MinorAffects 2017-2020

    Subaru BRZ Infotainment Bluetooth Disconnect & Freezing

    The 2017-2020 Subaru BRZ Starlink infotainment system frequently drops Bluetooth connections or freezes during media playback and call synchronization.

    Reviewed by SubaruReview Editorial Team · Last reviewed 2026-05-15 · Editorial standards

    Repair cost
    $0–$1,200
    Software updates are often covered under the 3-year/36,000-mile basic warranty. Out-of-warranty head unit replacement is expensive.
    DIY difficulty
    2 / 5
    Severity
    Minor
    Annoying or cosmetic — schedule when convenient
    Affected
    2017-2020
    Infotainment Head Unit, Starlink System, Bluetooth Module, Microphone/USB harness

    This is one of several documented BRZ problems we track, and it fits inside the broader Reliability & Common Problems guide. If you're weighing repair against replacement, cross-check the Subaru repair-cost database and any open NHTSA recalls on your VIN before booking a shop.

    What goes wrong

    Drivers experience sudden disconnection of their mobile devices from the Starlink system. This typically occurs within the first 10 minutes of driving, often triggered by the system attempting to sync the contact list or handle a high-bitrate audio stream. In some cases, the entire head unit becomes unresponsive until the car is power-cycled.

    Symptoms to watch for

    • Frequent 'Bluetooth Disconnected' pop-ups while driving.
    • Audio stuttering or 'skipping' during music playback.
    • Head unit freezes or reboots when downloading phone contacts.
    • Phone connects for calls but fails to play audio/media.
    • Laggy response when skipping tracks via steering wheel controls.

    Root cause

    Incompatibility between older Starlink firmware versions and modern smartphone Bluetooth protocols (BLE/A2DP), coupled with memory buffer overflows during contact synchronization.

    Buy time with these

    • Perform a 'Hard Reset' by holding the volume/power knob for 10-15 seconds.
    • Clear all paired devices from both the car and the smartphone.
    • Ensure smartphone OS is updated to the latest version.
    • Disable 'Contact Syncing' in the phone's Bluetooth settings for the BRZ connection.

    Permanent fix

    1. Update head unit firmware to the latest version via Subaru Service Tool (Flash Drive).
    2. Replacement of the Starlink head unit if internal hardware failure is detected.

    Related recalls / TSBs

    TSB 15-205-16RTSB 15-221-18R

    FAQ

    What causes subaru brz infotainment bluetooth disconnect & freezing?

    Incompatibility between older Starlink firmware versions and modern smartphone Bluetooth protocols (BLE/A2DP), coupled with memory buffer overflows during contact synchronization.

    How much does it cost to fix?

    National average $0–$1,200. Software updates are often covered under the 3-year/36,000-mile basic warranty. Out-of-warranty head unit replacement is expensive.

    Is this a DIY repair?

    Difficulty 2/5. Update head unit firmware to the latest version via Subaru Service Tool (Flash Drive).

    What are the symptoms?

    Frequent 'Bluetooth Disconnected' pop-ups while driving.; Audio stuttering or 'skipping' during music playback.; Head unit freezes or reboots when downloading phone contacts.; Phone connects for calls but fails to play audio/media.; Laggy response when skipping tracks via steering wheel controls.

    Sources

    People also ask

    How much does it cost to fix Subaru BRZ Infotainment Bluetooth Disconnect & Freezing?

    Owners typically pay $0–$1,200 at an independent Subaru shop, parts and labor included. Compare full itemized quotes in the Subaru repair-cost database.

    Can I fix this as a DIY repair?

    We rate it 2/5 on our DIY scale. Confident wrenchers can tackle it in a weekend using the permanent-fix steps above. Cross-reference the reliability & common problems hub for related jobs worth bundling while you're in there.

    Ready to buy or refresh your current build?

    Dig into the Problems Database to plan your next maintenance sprint, or browse every model hub for buyer's guides, generation breakdowns, and known-issue lists.