# Service bulletin 09\-116\-24R

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.

- Type: Service bulletin
- NHTSA id: 10253999
- Published by NHTSA: 2024\-05\-02
- Manufacturer's number: 09\-116\-24R
- Manufacturer's date: 2024\-04\-24
- NHTSA component: EQUIPMENT; ENGINE AND ENGINE COOLING

## NHTSA's summary

This bulletin announces the availability of new reprogramming files for the Engine Control Module \(ECM\) to address cases of the internal valve of the Thermo\-Control Valve \(MCV\) having erratic operation. The new logic contains optimized software for the MCV provided an enhanced operation.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10253999-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10253999-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Equipment and accessories

## Vehicles listed

- 2024 SUBARU CROSSTREK
- 2024 SUBARU IMPREZA

## Other bulletins for the same vehicles and component

- [07\-242\-26](/bulletins/11035637.md), 2026-08-04, Service bulletin: ENGINE; STEERING. This bulletin outlines a repair procedure to be performed if DTC B2781 is set in the steering lock control module.
- [02\-193\-24R](/bulletins/11034269.md), 2026-07-02, Service bulletin: ENGINE. This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components \(e.g. intake valves and / or manifold, and combustion chambers\). \(This is an revised version of the original bulletin.\)
- [09\-74\-21R](/bulletins/11034264.md), 2026-07-02, Service bulletin: ENGINE; FUEL/PROPULSION SYSTEM. This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components \(e.g. intake valves and / or manifold, and combustion chambers\). \(This is an revised version of the original bulletin.\)
- [18\-240\-26](/bulletins/11034237.md), 2026-07-01, Service bulletin: ENGINE. "This bulletin provides a new diagnostic procedure for vehicles equipped with a Denso CP 1, 1.5 and 2.5 head units to provide an enhanced version of the troubleshooting steps for Sound does not come out from the speaker."
- [02\-193\-24R](/bulletins/11033065.md), 2026-06-01, Service bulletin: ENGINE. This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components \(e.g. intake valves and / or manifold, and combustion chambers\).
- [18\-230\-26](/bulletins/11033051.md), 2026-06-01, Service bulletin: ENGINE. This bulletin announces the diagnostic procedures to be used when DTCs B1571\(REFERENCE CODE INCOMPATIBILITY IMMOBILIZER CM TO ECM\) and B1572\(IMM CIRCUIT EXCEPT ANTENNA CIRCUIT\) are detected by Keyless Access with Push Button Start\(KACM\).
- [15\-300\-22R](/bulletins/11027982.md), 2026-02-02, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start \(RES\).
- [09\-123\-24](/bulletins/11027978.md), 2026-02-02, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. This bulletin announces the design change made to the high\-pressure fuel pump developed to prevent DTC P0087 \(Fuel Rail/System Pressure – Too Low Bank 1\).
- [15\-246\-19R](/bulletins/11027103.md), 2026-01-06, Service bulletin: ENGINE; ELECTRICAL SYSTEM. This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer\-related repairs on models listed.
- [09\-74\-21R](/bulletins/11027090.md), 2026-01-06, Service bulletin: ENGINE; FUEL/PROPULSION SYSTEM. This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components \(e.g. intake valves and / or manifold, and combustion chambers\).

JSON: [/v1/bulletins/10253999](/v1/bulletins/10253999)

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