DTC U0284, Additional Diagnostics Added – 2017-2019 Subaru Impreza

2019 Subaru Impreza

NHTSA ID Number: 10150933 Manufacturer Communication Number: 07-140-18 Summary This bulletin announces an additional troubleshooting step to follow when diagnosing a DTC U0284: “LOST COMMUNICATIONWITH ACTIVE GRILLE SHUTTER MODULE “A”. Water intrusion into the harness wiring leading to connector B63 for the Active Grille Shutter (AGS) may lead to corrosion of the harness wiring and/or connector terminals … Read more

Reprogramming File Availability to Address Operational Concerns with 6.2” Clarion Display Audio Unit – 2015-2018 Subaru

2018 Subaru WRX STI

NHTSA ID Number: 10171930 Manufacturer Communication Number: 15-199-16R Summary This bulletin announces reprogramming file availability and the software installation procedure to address a group of operational concerns received from the field and listed below involving the Clarion Display Audio unit with 6.2″ display.   22 Affected Products Vehicles MAKE MODEL YEAR SUBARU BRZ 2015-2017 SUBARU CROSSTREK 2015-2017 … Read more

DTC C0075- Additional Diagnostic Procedures – 2013-2017 Subaru

2017 Subaru Crosstrek

NHTSA ID Number: 10150919 Manufacturer Communication Number: 06-67-18 Summary This Service Information Bulletin provides additional steps to follow when diagnosing a DTC C0075: WHEEL CYLINDER PRESSURE SENSOR OUTPUT on the EyeSight equipped models listed above. The information in this bulletin is applicable when DTC C0075 is accompanied by detail codes 5090 and / or 5101. The additional … Read more

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