Hyundai TSB #20-01-036H
2018 Hyundai Elantra GT
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- This bulletin provides information related to an ECM (Engine Control Module) software update for DTC P0128: Coolant Thermostat (Coolant Temp below Thermostat Regulating Temperature) logic revision. There are no drivability symptoms associated with DTC P0128.