Lexus NX: 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
(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.
READ NEXT:
DESCRIPTION The main body ECU (multiplex network body ECU) controls the automatic high beam system based on signals received from the forward recognition camera. WIRING DIAGRAM CAUTION / NOTICE / HIN
COMPONENTS ILLUSTRATION *1 AUTOMATIC LIGHT CONTROL SENSOR *2 NO. 1 SPEAKER OPENING COVER ASSEMBLY
SEE MORE:
CAUTION / NOTICE / HINT NOTICE: When replacing the radio receiver assembly, always replace it with a new one. If a radio receiver assembly which was installed to another vehicle is used, the following may occur:
A communication malfunction DTC may be stored.
The radio receiver assembly may not
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. PRECAUTION NOTICE: After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary
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