Lexus ES: Communication Error from VSC to ECM Invalid Serial Data Received (P163081)
DESCRIPTION
The skid control ECU (brake actuator assembly) sends signals such as brake request signals to the ECM. If an abnormal signal is detected, the ECM 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 ECM detects abnormal data sent from the skid control ECU (brake actuator assembly) for approximately 1 second or more. |
| Does not come on | Engine |
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the ECM, refer to Registration.
Click here .gif)
PROCEDURE
| 1. | CHECK FOR DTCs |
(a) Check for electronically controlled brake system DTCs.
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 | .gif) | GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
|
.gif)
| 2. | CHECK FOR DTCs |
(a) Clear the DTCs.
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.
Powertrain > Radar Cruise1 > Trouble Codes| Result | Proceed to |
|---|---|
| DTC P163081 is not output | A |
| DTC P163081 is output | B |
| A | | USE SIMULATION METHOD TO CHECK |
| B | | REPLACE ECM |
READ NEXT:
Communication Error from ECM to VSC Invalid Serial Data Received (P163181)
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 actuat
Communication Error from ECM to VSC Invalid Serial Data Received (P163181)
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 actuat
Lost Communication with ECM/PCM "A" Missing Message (U010087,U010487,U012287)
DESCRIPTION The ECM communicates with each sensor and ECU via CAN communication. If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored.
SEE MORE:
Hybrid/EV Battery State of Charge High (P0C3000)
DESCRIPTION The battery ECU assembly monitors the operation of the hybrid battery system and will store this DTC if it detects a malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P0C3000 Hybrid/EV Battery State of Charge High Even thou
Open in Outer Mirror Indicator(Master) (C1AB4)
DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects an open in the outer rear view mirror indicator RH. DTC No. Detection Item DTC Detection Condition Trouble Area C1AB4 Open in Outer Mirror Indicator(Master) Both of the following conditions are met:
The
