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Home >> Toyota >> 2021 >> 4Runner TRD Off-Road >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Vehicle Stability Control System (For Vacuum Brake Booster) - Diagnostic Codes (C0040-C137B) >> VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster) >> DTC C0063-1F: Yaw Rate Sensor Circuit Intermittent; DTC C0520-1F: Multi-axis Acceleration Sensor Module "A" Circuit Intermittent [08/2019 - ] >> Description

DTC C0063-1F: Yaw Rate Sensor Circuit Intermittent; DTC C0520-1F: Multi-axis Acceleration Sensor Module "A" Circuit Intermittent [08/2019 - ]: Description

The air bag sensor assembly has a built-in yaw rate and acceleration sensor.

The skid control ECU (brake actuator assembly) receives signals from the yaw rate and acceleration sensor (air bag sensor assembly) via the CAN communication system.

DTC No. Detection Item DTC Detection Condition Trouble Area
C0063-1F Yaw Rate Sensor Circuit Intermittent When voltage at terminal +BS is 9.5 to 17.4 V, sensor invalid information received from yaw rate sensor is ON continuously for 10 seconds or more. Yaw rate sensor (Air bag sensor assembly)
C0520-1F Multi-axis Acceleration Sensor Module "A" Circuit Intermittent When voltage at terminal +BS is 9.5 to 17.4 V, sensor invalid information received from acceleration sensor is ON continuously for 10 seconds or more. Acceleration sensor (Air bag sensor assembly)