| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM1000000021J2E |
| Model Year Start: 2022 | Model: RAV4 HV | Prod Date Range: [12/2021 - ] |
| Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM (for HV Model): P163081; Communication Error from VSC to ECM Invalid Serial Data Received; 2022 - 2024 MY RAV4 HV [12/2021 - ] | ||
|
DTC |
P163081 |
Communication Error from VSC to ECM Invalid Serial Data Received |
DESCRIPTION
The No. 2 skid control ECU (brake actuator assembly) sends signals such as brake request signals to the hybrid vehicle control ECU assembly. If an abnormal signal is detected, the hybrid vehicle control ECU assembly stores DTC P163081.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
DTC Output from |
|---|---|---|---|---|---|
|
P163081 |
Communication Error from VSC to ECM Invalid Serial Data Received |
When the dynamic radar cruise control system is operating, the hybrid vehicle control ECU assembly detects abnormal data sent from the No. 2 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 hybrid vehicle control ECU assembly, refer to Registration.
w/ Smart Key System: Click here
![2022 - 2024 MY RAV4 HV [12/2021 - ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)
w/o Smart Key System: Click here
PROCEDURE
|
1. |
CHECK FOR DTCs (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) |
(a) Check for electronically controlled brake system DTCs.
Click here
Chassis > Brake/EPB > 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 P163081 is not output |
A |
|
DTC P163081 is output |
B |
| A |
|
| B |
|
REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY
|
|
|