HYUNDAI

Dealer Best Prac

Manufacturer communications

Publication date: 2019-04-30
Received by NHTSA: 2019-05-20
NHTSA record numbers: 10160156

Manufacturer summary

Original wording in English

Hyundai has launched a Service Campaign to update the ECM (Engine Control Module) software for DTC P0128: Coolant Thermostat (Coolant Temp below Thermostat Regulating Temperature) logic improvement.

NHTSA manufacturer communications ↗

Reported code forms

P0128

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

HyundaiP0128

Coolant Thermostat (Coolant Temp below Thermostat Regulating Temperature) logic improvement

NHTSA 10160156 · NHTSA 10169378

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	ELANTRA GT	2018
Hyundai	VELOSTER	2019

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