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Home >> Toyota >> 2021 >> 4Runner Trail, RWD >> 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 C0063-28: Yaw Rate Sensor Signal Bias Level Out of Range / Zero Adjustment Failure; DTC C0063-96: Yaw Rate Sensor Component Internal Failure [08/2019 - ] >> Description

DTC C0063-28: Yaw Rate Sensor Signal Bias Level Out of Range / Zero Adjustment Failure; DTC C0063-96: Yaw Rate Sensor Component Internal Failure [08/2019 - ]: Description

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.

If there is trouble in the bus lines between the acceleration sensor (air bag sensor assembly) and the CAN communication system, DTCs U0125-87 are set.

These DTCs are also output when calibration has not been completed.

DTC No. Detection Item DTC Detection Condition Trouble Area
C0063-28 Yaw Rate Sensor Signal Bias Level Out of Range / Zero Adjustment Failure With the vehicle stationary, the yaw rate sensor output value is not 0°/s. Yaw rate sensor (Air bag sensor assembly)
C0063-96 Yaw Rate Sensor Component Internal Failure When the +BS terminal voltage is from 9.5 to 17.4 V, a data malfunction signal is received from the yaw rate sensor. Yaw rate sensor (Air bag sensor assembly)