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Home >> Toyota >> 2020 >> Highlander L, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 93 (Dynamic Torque Control AWD System - Diagnostic Codes, Symptom Tests & Circuit Tests) >> Dynamic Torque Control AWD System >> DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0131-87: Lost Communication With Power Steering Control Module Missing Message [12/2019 - ] >> Description

DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0131-87: Lost Communication With Power Steering Control Module Missing Message [12/2019 - ]: Description

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DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory
U0100-87 Lost Communication with ECM/PCM "A" Missing Message
  1. When both of the following continue for 2 seconds or more:
    • The voltage of the IG1 terminal is 10 V or more.
    • At a vehicle speed of 60 km/h (38 mph) or more, communication with the ECM cannot be performed.
  • CAN communication system
  • 4WD ECU assembly
  • ECM
 Displayed Yes
U0125-87 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message
  1. When both of the following continue for 1 second or more:
    • The voltage of the IG1 terminal is 10 V or more.
    • At a vehicle speed of 60 km/h (38 mph) or more, communication with the yaw rate and acceleration sensor (airbag sensor assembly) cannot be performed.
  • CAN communication system
  • 4WD ECU assembly
  • Yaw rate and acceleration sensor (airbag sensor assembly)
 Displayed Yes
U0126-87 Lost Communication with Steering Angle Sensor Module Missing Message
  1. When both of the following continue for 1 second or more:
    • The voltage of the IG1 terminal is 10 V or more.
    • Communication with the skid control ECU (brake actuator assembly) cannot be performed.
  • CAN communication system
  • 4WD ECU assembly
  • Steering sensor
 Displayed Yes
U0129-87 Lost Communication with Brake System Control Module Missing Message
  1. When both of the following continue for 3 seconds or more:
    • The voltage of the IG1 terminal is 10 V or more.
    • Communication with the skid control ECU (brake actuator assembly) cannot be performed.
  • CAN communication system
  • 4WD ECU assembly
  • Skid control ECU (Brake actuator assembly)
 Displayed Yes
U0131-87 Lost Communication With Power Steering Control Module Missing Message
  1. When the following continues for 1 second or more:
    • The voltage of the IG1 terminal is 10 V or more.
    • Communication with the power steering ECU (rack and pinion power steering gear assembly) cannot be performed.
  • CAN communication system
  • 4WD ECU assembly
  • Power steering ECU (Rack and pinion power steering gear assembly)
 Displayed Yes
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