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Service bulletin 7/1/B

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 id51480
Published by NHTSA1997-06-27
Manufacturer's number7/1/B
Manufacturer's date1997-01-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

EMISSIONS DIAGNOSTICS POWER CONTROL DIAGNOSTIC CODES P0446, P0447 AND P0448 INDICATE THE CANNISTER CLOSE VALVE (CCV) AS A POSSIBLE CAUSE FOR SETTING THE CODE, HOWEVER THERE MAY ALSO BE OTHER CAUSES. *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

Trouble codes named

P0446, P0447, P0448

Vehicles listed
HYUNDAI HYUNDAI

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