Hyundai TSB #20-FL-012H

2019 Hyundai Ioniq Plug-in Hybrid

TSB Document:

Affected Component: EQUIPMENT

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

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

Date Published
DEC 16, 2020
NHTSA TSB #
10185450
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