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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 [12/2019 - 10/2021] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
Monitor runs whenever the following DTCs are not stored C052D: ABS pump motor circuit high
C052E: ABS pump motor open circuit
C055B: ABS pump motor voltage circuit low
C141C (Case 1): Brake booster motor relay output shorted high
C141C (Case 2): Brake booster motor freewheeling MOS output shorted high
C141C (Case 3 to 10): Brake booster motor gate voltage output functional
C141D: Brake booster motor open circuit
C141E: Brake booster motor circuit high
C14C7 (Case 1 and 2): Brake system voltage circuit low
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