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Service bulletin 06-88-23

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10237269
Published by NHTSA2023-06-05
Manufacturer's number06-88-23
Manufacturer's date2023-05-11
NHTSA componentSERVICE BRAKES, HYDRAULIC; EQUIPMENT

NHTSA's summary

This bulletin announces availability of a new reprograming file developed to correct a possible clicking-type sound heard when operating the brake pedal with the AVH system activated.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Equipment and accessories

Vehicles listed
SUBARU WRX2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
23V0160002023-01-23. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
06-90-242024-07-01. Service bulletin. This bulletin provides diagnosis and procedure information to be applied when diagnosing potential fluid leaks on front and rear brake calipers. This information has been developed to reduce unnecessary brake caliper replacement.
15-270-20R2024-05-02. Service bulletin. This bulletin provides instruction for use of a new reprogramming procedure to optimize the Denso Gen 4 Audio and Navigation system utilized in the models listed.
15-242-19R2024-04-03. Service bulletin. This bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics system’s remote access features.
15-219-18R2024-04-03. Service bulletin. This bulletin addresses an error code 202 and or 204 when attempting to complete the STARLINK telematics subsription process.
09-114-23R2024-04-02. Service bulletin. This bulletin announces the availability of reprogramming files for the Engine Control Module (ECM). This will address cases of DTC P04AE for the EVAP purge control valve stuck open.
15-301-22R2024-04-02. Service bulletin. This bulletin announces reprograming files for the optimization of Gen 4 Denso CP1 audio and navigation head units.
15-246-19R2024-02-02. Service bulletin. This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.
OTA2024-01-03. Service bulletin. OTA version of RC 2304 Announcement
09-110-23R2023-12-05. Service bulletin. This Service Information Bulletin announces diagnostic service procedures to be followed when DTC P0420 (Catalyst System Efficiency Below Threshold Bank 1) is detected by the Engine Control Module (ECM).
18-224-22R2023-11-06. Service bulletin. This Service Information Bulletin is to inform you of the diagnosis procedure of the CP1/ CP1.5 Infotainment System when DTC B2256 is detected.