LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model without Cornering Light): U0100,U0101,U0120,U0126,U0129,U0151,U0155,U0163,U0164,U023A,U0327,U1106,U1117; Lost Communication With ECM/PCM "A"; 2019 - 2022 MY Avalon [04/2018

Last Modified: 08-21-2023	6.11:8.1.0	Doc ID: RM100000001AYCI
Model Year Start: 2019	Model: Avalon	Prod Date Range: [04/2018 - ]
Title: LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model without Cornering Light): U0100,U0101,U0120,U0126,U0129,U0151,U0155,U0163,U0164,U023A,U0327,U1106,U1117; Lost Communication With ECM/PCM "A"; 2019 - 2022 MY Avalon [04/2018 - ]

DTC

U0100

Lost Communication With ECM/PCM "A"

DTC

U0101

Lost Communication with TCM

DTC

U0120

Lost Communication With Starter / Generator Control Module

DTC

U0126

Lost Communication with Steering Angle Sensor Module

DTC

U0129

Lost Communication with Brake System Control Module

DTC

U0151

Lost Communication with Restraints Control Module

DTC

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

DTC

U0163

Lost Communication with Navigation Control Module

DTC

U0164

Lost Communication with HVAC Control Module

DTC

U023A

Lost Communication With Image Processing Module "A"

DTC

U0327

Software Incompatibility with Vehicle Security Control Module

DTC

U1106

Lost Communication with Electric Parking Brake Module

DTC

U1117

Lost Communication with Accessory Gateway

DESCRIPTION

These DTCs are stored if a CAN communication malfunction occurs between the main body ECU (multiplex network body ECU) and other ECUs.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from
U0100	Lost Communication With ECM/PCM "A"	The main body ECU (multiplex network body ECU) does not receive data from the ECM for approximately 10 seconds or more.	CAN communication system ECM	Main body ECU (multiplex network body ECU)
U0101	Lost Communication with TCM	The main body ECU (multiplex network body ECU) does not receive data from the ECM for approximately 10 seconds or more.	CAN communication system ECM	Main body ECU (multiplex network body ECU)
U0120	Lost Communication With Starter / Generator Control Module	The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for approximately 10 seconds or more.	CAN communication system Certification ECU (smart key ECU assembly)	Main body ECU (multiplex network body ECU)
U0126	Lost Communication with Steering Angle Sensor Module	The main body ECU (multiplex network body ECU) does not receive data from the steering sensor for approximately 10 seconds or more.	CAN communication system Steering sensor	Main body ECU (multiplex network body ECU)
U0129	Lost Communication with Brake System Control Module	The main body ECU (multiplex network body ECU) does not receive data from the skid control ECU (brake actuator assembly) for approximately 10 seconds or more.	CAN communication system Skid control ECU (brake actuator assembly)	Main body ECU (multiplex network body ECU)
U0151	Lost Communication with Restraints Control Module	The main body ECU (multiplex network body ECU) does not receive data from the airbag ECU assembly for approximately 10 seconds or more.	CAN communication system Airbag ECU assembly	Main body ECU (multiplex network body ECU)
U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module	The main body ECU (multiplex network body ECU) does not receive data from the combination meter assembly for approximately 10 seconds or more.	CAN communication system Combination meter assembly	Main body ECU (multiplex network body ECU)
U0163	Lost Communication with Navigation Control Module	The main body ECU (multiplex network body ECU) does not receive data from the radio and display receiver assembly for approximately 10 seconds or more.	CAN communication system Radio and display receiver assembly	Main body ECU (multiplex network body ECU)
U0164	Lost Communication with HVAC Control Module	The main body ECU (multiplex network body ECU) does not receive data from the air conditioning amplifier assembly for approximately 10 seconds or more.	CAN communication system Air conditioning amplifier assembly	Main body ECU (multiplex network body ECU)
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)
U0327	Software Incompatibility with Vehicle Security Control Module	The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for approximately 10 seconds or more.	CAN communication system Certification ECU (smart key ECU assembly)	Main body ECU (multiplex network body ECU)
U1106	Lost Communication with Electric Parking Brake Module	The main body ECU (multiplex network body ECU) does not receive data from the skid control ECU (brake actuator assembly) for approximately 10 seconds or more.	CAN communication system Skid control ECU (brake actuator assembly)	Main body ECU (multiplex network body ECU)
U1117	Lost Communication with Accessory Gateway	The main body ECU (multiplex network body ECU) does not receive data from the option connector (bus buffer ECU) for approximately 10 seconds or more.	CAN communication system Option connector (bus buffer ECU)	Main body ECU (multiplex network body ECU)