# 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.

- Type: Service bulletin
- NHTSA id: 10138234
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: 5NP\-A2Y3D\-05
- Manufacturer's date: 2018\-04\-02
- NHTSA component: ELECTRICAL 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10138234-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10138234-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Equipment and accessories, Instrument cluster

## Trouble codes named

P0128

## Vehicles listed

- 2017 HYUNDAI ELANTRA

JSON: [/v1/bulletins/10138234](/v1/bulletins/10138234)

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