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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Electronically Controlled Brake System (HV) - Diagnostic Codes (07 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C126E-15: Reservoir Level Switch Circuit Short to Battery or Open [11/2023 - ] >> Monitor Description

Monitor Description

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When the voltage at terminal LBL of the No. 1 skid control ECU (brake booster with master cylinder assembly) is a specific value or more (open circuit judgment range) for a certain amount of time, the No. 2 skid control ECU (brake actuator assembly) judges that there is an open in the fluid level warning switch circuit and illuminates the MIL and stores this DTC.

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