Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Lost Communication with Main Body ECU (U0142,U0208)

DESCRIPTION

The multiplex tilt and telescopic ECU receives signals from the main body ECU (multiplex network body ECU) and position control ECU and switch assembly LH via CAN communication.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0142

Lost Communication with Main Body ECU

Lost communication with main body ECU (multiplex network body ECU)

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

U0208

Lost Communication with "Seat Control Module A"

Lost communication with position control ECU and switch assembly LH

  • CAN communication system
  • Position control ECU and switch assembly LH

PROCEDURE

1.

GO TO CAN COMMUNICATION SYSTEM

(a) Go to CAN Communication System.

Click here

NEXT

END

    Tilt and Telescopic Manual Switch Circuit
    DESCRIPTION Different voltage values are sent to the multiplex tilt and telescopic ECU by operating the tilt and telescopic switch. The multiplex tilt and telescopic ECU then judges which motor and in ...

    Steering Column Assembly
    ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Lane Control System: Steering Pad Switch Circuit
    DESCRIPTION The forward recognition camera receives LTA main switch signals from the steering pad switch assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Safety Connect System: Red Indicator Remains On
    DESCRIPTION This means that the DCM (telematics transceiver) has detected a malfunction in the safety connect system and stored a DTC or specific vehicle control history (RoB) Code. PROCEDURE 1. CHECK DTC (a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the e ...

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

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

    © 2026 Copyright www.lexusrx.net
    0.0099