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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 36 (Electronically Controlled Brake System (HV) - Diagnostic Codes (06 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C110E-14: Brake Booster Motor "A" Supply Voltage Circuit Short to Ground or Open [12/2019 - 11/2023] >> Monitor Description

Monitor Description

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When the voltage at MRI1 drops due to a malfunction in the auxiliary battery and hybrid control system (charging circuit), the No. 2 skid control ECU (brake actuator assembly) judges that there is a drop in the power supply and illuminates the MIL and stores a DTC.

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