Hyundai TSB #20-01-049H

2019 Hyundai Ioniq Plug-in Hybrid

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
This bulletin provides information related to the Engine Control Module (ECM) software update for OBD communication test logic, and for DTC P0128 â??Coolant thermostat - Coolant temp Below thermostat regulating Temperatureâ??. There are no drivability related conditions.

This bulletin provides information related to the Engine Control Module (ECM) software update for OBD communication test logic, and for DTC P0128 â??Coolant thermostat - Coolant temp Below thermostat regulating Temperatureâ??. There are no drivability related conditions.

Date Published
DEC 16, 2020
NHTSA TSB #
10185431
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