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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 65 (Electronically Controlled Brake System (HV) - Diagnostic Codes (10 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C14C9-A2: Electronic Brake Booster Control Module "A" System Voltage Low [11/2023 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

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All of the following conditions are met 0.054 seconds or more
Brake system voltage 1 7.3 V or less
Motor relay over current state On
Judgment permission having poor motor output by the power supply voltage drop On