Toyota Tundra Service Manual: Lost Communication With Image Processing Module "A" (U023A)

Toyota Tundra Service Manual / Vehicle Interior / Lighting / Lighting System / Lost Communication With Image Processing Module "A" (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 Image Processing Module "A"	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

(b) Check for DTCs.

Click here

OK:

DTC U023A is not output.

USE SIMULATION METHOD TO CHECK

GO TO CAN COMMUNICATION SYSTEM

See More:

Toyota Tundra Service Manual > Shift Lever Assembly(for Floor Shift Type): On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT SHIFT LEVER POSITION (a) When moving the shift lever from P to R with the ignition switch ON and brake pedal depressed, make sure that it moves smoothly and correctly into position. (b) Start the engine and make sure that the vehicle moves forward after mov ...

Toyota Tundra Service Manual: Lost Communication With Image Processing Module "A" (U023A)

Turn Signal Switch Circuit

Personal Light Assembly

See More:

Toyota Tundra Owners Manual

Toyota Tundra Service Manual