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.

OK

USE SIMULATION METHOD TO CHECK

NG

GO TO CAN COMMUNICATION SYSTEM

    Turn Signal Switch Circuit

    Personal Light Assembly

    See More:

    Toyota Tundra Service Manual > Touch Select 2-4 And High-low System: Automatic Disconnecting Differential Motor Control Circuit Open (P17A0,P17A1)
    DESCRIPTION This DTC is detected when an open circuit or short to ground in the A.D.D. shift motor drive circuit is detected. DTC Code DTC Detection Condition Diagnosis Condition Malfunction Status Malfunction Time Other Trouble Area P17A0 Ignition switch ON (when not switching between 2WD and 4H) O ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2024 Copyright www.ttundra.com
    0.0335