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Home >> Toyota >> 2021 >> 4Runner TRD Pro >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Vehicle Stability Control System (For Hydraulic Brake Booster) - Diagnostic Codes (C1422-U0073) & Symptom Tests >> VEHICLE STABILITY CONTROL SYSTEM (for Hydraulic Brake Booster) >> DTC C1422: Master Cylinder Pressure Sensor Zero Point High Malfunction; DTC C1456: Control Pressure Sensor Zero Point High [08/2019 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:

When replacing the master cylinder solenoid, perform calibration (Refer to CALIBRATION [08/2019 - ] ).

HINT: 

When DTC C1425 is output together with DTC C1422, inspect and repair the trouble areas indicated by DTC C1425 first (Refer to DTC C1425: Open in Stop Light Switch Circuit [08/2019 - ] ).