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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 37 (Electronically Controlled Brake System (HV) - Diagnostic Codes (08 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C12F8-12: ECB Solenoid Control "A" Circuit Short to Battery; DTC C12F8-14: ECB Solenoid Control "A" Circuit Short to Ground or Open [11/2023 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.
C12FA (CASE 1 AND 2)

Power supply for solenoid voltage Less than 3.3 V
C12FA (CASE 3)

Power supply for solenoid voltage Less than 6.0 V
C12FB (CASE 1)

Power supply for solenoid voltage 3.3 V or more
C12FB (CASE 2)

Power supply for solenoid voltage 6.0 V or more
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