Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000026DYT |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [09/2022 - 11/2022] |
Title: THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function (Gasoline Model, except TMMMS Made)): B277A96; Wireless Starter Component Internal Failure; 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022] |
DTC
|
B277A96
|
Wireless Starter Component Internal Failure
|
DESCRIPTION
If the remote engine start ECU*1 or DCM (telematics transceiver)*2 does not respond to the certification ECU (smart key ECU assembly) or the remote engine start ID is not registered, this DTC is stored.
HINT:
Registration status of the remote engine start ECU ID can be checked using the "Remote Engine Starter Registration Status" item in the Data List.*2
-
*1: w/ Genuine Remote Engine Start
-
*2: for Remote Connect Compatible Type
DTC No.
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Detection Item
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DTC Detection Condition
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Trouble Area
|
Note
|
B277A96
|
Wireless Starter Component Internal Failure
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One of the following conditions is met (1 trip detection logic*3):
-
A remote start communication error occurs.
-
Response is not possible.
-
Registration has not been performed.
|
-
CAN communication system
-
Remote engine start ECU*1
-
DCM (telematics transceiver)*2
-
Certification ECU (smart key ECU assembly)
|
DTC output confirmation operation:
-
A remote start operation is performed.
|
-
*1: w/ Genuine Remote Engine Start
-
*2: for Remote Connect Compatible Type
-
*3: Only output while a malfunction is present.
Vehicle Condition and Fail-safe Operation when Malfunction Detected
Vehicle Condition when Malfunction Detected
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Fail-safe Operation when Malfunction Detected
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Engine does not start with remote start operation
|
Engine cannot be started by remote start operation only
|
Related Data List and Active Test
DTC No.
|
Data List and Active Test
|
B277A96
|
Telematics
-
DCM (telematics transceiver)*
|
-
*: for Remote Connect Compatible Type
CAUTION / NOTICE / HINT
PROCEDURE
1.
|
CHECK CAN COMMUNICATION SYSTEM
|
(a) Check for CAN communication system DTCs.
HINT:
Click here
OK:
CAN communication DTCs are not output.
OK
|
|
|
(a) Choose the model to be inspected.
Result
|
Proceed to
|
w/ Genuine Remote Engine Start
|
A
|
for Remote Connect Compatible Type
|
B
|
A
|
|
|
3.
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REGISTER REMOTE ENGINE STARTER ID
|
(a) Register the remote engine starter ID.
OK:
Registration can be completed.
OK
|
|
|
4.
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CHECK REMOTE ENGINE STARTER FUNCTION
|
(a) Check the remote engine starter function.
OK:
Remote engine starter functions operate normally.
OK |
|
END (REMOTE ENGINE STARTER ID WAS NOT REGISTERED)
|
NG |
|
REPLACE REMOTE ENGINE START ECU
|
|