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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (HEV Motor Control System Diagnosis (PHEV) (2 Of 2)) >> DTC U1116-00: Lost Communication With Motor Electronics Coolant Pump >> General Description

DTC U1116-00: Lost Communication With Motor Electronics Coolant Pump: 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.

The coolant circulation of the hybrid cooling system is "Radiator → HPCU → Reservoir tank → EWP* → Generator (HSG) → Hybrid radiator".

If the coolant temperature of hybrid system is higher than the maximum point of GCU, GCU transmits "ON" signal to EWP via LIN communication and EWP transmits its operation to GCU.

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