HYUNDAI

20-FL-012H

Manufacturer communications

Publication date: 2020-12-16
Received by NHTSA: 2021-01-09
NHTSA record numbers: 10185450

Manufacturer summary

Original wording in English

This bulletin provides information related to the Engine Control Module (ECM) software logic update for DTC P0128 “Coolant thermostat - Coolant temp Below thermostat regulating Temperature”. There is no drivability issue with this DTC.

NHTSA manufacturer communications ↗

Reported code forms

P0128

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Make	Model	Model year
Hyundai	IONIQ HYBRID	2019
Hyundai	IONIQ HYBRID	2018
Hyundai	IONIQ HYBRID	2017
Hyundai	IONIQ PLUG-IN HYBRID	2019
Hyundai	IONIQ PLUG-IN HYBRID	2018

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