Lexus NX: Lost Communication with Front Camera Module (U023A)

Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Automatic High Beam System / Lost Communication with Front Camera Module (U023A)

DESCRIPTION

These DTCs are stored when the CAN communication system is malfunctioning.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U023A

Lost Communication with Front Camera Module

The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for approximately 10 seconds or more.

  • CAN communication system
  • Forward recognition camera
  • Main body ECU (multiplex network body ECU)

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Click here

Body Electrical > Main Body > Clear DTCs

(b) Check for DTCs.

Click here

Body Electrical > Main Body > Trouble Codes

OK:

DTC U023A is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

GO TO CAN COMMUNICATION SYSTEM

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