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Home >> Toyota >> 2020 >> Highlander L, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Hybrid Control System - Diagnostic Codes (3 Of 5)) >> Hybrid Control System >> DTC P0AFC-49: Hybrid/EV Battery Sensor Module Internal Electronic Failure [11/2023 - ] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2025 Toyota Highlander and 2024 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.

When the hybrid vehicle control ECU detects a low power supply voltage for the battery voltage sensor while pre-charge is occurring, it determines that there is a malfunction in the battery voltage sensor circuit. If the hybrid vehicle control ECU detects a malfunction, it will illuminate the MIL and store a DTC.

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