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Manufacturer communication · Service bulletin

Subaru bulletin 09-136-25R

What it saysThis bulletin announces the availability of reprogramming files for the Engine Control Module (ECM). NHTSA’s full summary ↓

Subaru filed this with NHTSA as a service bulletin dated Aug 7, 2025, received Jun 3, 2025, about the electrical system — 3 documents under this number. It names 12 model years (2022–2025). 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 communication

This bulletin announces the availability of reprogramming files for the Engine Control Module (ECM). This logic was developed to address the following Diagnostic Trouble Code (DTC): P062F - Internal Control Module EEPROM Error. If DTC P062F is detected by the ECM, perform the reprogramming procedure outlined in this bulletin.

Trouble codes it names: P062F

Kind Service bulletin Manufacturer date Aug 7, 2025 Received by NHTSA Jun 3, 2025 Components Electrical System, Engine First dated May 29, 2025

Documents filed under this number

DocumentKindDatedNHTSA idAt NHTSA
09-136-25RService bulletinAug 7, 202511022297PDF, 1,196 KB
09-136-25RService bulletinJul 14, 202511021259PDF, 214 KB
09-136-25RService bulletinMay 29, 202511018915PDF, 1,181 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.

Model years it names

Source: as the manufacturer filed them

A 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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A weekly email, sent only in a week when Subaru files something new with NHTSA for the model you pick — service bulletins, campaigns, warranty extensions, over-the-air notices, every model year. Nothing else is sent; one-click unsubscribe in every message. Separate from recall alerts.

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What owners reported

Source: NHTSA complaint database

Owners of the 12 model years this bulletin names have filed 461 complaints with NHTSA since 2015. 98 of them name Electrical System, Engine — 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.

Warning light on infotainment screen for Eyesight and Transmission Oil issues. Warning from MySubaru System via website. Warning on Infotainment screen while using CarPlay "There was a problem loading this content." Contacted Subaru of America Britt Senior Customer Service Advocate telling them dealer is not making appointment to fix car…

2024 Subaru Legacy · Electrical System · filed with NHTSA Oct 11, 2024

Driving my car as any person would, at the 3519 mile mark on the odometer the engine low oil light came on, it took (1.5Q) of oil to top it off. This is a brand new car no one buys a new car to add oil to it, then to get told by the dealership that it’s normal for up to (2Q) of oil to be added because it’s the only AWD boxer, but yet the…

2024 Subaru WRX · Engine · filed with NHTSA Mar 24, 2025

I would just like to complain about the excess Rtv on the engine oil pan that has been demonstrated on numerous videos of people opening up the oil drain pan and finding chunks of Rtv blocking some of the engine oil pickup tube. I have not opened up my oil drain pan due to cost. This has not lead to failure as of yet but it is worrisome.

2023 Subaru WRX · Engine · filed with NHTSA Jul 18, 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 electrical system

Source: same model, same component group

113 other manufacturer communications filed against these Subaru models under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Subaru list.

NumberKindDatedNHTSA’s summary
15-342-26Service bulletinAug 31, 2026This bulletin announces an inspection procedure for the Smart Rear View Mirror Assembly.
15-261-20RService bulletinAug 31, 2026This bulletin announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Dens…
15-341-26Service bulletinAug 20, 2026This Bulletin provides best practices for troubleshooting and resolving Subaru Connect telematics concerns on 2026MY Solterra, Trailseeker…
15-308-23RService bulletinAug 20, 2026This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw (dark/standby current) in vehicles experienc…
15-305-22RService bulletinAug 20, 2026This bulletin announces a reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4.5…
15-331-25RService bulletinAug 14, 2026This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concern…
15-304-22RService bulletinAug 13, 2026This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concern…
10-106-26Service bulletinAug 5, 2026This bulletin announces the design change made to the A/C control module and blower motor unit assembly.

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.

Photo: Christian Buehner / Unsplash

Common questions

Source: NHTSA, 49 CFR 579.5

Is Subaru 09-136-25R 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 09-136-25R 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 09-136-25R cover?

The manufacturer filed it against 12 model years: 2025 Subaru Ascent, 2024 Subaru Ascent, 2023 Subaru Ascent, 2025 Subaru Legacy, 2024 Subaru Legacy, 2023 Subaru Legacy and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.