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

2017 Subaru WRX

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 … Read more

Power Steering System Diagnostics – 2014-2018 Subaru Forester

2018 Subaru Forester

NHTSA ID Number: 10154409 Manufacturer Communication Number: 04-23-18R Summary This bulletin provides helpful tips to simplify the diagnosis of sound concerns originating in the electronic power steering (EPS) gearbox (steering rack) assembly. If a vehicle presents with a “rattling”, “knocking” or possibly a “clanging” type sound coming from the steering rack and / or a vibration felt … Read more

DTCs P1C06 and P1C07- Diagnostic Procedure Change – 2014-2016 Subaru Crosstrek Hybrid (HEV)

2016 Subaru Crosstrek Hybrid

NHTSA ID Number: 10154420 Manufacturer Communication Number: 07-147-19 Summary In the Service Manual for the CROSSTREK hybrid model, the diagnostic procedures for P1C06 and P1C07, which are DTCs for checking the relay, have no steps for specifically checking the relay. Therefore, if trouble occurs in the 12 V battery relay, the Hybrid Power Control Module (HPCM) ends … Read more

Control Valve Assembly- Design Change – 2010-2017 Subaru

2017 Subaru WRX

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 … Read more

Valve Spring Information – 2013-2019 Subaru BRZ

2019 Subaru BRZ

NHTSA ID Number: 10154424 Manufacturer Communication Number: 02-133-12R Summary The purpose of this bulletin is to clarify the proper installation direction of the valve springs used on the FA engine. The springs have a light blue paint mark identifier as shown in the chart below.   7 Affected Products Vehicle MAKE MODEL YEAR SUBARU BRZ 2013-2019   … Read more