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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (HEV Battery System Diagnosis (PHEV) (2 Of 2)) >> DTC P1B77-00: Inverter Capacitor Precharging Fault >> DTC Information >> DTC Description

DTC 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.

After ignition "ON", the high voltage supply failure which is failed a precharge of invert capacitor is detected, the BCM ECU is set this DTC. The BMU monitors inverter capacitor voltage between the high voltage battery pack and MCU.

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