Hyundai TSB #20-01-049H
2019 Hyundai Ioniq Plug-in Hybrid
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.