Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Software Incompatibility with Body Control Module Invalid/Incompatible Software Component (U032257)

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Engine & Hybrid System / Cruise Control / Front Camera System / Software Incompatibility with Body Control Module Invalid/Incompatible Software Component (U032257)

DESCRIPTION

The forward recognition camera receives vehicle information from the main body ECU (multiplex network body ECU) via CAN communication.

DTC U032257 is stored when the vehicle information from the main body ECU (multiplex network body ECU) and that stored in the forward recognition camera do not match.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U032257

Software Incompatibility with Body Control Module Invalid/Incompatible Software Component

The vehicle information from the main body ECU (multiplex network body ECU) and that stored in the forward recognition camera do not match.
  • Main body ECU (Multiplex network body ECU)
  • Forward recognition camera

CAUTION / NOTICE / HINT

NOTICE:

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

    Click here

  • When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.
  • If the forward recognition camera has been replaced with a new one, be sure to perform forward recognition camera adjustment.

    HINT:

    Forward recognition camera adjustment can be performed by using either One Time Recognition or Sequential Recognition.

    One Time Recognition: Click here

    Sequential Recognition: Click here

PROCEDURE

1.

CHECK FOR DTCs

(a) Check for DTCs.

Body Electrical > Front Radar Sensor > Trouble Codes

Result

Proceed to

Front radar sensor system DTC U030557 is not output

A

Front radar sensor system DTC U030557 is output

B
A

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

B

REPLACE FORWARD RECOGNITION CAMERA

    Software Incompatibility with Body Control Module Not Programmed (U032251)
    DESCRIPTION The forward recognition camera receives vehicle information from the main body ECU (multiplex network body ECU) via CAN communication. DTC U032251 is stored when the forward recognition ca ...

    Front Radar Sensor System
    ...

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

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

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