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Home >> Toyota >> 2017 >> Mirai >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System - Diagnostic Codes (2 Of 2) & Circuit Tests >> Electronically Controlled Brake System >> DTC C1442-44: Invalid Data Received from Acceleration Sensor; DTC C1443-34: Invalid Data Received from Yaw Rate Sensor [06/2015 - ] >> Description

DTC C1442-44: Invalid Data Received from Acceleration Sensor; DTC C1443-34: Invalid Data Received from Yaw Rate Sensor [06/2015 - ]: Description

The skid control ECU (brake booster with master cylinder assembly) receives signals from the yaw rate and acceleration sensor (airbag ECU assembly) via the CAN communication system.

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

DTC No. Detection Item INF Code DTC Detection Condition Trouble Area Note
C1442/44 Invalid Data Received from Acceleration Sensor 572 With terminal IG1 voltage between 9.5 and 17.4 V, an invalid data signal is received from the acceleration sensor for 10 seconds or more. Acceleration sensor (Airbag ECU assembly) ABS DTC
C1443/34 Invalid Data Received from Yaw Rate Sensor 715 With terminal IG1 voltage between 9.5 and 17.4 V, an invalid data signal is received from the yaw rate sensor for 10 seconds or more. Yaw rate sensor (Airbag ECU assembly) VSC DTC