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Home >> Toyota >> 2020 >> Prius XLE >> Repair and Diagnosis >> External Pages >> Different car >> Section 374 (Electronically Controlled Brake System - Diagnostic Codes (C1415-U0073) & Symptom Tests (Hybrid)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C1442: Invalid Data Received from Deceleration Sensor; DTC C1443: Invalid Data Received from Yaw Rate Sensor [04/2018 - ] >> Procedure

DTC C1442: Invalid Data Received from Deceleration Sensor; DTC C1443: Invalid Data Received from Yaw Rate Sensor [04/2018 - ]: Procedure

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  1. CHECK DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [04/2018 - ]

      Chassis > ABS/VSC/TRAC > Clear DTCs 

    2. Turn the power switch off.
    3. Turn the power switch on (IG).
    4. Check if the same DTC is output.

      Refer to DTC CHECK / CLEAR [04/2018 - ]

      Chassis > ABS/VSC/TRAC > Trouble Codes 

      Result

      Result Proceed to
      DTCs C1442 and C1443 are not output. A
      DTCs C1442 and/or C1443 are output. B

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2018 - ] 

    Result: 

    REPLACE AIRBAG ECU ASSEMBLY. Refer to  REMOVAL [04/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - ]