TELEMATICS: TELEMATICS SYSTEM: U0142,U0155,U0163; Lost Communication with Body Control Module "B"; 2019 MY RAV4 RAV4 HV [11/2018

Last Modified: 01-30-2024	6.11:8.1.0	Doc ID: RM100000001EFF9
Model Year Start: 2019	Model: RAV4	Prod Date Range: [11/2018 - 02/2019]
Title: TELEMATICS: TELEMATICS SYSTEM: U0142,U0155,U0163; Lost Communication with Body Control Module "B"; 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]

DTC

U0142

Lost Communication with Body Control Module "B"

DTC

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

DTC

U0163

Lost Communication with Navigation Control Module

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

CHECK DTC

(a) Clear the DTCs.

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

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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.
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