Diagnostic Tips

Gen1 Telematics DCM Replacement for continued operation post-3G Sunset – 2016-2018 Subaru

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NHTSA ID Number: 10208659 Manufacturer Communication Number: 15-291-22 Summary Going forward when a customer’s vehicle is equipped with a DCM that does not have Software version ID DCM_06.00.17_20190816 installed and they wish to subscribe to Starlink Telematics Service, the DCM must be replaced.   INTRODUCTION: The Gen1 STARLINK subscribers complimentary Data Communication Module (DCM) update period has … Read more

DTC B1788 Occupant Detection Sensor Power Supply – 2020-2022 Subaru Outback & Legacy 2022 BRZ

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2022 Subaru Outback

NHTSA ID Number: 10209927 Manufacturer Communication Number: 18-217-22R Summary This bulletin announces Service Manual corrections for the diagnostic trouble tree for DTC B1788.   INTRODUCTION: This Service Information Bulletin announces Service Manual corrections for the diagnostic trouble tree for DTC B1788.  These corrections will be made to the Service Manual at a later date.  If DTC B1788 … Read more

Mirror HomeLink(R) Inoperative – 2022 Subaru BRZ

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2022 Subaru BRZ

NHTSA ID Number: 10207186 Manufacturer Communication Number: 15-290-22 Summary This bulletin announces a production change made to the Auto-Dimming HomeLink Mirror (H501SC000).   INTRODUCTION: This Service Information Bulletin announces a production change made to the Auto-Dimming HomeLink Mirror (H501SC000).  In some cases, the harness supplied with the installation kit is incorrect causing the HomeLink feature to not … Read more

Front Door Window Regulator Erratic Operation – 2020 Subaru Legacy & Outback

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2020 Subaru Legacy

NHTSA ID Number: 10235281 Manufacturer Communication Number: 07-189-21R Summary This bulletin announces availability of new front door window regulator assemblies in response to limited concerns of erratic operation of the anti-entrapment feature and / or the door glass either not closing or closing very slowly.   NUMBER: 07-189-21 DATE: 02/15/21 REVISED: 04/05/23 INTRODUCTION: This bulletin announces availability … Read more

Subaru Gen1 and Gen2 Telematics DTC B2A01- Diagnostic Best Practices

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NHTSA ID Number: 10188196 Manufacturer Communication Number: 15-278-21 Summary This bulletin provides additional details and helpful hints to follow when diagnosing a Telematics system DTC B2A01.   NUMBER: 15-278-21 DATE: 02/25/21 APPLICABILITY: All Models with Gen1 and Gen2 Telematics SUBJECT: Telematics DTC B2A01- Diagnostic Best Practices   INTRODUCTION: This Service Information Bulletin provides additional details and helpful hints … Read more