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Home >> Lexus >> 2024 >> TX 350 Luxury, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Dynamic Torque Control AWD System - Diagnostics - Introduction) >> Dynamic Torque Control AWD System >> Fail-Safe Chart [09/2023 - ] >> Fail-Safe Chart [09/2023 - ]
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Fail-Safe Chart [09/2023 - ]

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  1. FAIL-SAFE CHART 
    DYNAMIC TORQUE CONTROL AWD SYSTEM

    DTC No. Rob Code Trouble Area AWD Warning Message Fail-safe Operation Memory Fail-safe Deactivation Condition
    Front/Rear Distribution
    C05F5-1C - 4WD/AWD Front/Rear Range Actuator Control Circuit Performance Circuit Voltage Out of Range Displayed Prohibited Yes System returned to normal
    C123A-1C - Supply Voltage Circuit Circuit Voltage Out of Range Displayed Prohibited Yes Ignition switch off or voltage range normal
    U0100-87 - Lost Communication with ECM/PCM "A" Missing Message Displayed Partially Permitted Yes Communication returned to normal
    U0126-87 - Lost Communication with Steering Angle Sensor Module Missing Message Displayed Permitted Yes Communication returned to normal
    U0129-87 - Lost Communication with Brake System Control Module Missing Message Displayed Prohibited Yes Communication returned to normal
    - X2001 Steering Angle Sensor Malfunction Not displayed Permitted Yes Communication returned to normal
    - X2004 Speed Sensor Malfunction Not displayed Prohibited Yes Communication returned to normal
    - X204A Acceleration Sensor Malfunction Not displayed Permitted Yes Communication returned to normal
    - X2087 Engine Malfunction Not displayed Partially Permitted Yes Communication returned to normal
    - X2103 Four-Wheel Drive Control System Temperature High Displayed Prohibited Yes Ignition switch off
    - X2104 Different Diameter Tire Displayed Prohibited Yes Returned to normal
    - X263D 4WD/AWD Range Actuator Adjusted Value Not Written Not displayed Prohibited NO Restored by writing the correct value
    - XF021 Software Not Programmed Displayed Prohibited NO Restored by writing software