Hyundai TSB #20-FL-012H
2019 Hyundai Ioniq Plug-in Hybrid
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.