Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

Date Published

JUN 01, 2009

NHTSA TSB #

10030865

TSB Document

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Subaru for this TSB. Call your local Subaru dealer's service department & ask for a copy of TSB# SB-WVH-18.

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 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