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Home >> Lexus >> 2021 >> ES 250 Luxury >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Except Hybrid) - Diagnostic Codes (1 Of 4) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model) >> DTC C0063-1F: Yaw Rate Sensor Circuit Intermittent; DTC C0063-96: Yaw Rate Sensor Component Internal Failure; DTC C0520-1F: Multi-axis Acceleration Sensor Module "A" Circuit Intermittent [06/2018 - ] >> Description

DTC C0063-1F: Yaw Rate Sensor Circuit Intermittent; DTC C0063-96: Yaw Rate Sensor Component Internal Failure; DTC C0520-1F: Multi-axis Acceleration Sensor Module "A" Circuit Intermittent [06/2018 - ]: Description

The airbag ECU assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition.

These DTCs are stored when the skid control ECU (brake actuator assembly) receives a malfunction signal from the yaw rate and acceleration sensor (airbag ECU assembly).

DTC No. Detection Item DTC Detection Condition Trouble Area
C0063-1F Yaw Rate Sensor Circuit Intermittent When the voltage at terminal +BS is between 9.6 and 16.5 V, data malfunction signal is received from the yaw rate sensor (airbag ECU assembly) for 1 second or more. Yaw rate sensor (airbag ECU assembly)
C0063-96 Yaw Rate Sensor Component Internal Failure With the +BS terminal voltage between 9.6 and 16.5 V, a yaw rate sensor internal malfunction signal is received from the yaw rate sensor (airbag ECU assembly). Yaw rate sensor (airbag ECU assembly)
C0520-1F Multi-axis Acceleration Sensor Module "A" Circuit Intermittent When the voltage at terminal +BS is between 9.6 and 16.5 V, data malfunction signal is received from the acceleration sensor (airbag ECU assembly) for 10 seconds or more. Acceleration sensor (airbag ECU assembly)