Toyota Avalon Service & Repair Manual: Lost Communication with Body Control Module "B" (U0142,U0155,U0163)

Toyota Avalon Service & Repair Manual / Audio, Visual, Telematics / Telematics / Telematics System(for Gasoline Model) / Lost Communication with Body Control Module "B" (U0142,U0155,U0163)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the CAN communication circuit.

HINT:

If CAN communication system DTCs are stored, they may also be stored for other systems.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0142

Lost Communication with Body Control Module "B"

Lost communication with main body ECU (multiplex network body ECU)

CAN communication system

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

Lost communication with combination meter assembly

CAN communication system

U0163

Lost Communication with Navigation Control Module

Lost communication with radio and display receiver assembly

CAN communication system

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Body Electrical > Telematics > Clear DTCs

(b) Recheck for DTCs and check if the same DTC is output again.

Body Electrical > Telematics > Trouble Codes

Result

Proceed to

DTCs are output.

A

DTCs are not output.

B

HINT:

  • If CAN communication system DTCs are stored, they may also be stored for other systems.
  • If the CAN communication system has been inspected and repaired, these DTCs will not be output when rechecking for DTCs.
  • If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again, even though the DTC was not output when rechecking for DTCs.

    Click here

A

GO TO CAN COMMUNICATION SYSTEM

B

USE SIMULATION METHOD TO CHECK

    Terminals Of Ecu

    Brake

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