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Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Hybrid Battery System (HEV) - Diagnostic Codes (2 Of 2), Symptom Tests & Circuit Tests) >> HYBRID BATTERY SYSTEM (for M20A-FXS) >> DTC P0E2D-00: Hybrid/EV Battery Energy Control Module Hybrid/EV Battery Monitor Performance [12/2022 - ] >> Monitor Description

Monitor Description

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The battery ECU assembly monitors its internal HV battery cell voltage detection circuits to detect malfunctions. If the battery ECU assembly detects a malfunction, it will illuminate the MIL and store a DTC.

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