PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: U0100,U0126,U0140,U0163,U1110; Lost Communication with ECM / PCM "A"; 2018 - 2020 MY Sienna [11/2017

Last Modified: 04-05-2023	6.11:8.1.0	Doc ID: RM1000000018JBU
Model Year Start: 2018	Model: Sienna	Prod Date Range: [11/2017 - ]
Title: PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: U0100,U0126,U0140,U0163,U1110; Lost Communication with ECM / PCM "A"; 2018 - 2020 MY Sienna [11/2017 - ]

DTC

U0100

Lost Communication with ECM / PCM "A"

DTC

U0126

Lost Communication with Steering Angle Sensor Module

DTC

U0140

Lost Communication with Body Control Module

DTC

U0163

Lost Communication with Navigation Control Module

DTC

U1110

Lost Communication with Intuitive Parking Assist Module

DESCRIPTION

These DTCs are stored if there is a malfunction in the CAN communication system connected to the rear television camera assembly.

HINT:

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

DTC Code	DTC Detection Condition	Trouble Area
U0100	Lost Communication with ECM	CAN communication system
U0126	Lost communication with spiral cable with sensor sub-assembly	CAN communication system
U0140	Lost communication with main body ECU (multiplex network body ECU)	CAN communication system
U0163	Lost communication with radio and display receiver assembly	CAN communication system
U1110	Lost communication with clearance warning ECU assembly	CAN communication system

1.	CHECK DTC OUTPUT

(a) Clear the DTCs.

Click here

(b) Recheck for DTCs and check that no DTCs are output.

Click here

HINT:

If CAN communication system DTCs are stored, they may also be stored in other systems.
If the CAN communication system has been inspected and repaired in other systems, the 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 the inspection again, even though the DTC was not output when rechecking for DTCs.
Click here

Result	Proceed to
DTCs are output	A
No DTCs are output	B