DTC U1118-00: Lost Communication With Hybrid/EV Battery Electronic Coolant Pump 'A': General Description
WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
An electric water pump is an electric pump that supplies cooling water to the engine, high voltage battery, and the HEV system. Previously, engine power was used, but it was changed to electric for engine efficiency.