| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001F95Q |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - 12/2021] |
| Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM (for Gasoline Model): P163181; Communication Error from ECM to VSC Invalid Serial Data Received; 2019 - 2021 MY RAV4 [11/2018 - 12/2021] | ||
|
DTC |
P163181 |
Communication Error from ECM to VSC Invalid Serial Data Received |
DESCRIPTION
The skid control ECU (brake actuator assembly) sends signals such as brake request signals to the ECM. When the ECM detects logic error signals sent from the skid control ECU (brake actuator assembly) for a certain period of time, DTC P163181 is stored.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
DTC Output from |
|---|---|---|---|---|---|
|
P163181 |
Communication Error from ECM to VSC Invalid Serial Data Received |
When the ignition switch is ON and the dynamic radar cruise control system is operating, the ECM detects logic error signals sent from the skid control ECU (brake actuator assembly) for approximately 1 second or more. |
|
Does not come on |
Radar Cruise1 |
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the ECM, refer to Registration.
Click here
![2019 MY RAV4 [11/2018 - 10/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CHECK FOR DTCs (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) |
(a) Check for electronically controlled brake system DTCs.
Click here
Chassis > ABS/VSC/TRAC > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
Electronically controlled brake system DTCs are not output |
A |
|
Electronically controlled brake system DTCs are output |
B |
| B |
|
|
|
2. |
CHECK FOR DTCs (Radar Cruise1) |
(a) Clear the DTCs.
Click here
Powertrain > Radar Cruise1 > Clear DTCs
(b) Make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.
(c) Check for DTCs.
Click here
Powertrain > Radar Cruise1 > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTC P163181 is not output |
A |
|
DTC P163181 is output |
B |
| A |
|
| B |
|
REPLACE ECM
|
|
|