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Service bulletin 5NP-A2Y3D-05

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 id10138234
Published by NHTSA2018-05-21
Manufacturer's number5NP-A2Y3D-05
Manufacturer's date2018-04-02
NHTSA componentELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT

NHTSA's summary

This bulletin provides a procedure for replacing the thermostat on certain 2017 Elantra vehicles. The thermostat may not function properly and may result in Diagnostic Trouble Code P0128. Replacement of thermostat is required even without a P0128 code.

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

Electrical system, Equipment and accessories, Instrument cluster

Trouble codes named

P0128

Vehicles listed
HYUNDAI ELANTRA2017

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