# Service bulletin 09\-72\-20

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: 10177834
- Published by NHTSA: 2020\-08\-03
- Manufacturer's number: 09\-72\-20
- Manufacturer's date: 2020\-07\-31
- NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING

## NHTSA's summary

This bulletin announces availability of new intake manifold assemblies which include enhanced TGV assemblies to address related DTCs which may set as a result of lubricant contained within the actuator component of the TGV leaking and being drawn into the engine.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177834-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177834-9999.pdf)

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

## Components

Engine, Equipment and accessories

## Vehicles listed

- 2018 to 2020 SUBARU CROSSTREK
- 2017 to 2020 SUBARU IMPREZA

## Recalls for the same vehicles and component

- [21V264000](/recalls/nhtsa/21V264000.md), 2021-04-15: ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM:IGNITION; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
- [19V856000](/recalls/nhtsa/19V856000.md), 2019-12-02: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\)
- [2019527](/recalls/tc/2019527.md), 2019-10-17: Engine
- [2019526](/recalls/tc/2019526.md), 2019-10-17: Engine
- [2019525](/recalls/tc/2019525.md), 2019-10-17: Engine
- [19V745000](/recalls/nhtsa/19V745000.md), 2019-10-17: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\)
- [19V744000](/recalls/nhtsa/19V744000.md), 2019-10-17: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\)

## Other bulletins for the same vehicles and component

- [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 \(e.g. intake valves and / or manifold, and combustion chambers\). \(This is an revised version of the original bulletin.\)
- [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 \(Fuel Rail/System Pressure – Too Low Bank 1\).
- [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 \(e.g. intake valves and / or manifold, and combustion chambers\).
- [18\-226\-25R](/bulletins/11027083.md), 2026-01-06, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This Service Information Bulletin provides the Service Manual Correction to the diagnostic procedure for DTC B2A16 \(Immobilizer Key Collation Diagnosis\).
- [18\-228\-25R](/bulletins/11027081.md), 2026-01-06, Service bulletin: ENGINE; FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This bulletin announces the diagnostic procedures to be used when DTCs P2096 \(POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1\) and P2097 \(POST CATALYST FUEL TRIM SYSTEM TOO RICH BANK 1\) are detected by the Engine Control Module \(ECM\).
- [18\-228\-25](/bulletins/11025790.md), 2025-12-01, Service bulletin: ENGINE; ELECTRICAL SYSTEM. This bulletin announces the diagnostic procedures to be used when DTCs P2096 \(POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1\) and P2097 \(POST CATALYST FUEL TRIM SYSTEM TOO RICH BANK 1\) are detected by the Engine Control Module \(ECM\).

JSON: [/v1/bulletins/10177834](/v1/bulletins/10177834)

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