Knock Sensor Design Change, DTCs P0327, P0328, P0332 and P0333 – 2012-2017 Subaru

NHTSA ID Number: 10153187

Manufacturer Communication Number: 07-133-18

Summary

This Service Information Bulletin announces design changes to the engine’s knock sensor which will help improve vehicle assembly line efficiency and increase durability. In some cases, the Check Engine light may illuminate and a knock sensor-related DTC set in the ECM memory: P0327, P0328, P0332 and P0333. The knock sensor for DIT engines is now utilized for NA engines to improve durability and resistance to heat.

 

40 Affected Products

Vehicles

MAKE MODEL YEAR
SUBARU BRZ 2013-2017
SUBARU CROSSTREK 2013-2017
SUBARU FORESTER 2011-2017
SUBARU IMPREZA 2012-2016
SUBARU LEGACY 2012-2017
SUBARU OUTBACK 2012-2017
SUBARU TRIBECA 2012-2014
SUBARU WRX 2015-2017

 

INTRODUCTION:

This Service Information Bulletin announces design changes to the engine’s knock sensor which will help improve vehicle assembly line efficiency and increase durability.  In some cases, the Check Engine light may illuminate and a knock sensor-related DTC set in the ECM memory: P0327, P0328, P0332 and P0333. The knock sensor for DIT engines is now utilized for NA engines to improve durability and resistance to heat.

 

PRODUCTION CHANGE INFORMATION:

The new sensor was incorporated into production November 18th, 2016 starting with the following VINs as per the table below:

Model Starting VIN
Legacy TBD
Outback
Forester Turbo HH523310
Forester NA HH538942
WRX H9830255
Crosstrek HH238540
BRZ H9602284

 

PART INFORMATION:

  • The part number for the new knock sensor to be used on Japan-built vehicles is: 22060AA180.
  • The part number for the new knock sensor to be used on SIA / US-built vehicles is: 22060AA18A.

The reference illustrations below show the difference between the new and the old part.

 

SERVICE PROCEDURE / INFORMATION:

If any of the above listed DTCs are stored, diagnose as per the applicable Service Manual.

Follow the procedure in the applicable Service Manual when replacing the knock sensor.  The torque specification for the retaining bolt (24 Nm / 17.7 ft. lbs.) is unchanged.

REMINDER:  Do NOT use anti-seize compound on the sensor retaining bolt threads.



NUMBER: 07-133-18R
DATE: 02/09/18
REVISED: 11/14/18

https://www.nhtsa.gov/recalls?nhtsaId=10153187

https://static.nhtsa.gov/odi/tsbs/2018/MC-10153187-9999.pdf

Download (PDF, 328KB)


 

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Last update on 2020-04-09 / Affiliate links / Images from Amazon Product Advertising API

Last update on 2020-04-09 / Affiliate links / Images from Amazon Product Advertising API

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