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Service bulletin 5NP-X7G2S-09

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 id10144434
Published by NHTSA2018-09-17
Manufacturer's number5NP-X7G2S-09
Manufacturer's date2018-08-09
NHTSA componentVEHICLE SPEED CONTROL

NHTSA's summary

This bulletin provides the procedure to update the TCU for shift shock when decelerating at slow speeds.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Throttle and cruise control

Vehicles listed
HYUNDAI SONATA2018

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