Reprogramming File Availability for Optimization of Harman Gen 3.1 and Gen 3.1α Audio and Navigation Head Units – 2019-2023 Subaru

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NHTSA ID Number: 10248193 Manufacturer Communication Number: 15-236-18R Summary The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed.   NUMBER: 15-236-18R DATE: 12/04/18 REVISED: 12/08/23 APPLICABILITY: 22019-23MY Impreza 2019-23MY Crosstrek (Including Hybrid Model) …

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FOTA (Firmware Over-The-Air) Reprogramming Procedure to Optimize Harman Gen 3.1 Audio / Navigation Units – 2019-2024 Subaru

2019 Subaru WRX STI

NHTSA ID Number: 10249605 Manufacturer Communication Number: 15-256-19R Summary This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed.   NUMBER: 15-256-19R DATE: 11/08/19 REVISED: 01/09/24 APPLICABILITY: 2019-23MY Impreza 2019-23MY Crosstrek (Including Hybrid Model) 2019-24MY Forester 2019MY Legacy & …

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Map Data Update Procedure for Harman Gen 3.1 Navigation Equipped Head Units (H/U) – 2019-2022 Subaru

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NHTSA ID Number: 10237276 Manufacturer Communication Number: 15-255-19R Summary Map Data Update Procedure for Harman Gen 3.1 Navigation Equipped Head Units (H/U).   NUMBER: 15-255-19R DATE: 11/08/19 REVISED: 05/15/23 APPLICABILITY: 2019MY Legacy and Outback w/ 8-in. Navi System 2019-23MY Impreza and Crosstrek w/ 8-in. Navi System 2019-23MY Crosstrek Hybrid w/ 8-in. Navi System 2019-24MY Forester w/ 8-in. …

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Required Supplemental Procedure when Installing a NEW (NOT Exchange) Harman Gen. 3.0, 3.1 or 3.1 Alpha Head Unit – All Models Equipped with Harman Audio / Navigation Head Units – Subaru

Subaru

NHTSA ID Number: 10165508 Manufacturer Communication Number: 15-248-19 Summary When a NEW (NOT exchange) Harman Gen 3.0, 3.1 or 3.1 Alpha head unit (H/U) ordered through a Subaru RDC / PDC (warehouse) is installed, the serial number of that unit is not to linked a specific VIN. As a result, the customer will not be able to …

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Enhanced CD Incompatibility with Harman Gen 3.0 and 3.1 Head Units – 2017-2019 Subaru

2019 Subaru BRZ

NHTSA ID Number: 10177828 Manufacturer Communication Number: 15-238-19R   Summary IMPORTANT: This Service Information Bulletin has been removed following Software Version 6 release to the field. Please refer to TSb 15-211-17R for Gen 3.0 and TSB 15-236-18R for Gen 3.1 the update on this condition.   14 Affected Products Vehicles MAKE MODEL YEAR SUBARU ASCENT 2019 SUBARU

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