per the VIN table below:

Model	Starting VIN	Applicability
Legacy	H3030630	2.5L
	H3032006	3.6L
Outback	H3268945	2.5L
	H3278202	3.6L
Forester	HH445682	2.5L
	HH447433	2.0L Turbo
Impreza	G*021997	4-Door
Crosstrek	G*328918	5-Door
WRX	H8815698	2.0L Turbo

PART INFORMATION:

SERVICE PROCEDURE / INFORMATION:

REMINDER:  Customer satisfaction and retention starts with performing quality repairs.

The service procedures for valve body diagnosis and replacement remain unchanged from the current applicable Service Manual.  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 and 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.

NUMBER: 16-119-19
DATE: 01/29/19

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