WenmarOpen by Wenmar Pro

Service bulletin SB-WVI-19

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 id10030868
Published by NHTSA2009-12-16
Manufacturer's numberSB-WVI-19
Manufacturer's date2009-06-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

SUBARU: ENGINE CONTROL MODULE (ECM) REPROGRAMMING. UNDER CERTAIN UNIQUE DRIVING PATTERNS, SUCH AS REPEATED ACCELERATION AND DECELERATION AND/OR CONTINUOUS UPHILL DRIVING AT HIGHER SPEEDS (ABOUT 75MPH), THE CATALYTIC CONVERTERS OF AFFECTIVE VEHICLES MAY DEVELOP HIGH INTERNAL TEMPERATURES THAT EXCEED DESIGN PARAMETER. IF LEFT UNCORRECTED, THIS CONDITION MAY EVENTUALLY DEGRADE THE CATALYTIC CONVERTERS. CSC LETTER WAS REC'D. *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, Exhaust and emissions, Catalytic converter

Vehicles listed
SUBARU LEGACY2005
SUBARU OUTBACK2005

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

Other bulletins for the same vehicles and component
SB-WVH-182009-12-16. Service bulletin. SUBARU: ENGINE CONTROL MODULE (ECM)REPROGRAMMING. UNDER CERTAIN UNIQUE DRIVING PATTERNS, SUCH AS REPEATED ACCELERATION AND DECELERATION AND/OR CONTINUOUS UPHILL DRIVING AT HIGHER SPEEDS (ABOUT 75MPH), THE CATALYTIC CONVERTERS OF AFFECTED VEHICLES MAY DEVELOP HIGH INTERNAL TEMPERATURES THAT EXCEED DESIGN PARAMETERS. IF LEFT UNCORRECTED, THIS CONDITION MAY EVENTUALLY DEGRADE THE EFFICIENCY OF THE CATALYTIC CONVERTERS. CSC LETTER WAS REC'D. *PE