- Communication circuit
- Brake actuator assembly (Skid control ECU)
- ECM
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000ZX9M |
| Model Year Start: 2017 | Model: Sienna | Prod Date Range: [08/2016 - 11/2017] |
| Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: P163081; Communication Error from VSC to ECM Invalid Serial Data Received; 2017 MY Sienna [08/2016 - 11/2017] | ||
|
DTC |
P163081 |
Communication Error from VSC to ECM Invalid Serial Data Received |
DESCRIPTION
The skid control ECU sends signals such as cruise control cancel signals and brake demand response signals to the ECM when the dynamic radar cruise control system is in operation.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
MIL |
|---|---|---|---|
|
P163081 |
While the dynamic radar cruise control is either preparing for operation or operating, if communication data from the skid control ECU is logically inconsistent for a certain amount of time, the ECM records this logical error code |
|
Does not come on |
PROCEDURE
|
1. |
CHECK DTC (CAN COMMUNICATION SYSTEM) |
(a) Check for DTCs (See page
![2017 MY Sienna [08/2016 - 11/2017]; NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM](/t3Portal/stylegraphics/info.gif)
).
| NG |
|
|
|
2. |
REPLACE BRAKE ACTUATOR ASSEMBLY |
(a) Replace the brake actuator assembly (See page
).
|
|
3. |
CHECK DTC (RADAR CRUISE CONTROL SYSTEM) |
(a) Clear the DTCs (See page
).
(b) Perform the following to make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the malfunction cannot be detected.
(1) Drive the vehicle at a speed of 50 km/h (30 mph) or more.
(2) Turn the cruise control main switch on.
(c) Check for DTCs (See page
).
Result
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC P163081 is output |
B |
| A |
|
END |
| B |
|
|
|