Hyundai TSB #20-FL-012H

2018 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.

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Date Published
DEC 16, 2020
NHTSA TSB #
10185450
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