Toyota CH-R Service Manual: Lost Communication with Body Control Module "B" (U0142,U0155,U0163)

Toyota CH-R Service Manual / Cellular Communication / Toyota Entune System / 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

CHECK DTC

(a) Clear the DTCs.

Click here

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

GO TO CAN COMMUNICATION SYSTEM

USE SIMULATION METHOD TO CHECK

Dtc Check / Clear

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GPS Mark is not Displayed

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Other materials:

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DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when no resistance exists between terminal 18 (CA4H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central gateway ECU (network gateway ECU) and ...

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Toyota CH-R Service Manual: Lost Communication with Body Control Module "B" (U0142,U0155,U0163)

Dtc Check / Clear

GPS Mark is not Displayed

Other materials:

Toyota CH-R Owners Manual

Toyota CH-R Service Manual