Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001CUPG |
Model Year Start: 2019 |
Model: Corolla Hatchback |
Prod Date Range: [06/2018 - 01/2019] |
Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM (for M20A-FKS): P163081; Communication Error from VSC to ECM Invalid Serial Data Received; 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019] |
DTC
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P163081
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Communication Error from VSC to ECM Invalid Serial Data Received
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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.
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Detection Item
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DTC Detection Condition
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Trouble Area
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MIL
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DTC Output from
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P163081
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Communication Error from VSC to ECM Invalid Serial Data Received
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w/o Full-speed Range Following Function:
-
When the vehicle speed is 30 km/h (20 mph) or more and 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.
w/ Full-speed Range Following Function:
-
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.
|
-
Electronically controlled brake system
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ECM
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Does not come on
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ECM
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CAUTION / NOTICE / HINT
NOTICE:
Before replacing the ECM, refer to Registration.
Click here
PROCEDURE
(a) Check for electronically controlled brake system DTCs.
Chassis > Brake/EPB > Trouble Codes
Result
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Proceed to
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Electronically controlled brake system DTCs are not output
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A
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Electronically controlled brake system DTCs are output
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B
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A
|
|
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(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
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Proceed to
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DTC P163081 is not output
|
A
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DTC P163081 is output
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B
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|