Category: Diagnostic Tips

Hesitation on Acceleration- ECM Reprogramming File Availability – 2014-2018 Subaru Forester Turbo

NHTSA ID Number: 10153624 Manufacturer Communication Number: 11-187-18 Summary This bulletin announces reprogramming file availability to optimize the ECM and address isolated customer concerns of hesitation on acceleration. The new logic provides enhanced ignition timing control during Exhaust Gas Recirculation (EGR) operation.

DTC P1518, TCM Reprogramming File Availability – 2019 Subaru Forester

NHTSA ID Number: 10153625 Manufacturer Communication Number: 16-118-18 Summary This bulletin announces reprogramming file availability to optimize the Transmission Control Module (TCM) for detection of DTC P1518: STARTER SWITCH CIRCUIT LOW. After using the Remote Engine Starter (RES) to start an applicable vehicle equipped with the Auto Start-Stop System, the TCM may mistakenly detect DTC P1518 when the engine automatically restarts and …

CVT Warranty Extension – 2018 Subaru

NHTSA ID Number: 10150931 Manufacturer Communication Number: 16-117-18 Summary In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Powertrain Warranty coverage for the Continuously Variable Transmission (CVT) on the above listed models and model years from the original five (5) years or sixty thousand (60,000) miles (whichever comes first) to ten (10) years or …

DTC U0284, Additional Diagnostics Added – 2017-2019 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 and result in a communication …

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

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.

DTC C0075- Additional Diagnostic Procedures – 2013-2017 Subaru

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 diagnostics are intended to reduce …

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 …

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