Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Internal Control Module Software Incompatibility Not Programmed (U030051)

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual / Vehicle Interior / Pre-collision / Pre-collision System / Internal Control Module Software Incompatibility Not Programmed (U030051)

DESCRIPTION

The forward recognition camera receives vehicle information from the ECM via CAN communication.

If the forward recognition camera cannot store the vehicle information, it will store this DTC.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U030051

Internal Control Module Software Incompatibility Not Programmed

When the engine switch is on (IG) for 3 seconds or more, the vehicle information sent from the ECM cannot be verified by the forward recognition camera for 3 seconds or more.
  • SFI system
  • Forward recognition camera
  • ECM

CAUTION / NOTICE / HINT

NOTICE:

  • 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 and a DTC may be stored.
  • If the forward recognition camera has been replaced with a new one, forward recognition camera adjustment must be performed.

    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) Using the Techstream, check for SFI system DTCs.

Powertrain > Engine > Trouble Codes

Result

Proceed to

SFI system DTCs are not output

A

SFI system DTCs are output

B
B

GO TO SFI SYSTEM

A

2.

CHECK FOR DTCs (HEALTH CHECK)

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: System Select / Health Check.

(e) Check DTCs.

(f) Turn the engine switch off.

OK:

DTCs indicating a vehicle information mismatch with the ECM are not output by any ECU other than the forward recognition camera.

OK

REPLACE FORWARD RECOGNITION CAMERA

NG

REPLACE ECM

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    DESCRIPTION The forward recognition camera receives vehicle information from the ECM via CAN communication. If the vehicle information stored in the forward recognition camera differs from that sent f ...

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