Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001D0N9 |
Model Year Start: 2019 |
Model: GR Corolla |
Prod Date Range: [06/2018 - 11/2022] |
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM (for Gasoline Model (w/o Safe Exit Assist Function)): C1AB8; Destination Information Undefined; 2019 - 2023 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 11/2022] |
DTC
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C1AB8
|
Destination Information Undefined
|
DESCRIPTION
This DTC is stored when correct destination information is not sent from the main body ECU (multiplex network body ECU) and destination information cannot be confirmed after a blind spot monitor sensor has been replaced.
Blind Spot Monitor Master
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
C1AB8
|
Destination Information Undefined
|
The blind spot monitor sensor cannot communicate with the main body ECU
|
-
CAN communication system
-
Main body ECU (multiplex network body ECU)
-
Blind spot monitor sensor LH
|
Blind Spot Monitor Slave
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
C1AB8
|
Destination Information Undefined
|
The blind spot monitor sensor cannot communicate with the main body ECU
|
-
CAN communication system
-
Main body ECU (multiplex network body ECU)
-
Blind spot monitor sensor RH
|
CAUTION / NOTICE / HINT
NOTICE:
-
When checking for DTCs, make sure that the blind spot monitor system is turned on.
-
Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.
PROCEDURE
(a) Check for CAN communication system DTCs.
Click here
OK:
CAN communication system DTCs are not output.
OK
|
|
|
2.
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REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
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(a) Replace the main body ECU (multiplex network body ECU) with a new or known good one.
Click here
NEXT
|
|
|
(a) Recheck for DTCs and check if the same DTC is output again.
Body Electrical > Blind Spot Monitor Master > Trouble Codes
Body Electrical > Blind Spot Monitor Slave > Trouble Codes
Result
|
Proceed to
|
No DTCs are output
|
A
|
DTC C1AB8 is output ("Blind Spot Monitor Master")
|
B
|
DTC C1AB8 is output ("Blind Spot Monitor Slave")
|
C
|
A |
|
END
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