LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2021 >> Mirai Limited >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System - Diagnostic Codes (4 Of 4), Circuit Tests, Symptom Tests >> Electronically Controlled Brake System >> DTC U0110-00: Lost Communication with Drive Motor Control Module "A"; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0293-00: Lost Communication with Hybrid/EV Powertrain Control Module; DTC U1106-00: Lost Communication with Electric Parking Brake Module; DTC U1150-00: Lost Communication with Hybrid Powertrain Control Module (ch2); DTC U117D-87: Lost Communication with Brake System Control Module (ch4) Missing Message; DTC U1492-57: Software incompatibility with Hybrid/EV Powertrain Control Module Invalid/Incompatible Software Component [12/2023 - ] >> Procedure

DTC U0110-00: Lost Communication with Drive Motor Control Module "A"; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0293-00: Lost Communication with Hybrid/EV Powertrain Control Module; DTC U1106-00: Lost Communication with Electric Parking Brake Module; DTC U1150-00: Lost Communication with Hybrid Powertrain Control Module (ch2); DTC U117D-87: Lost Communication with Brake System Control Module (ch4) Missing Message; DTC U1492-57: Software incompatibility with Hybrid/EV Powertrain Control Module Invalid/Incompatible Software Component [12/2023 - ]: Procedure

  1. CHECK DTC (HEALTH CHECK) 
    1. Perform the Health Check using the GTS.

      Result

      Result Proceed to
      DTCs other than CAN communication system DTCs are output A
      Only CAN communication system DTCs are output B
      Other than above C

    Result: 

    GO TO DIAGNOSTIC TROUBLE CODE CHART (RELATED SYSTEM) 

    Result: 

    INSPECT CAN COMMUNICATION SYSTEM 

    w/ Front LiDAR Sensor: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2023 - ]

    w/o Front LiDAR Sensor: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2023 - ]

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2020 - ]