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May 15, 2026 Service bulletin

This bulletin announces reprogramming file availability and provides a software update installation...

Subaru technical service bulletin 15-301-22R for 2022-2023 Subaru WRX.

Bulletin number
15-301-22R
Component
Electrical system
Summary
This bulletin announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units utilized in the models listed.

Owners of these vehicles have filed 3 complaints in the electrical category.

Vehicles covered

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