| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJ8H |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - 11/2017] |
| Title: PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: U0073,U0126,U0129,U0140,U1110; Control Module Communication Bus Off; 2016 - 2017 MY Sienna [12/2015 - 11/2017] | ||
|
DTC |
U0073 |
Control Module Communication Bus Off |
|
DTC |
U0126 |
Lost Communication with Steering Angle Sensor Module |
|
DTC |
U0129 |
Lost Communication with Brake System Control Module |
|
DTC |
U0140 |
Lost Communication with Main Body ECU |
|
DTC |
U1110 |
Lost Communication with Clearance Sonar Module |
DESCRIPTION
These DTCs are stored if there is a malfunction in the CAN communication system connected to the parking assist ECU.
HINT:
If CAN communication system DTCs are stored, they may also be stored in other systems.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
U0073 |
Control module communication bus off |
CAN communication system |
|
U0126 |
Lost communication with steering angle sensor |
|
|
U0129 |
Lost communication with brake system |
|
|
U0140 |
Lost communication with main body ECU |
|
|
U1110 |
Lost communication with clearance sonar module |
PROCEDURE
|
1. |
CHECK DTC OUTPUT |
(a) Clear the DTCs (See page
![2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: DTC CHECK / CLEAR](/t3Portal/stylegraphics/info.gif)
).
(b) Check for DTCs (See page
).
Result
|
Result |
Proceed to |
|---|---|
|
DTC is output |
A |
|
No DTC is output |
B |
HINT:
- 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 (See page
).
| A |
|
GO TO CAN COMMUNICATION SYSTEM (See page
|
| B |
|
USE SIMULATION METHOD TO CHECK (See page
|
|
|