ASC SYSTEM, Diagnostic DTC:U0100, U0122, U0142, U0418, U0422

DTC Code	DTC Name
U0100	Lost Communication with ECM / PCM "A"
U0122	Lost Communication with Vehicle Dynamics Control Module
U0142	Lost Communication with Body Control Module "B"
U0418	Invalid Data Received From Brake System Control Module
U0422	Invalid Data Received from Body Control Module

DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
U0100	Lost Communication with ECM / PCM "A"	No communication with ECM	CAN communication system ECM Stereo component equalizer assembly
U0122	Lost Communication with Vehicle Dynamics Control Module	No communication with brake actuator assembly (skid control ECU)	CAN communication system Brake actuator assembly (skid control ECU) Stereo component equalizer assembly
U0142	Lost Communication with Body Control Module "B"	No communication with main body ECU (multiplex network body ECU)	CAN communication system Main body ECU (multiplex network body ECU) Stereo component equalizer assembly
U0418	Invalid Data Received From Brake System Control Module	Invalid data received from brake actuator assembly (skid control ECU)	CAN communication system Brake actuator assembly (skid control ECU) Stereo component equalizer assembly
U0422	Invalid Data Received from Body Control Module	Invalid data received from main body ECU (multiplex network body ECU)	CAN communication system Main body ECU (multiplex network body ECU) Stereo component equalizer assembly

PROCEDURE

CHECK DTC

Clear the DTCs.

Click here

Body Electrical > ASC > Clear DTCs

Recheck for DTCs and check that no DTCs are output.

Body Electrical > ASC > Trouble Codes

OK
DTCs U0100, U0122, U0142, U0418 and U0422 are not output.

Result

Result	Proceed to
OK	A
NG (for LHD)	B
NG (for RHD)	C

A

USE SIMULATION METHOD TO CHECK Click here

B

GO TO CAN COMMUNICATION SYSTEM Click here

C

GO TO CAN COMMUNICATION SYSTEM Click here