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Service bulletin 9401015

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 id37965
Published by NHTSA1995-02-09
Manufacturer's number9401015
Manufacturer's date1994-12-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

NHTSA's summary

1991 CALIFORNIA SPECIFICATION SONATA CATALYTIC CONVERTER EMISSION CAMPAIGN (23). *TW

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
HYUNDAI SONATA1991

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