- CAN communication system
- ECM
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VIZS |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - 08/2016] |
| Title: POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: U0100,U0129; Lost Communication with ECM; 2016 MY Sienna [12/2015 - 08/2016] | ||
|
DTC |
U0100 |
Lost Communication with ECM |
|
DTC |
U0129 |
Lost Communication with Brake System Control Module |
DESCRIPTION
The power steering ECU receives signals from the ECM and the skid control ECU via the CAN communication system.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
U0100 |
ECM communication error |
|
|
U0129 |
Skid control ECU communication error |
|
HINT:
When two or more DTCs starting with [U] are output simultaneously, inspect the connectors and wire harness of each ECU.
PROCEDURE
|
1. |
RECONFIRM DTC |
(a) Clear the DTCs (See page
![2016 - 2020 MY Sienna [12/2015 - ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: DTC CHECK / CLEAR](/t3Portal/stylegraphics/info.gif)
).
(b) Check for DTCs.
OK:
DTC U0100 or U0129 is not output.
| OK |
|
| NG |
|
|
|