Subaru bulletin 06-89-23
What it saysThis bulletin announces availability of new reprogramming files for the Electronic Brake Booster (EBB) system designed to address cases of a clunk-type sound heard from the brake booster area within five minutes after… NHTSA’s full summary ↓
Subaru filed this with NHTSA as a service bulletin dated Aug 10, 2023, received Sep 5, 2023, about the service brakes — 2 documents under this number. It names 2 model years (2024). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThis bulletin announces availability of new reprogramming files for the Electronic Brake Booster (EBB) system designed to address cases of a clunk-type sound heard from the brake booster area within five minutes after shutting off the engine.
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 06-89-23 | Service bulletin | Aug 10, 2023 | 10241816 | PDF, 263 KB |
| 06-89-23 | Service bulletin | Aug 10, 2023 | 10241815 | PDF, 263 KB |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
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Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 2 model years this bulletin names have filed 150 complaints with NHTSA since 2015. 17 of them name Service Brakes — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
The infotainment system and Apple CarPlay connectivity is posing a safety hazard. When I’m on a phone call my audio will randomly cut out and suddenly the person on the other side of the call can no longer hear me. In order to fix the issue I must pick up my phone while I’m driving to disconnect from Apple CarPlay and reconnect.
2024 Subaru Crosstrek · Electrical System · filed with NHTSA May 9, 2024
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the service brakes
Source: same model, same component group4 other manufacturer communications filed against these Subaru models under the same component group (service brakes), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 06-97-26R | Service bulletin | Jun 11, 2026 | "This bulletin announces a design change to the front brake pads with a new friction material and shape that is intended to enhance the remo… |
| 06-97-26 | Service bulletin | Apr 30, 2026 | This bulletin announces a design change to the front brake pads which have been redesigned with a new friction material and shape to enhance… |
| 06-94-25 | Service bulletin | Feb 24, 2025 | This bulletin announces availability of new Electronic Brake Booster (EBB) & Vehicle Dynamics Control (VDC) module reprogramming files devel… |
| 06-90-24 | Service bulletin | Jun 25, 2024 | This bulletin provides diagnosis and procedure information to be applied when diagnosing potential fluid leaks on front and rear brake calip… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Subaru, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Subaru 06-89-23 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the 06-89-23 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.
Which vehicles does 06-89-23 cover?
The manufacturer filed it against 2 model years: 2024 Subaru Crosstrek, 2024 Subaru Impreza. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.