# Service bulletin WVE\-15

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: 10027464
- Published by NHTSA: 2009\-01\-16
- Manufacturer's number: WVE\-15
- Manufacturer's date: 2008\-08\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE

## NHTSA's summary

SUBARU VEHICLE SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENGINE CONTROL MODULE REPROGRAMMING. UNDER CERTAIN HARSH DRIVING PATTERNS, SPECIFICALLY WHEN REPEATEDLY OR CONTINUOUSLY OPERATING THE ENGINE ABOVE THE RED LINE \(RPM ABOVE 6,700\), ABNORMAL COMBUSTION COULD OCCUR RESULTING IN SERIOUS INTERNAL ENGINE DAMAGE IN THE FORM OF BROKEN PISTON RING LANDS. \(IMPREZA WRX STI MODELS\) CSC LETTER WAS RECEIVED. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine

## Vehicles listed

- 2008 SUBARU IMPREZA

## Recalls for the same vehicles and component

- [08V460000](/recalls/nhtsa/08V460000.md), 2008-09-11: ENGINE AND ENGINE COOLING:ENGINE
- [2008333](/recalls/tc/2008333.md), 2008-09-09: Engine

## Other bulletins for the same vehicles and component

- [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 \(RES\).
- [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 \(Immobilizer Key Collation Diagnosis\).
- [Subaru Service Technical](/bulletins/11022305.md), 2025-09-02, Other: ENGINE; ELECTRICAL SYSTEM; POWER TRAIN. Subaru Service Technical Support Newsletter special edition.
- [02\-192\-24R](/bulletins/11017452.md), 2025-05-01, Service bulletin: ENGINE. This Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines.
- [09\-51\-08R](/bulletins/11016224.md), 2025-04-01, Service bulletin: ENGINE. The purpose of this bulletin is to advise of SOA’s revised Catalytic Converter Recycling Program shipping procedure.
- [01\-167\-08R](/bulletins/11008282.md), 2024-10-02, Service bulletin: ENGINE; ELECTRICAL SYSTEM. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
- [02\-192\-24](/bulletins/11008281.md), 2024-10-02, Service bulletin: ENGINE. This Service Information Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines.
- [02\-191\-22R](/bulletins/11008267.md), 2024-10-02, Service bulletin: ENGINE. This bulletin announces availability of the NEW genuine Subaru engine oil filter.
- [01\-168\-09R](/bulletins/11006934.md), 2024-09-04, Service bulletin: ELECTRICAL SYSTEM; ENGINE. The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web\-site.
- [Thermo Control Valve Vide](/bulletins/11005608.md), 2024-08-05, Other: ENGINE. This thermo control valve video contains information on the replacement of thermo control valve.

JSON: [/v1/bulletins/10027464](/v1/bulletins/10027464)

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