Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Lost Communication with Main Body ECU (U0142)

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0142

Lost Communication with Main Body ECU

No communication with main body ECU (multiplex network body ECU)

  • CAN communication system
  • Main body ECU (multiplex network body ECU)

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the main body ECU (multiplex network body ECU), refer to Registration.

Click here

PROCEDURE

1.

GO TO CAN COMMUNICATION SYSTEM

HINT:

Refer to CAN Communication System.

Click here

NEXT

END

    Diagnostic Trouble Code Chart
    DIAGNOSTIC TROUBLE CODE CHART Power Mirror Control System (w/ Memory) DTC No. Detection Item Link U0142 Lost Communication with Main Body ECU ...

    Driver Side Power Mirror cannot be Adjusted with Power Mirror Switch
    DESCRIPTION The multiplex network master switch assembly sends the mirror adjust switch signals to the main body ECU (multiplex network body ECU) via LIN communication. The main body ECU (multiplex ne ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Meter / Gauge System: Short in Turn Signal / Hazard Flasher Circuit (B1508)
    DESCRIPTION This DTC is stored when the combination meter assembly detects a short in a turn signal light circuit. HINT: If there is a short in a turn signal light circuit, all of the turn signal lights in that circuit will not blink. DTC No. Detection Item DTC Detection Condition Trouble A ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Fuel Level Sensor "A" Signal Stuck In Range (P04602A)
    DESCRIPTION Refer to DTC P046012. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P04602A Fuel Level Sensor "A" Signal Stuck In Range The change in the fuel sender gauge value is below the threshold when a certain amount of fuel is calc ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2025 Copyright www.lexusrx.net
    0.0146