Fuel Injector- Design Change Misfire DTC P030* / Engine Knocking / DTC P219C P219D P219E P219F – 2018-2021 Subaru Crosstrek 2.0L DI & PHEV 2017-2021 Impreza 2.0L DI

2021 Subaru Impreza

NHTSA ID Number: 10201811 Manufacturer Communication Number: 09-81-21 Summary This bulletin announces design changes made to the fuel injector assembly in response to misfire DTC P030x, engine knocking, and/or DTCs P219C-D-E-F.   NUMBER: 09-81-21 DATE:  09/24/21   INTRODUCTION: This bulletin announces design changes made to the fuel injector assembly in response to the DTCs listed above. Changes …

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DTC P0300 Reprogramming File Availability – 2017-2018 Subaru WRX STI

2018 Subaru WRX STI

NHTSA ID Number: 10154410 Manufacturer Communication Number: 11-188-19 Summary This bulletin announces availability of reprogramming files to optimize the ECM on the STI models listed with EJ2.5 engine and manual transmission. These files enhance engine misfire diagnosis to reduce the possibility of an incorrect detection of DTC P0300: RANDOM / MULTIPLE CYLINDER MISFIRE DETECTED. The DTC may …

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DTC P0300 – Reprogramming File Availability – 2017-2020 Subaru BRZ

2020 Subaru BRZ

NHTSA ID Number: 10168604 Manufacturer Communication Number: 11-193-19 Summary This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). These new files will stabilize engine RPM and combustion during warm-up due to slight differences in the air-fuel ratio between cylinders causing DTC P0300 to set.   4 Affected Products Vehicle MAKE MODEL YEAR …

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New Alternator Assembly to Address DTC P0300 – 2014-2016 Subaru Forester

2016 Subaru Forester

NHTSA ID Number: 10187308 Manufacturer Communication Number: 07-112-16R Summary This bulletin provides a procedure for diagnosis and repair of DTC P0300 which may result from fluctuation of the alternator’s current output outside of the specified limits.     NUMBER: 07-112-16R DATE: 08/12/16 REVISED: 08/08/17 APPLICABILITY: 2014-16MY Forester 2.5L Models SUBJECT: New Alternator Assembly to Address DTC P0300 …

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Reprogramming File Availability for DTC P0300 and Rough Idle – 2015 Subaru WRX & Forester 2.0L Turbo (DIT)

NHTSA ID Number: 10120966 Manufacturer Communication Number: 11-161-16   Summary This bulletin announces the availability of new reprogramming files for optimizing the ECM to address the following customer concern: Rough idle after a warm engine restart. In rare cases, DTC P0300 may also be stored.   2 Affected Products Vehicles MAKE MODEL YEAR SUBARU FORESTER 2015 SUBARU …

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