Toyota Tacoma 2015-2018 Service Manual: Lost Communication with Front Camera Module (U023A)

Toyota Tacoma 2015-2018 Service Manual / Lighting / Lighting System / Lost Communication with Front Camera Module (U023A)

DESCRIPTION

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

DTC No.		DTC Detecting Condition	Trouble Area
U023A	Lost Communication With Image Processing Module"A"	The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for approximately 10 secondsor 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 (b) Check for DTCs.

(b) Check for DTCs.

Click here OK:

OK:

DTC U023A is not output.

Result

Proceed to
OK
NG

USE SIMULATION METHOD TO CHECK

GO TO CAN COMMUNICATION SYSTEM

Automatic High Beam Camera (B124C)

DESCRIPTION The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera ...

Automatic High Beam System does not Operate or Operation Indicator does not Illuminate

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 ...

Other materials:

If your vehicle has to be stopped in an emergency
Only in an emergency, such as if it becomes impossible to stop the vehicle in the normal way, stop the vehicle using the following procedure: Steadily step on the brake pedal with both feet and firmly depress it. Do not pump the brake pedal repeatedly as this will increase the effort required ...

Removal
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Installation
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