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Service bulletin 9840003

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 id601623
Published by NHTSA1998-08-12
Manufacturer's number9840003
Manufacturer's date1998-06-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

VEHICLES MAY EXHIBIT A HARSH 3-2 DOWNSHIFT. *YC

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

Transmission and driveline, Automatic transmission

Vehicles listed
HYUNDAI SONATA1997, 1998

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
5NP-S9D9P-102016-10-18. Service bulletin. THIS BULLETIN PROVIDES INFORMATION ON COMPONENTS, ATTRIBUTES, AND PRECAUTIONS OF THE 7-SPEED DRY-TYPE DUAL CLUTCH TRANSMISSION (DCT).
97900021997-07-17. Service bulletin. ATM 3RD TO 4TH GEAR UPSHIFT DELAY DURING CRUISE CONTROL OPERATION. *TW