This bulletin applies to 2013-2019 Subaru Crosstrek, Legacy, Outback and BRZ models, 2015-2019 WRX, 2014-2018 Forester Turbo, 2012-2019 Impreza and 2011-2019 Forester models. The bulletin announces part information for a new Active Valve Control System (AVCS) oil control solenoid valves (OCV) which contain a redesigned internal oil seal.

The new seal will eliminate potential oil seepage into the wire harness connector portion of the valve. If oil seeps into the connector, over time the check engine lamp may illuminate and set various AVCS-related DTCs.

If oil is found in the harness connector during diagnosis of AVCS-related DTCs, replace the affected OCV with a new part as listed below.  If related engine wiring harnesses and/or connectors are contaminated, the harness itself may also need to be replaced if degreasing using a spray parts cleaner is unsuccessful.

VALVE ASSEMBLY-OIL CONTROL

Old P/N ............................... New P/N

10921AA230........................ 10921AA231

10921AA240........................ 10921AA241

10921AA23A........................ 10921AA23B

Example of OCV location.

Example of OCV location.

Note the production stamp on the existing OCV. OCVs having a date stamp with the first 5 digits as 17159****** or higher are new parts.

Note the production stamp on the existing OCV. OCVs having a date stamp with the first 5 digits as 17159****** or higher are new parts.

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