Last Modified: 11-20-2023 |
6.11:8.1.0 |
Doc ID: RM100000001SAJS |
Model Year Start: 2021 |
Model: Camry |
Prod Date Range: [10/2020 -
] |
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (w/ Electric Parking Brake System): C124A00; ECM Communication; 2021 - 2024 MY Camry [10/2020 - ] |
DTC
|
C124A00
|
ECM Communication
|
DESCRIPTION
If the vehicle information stored by the skid control ECU (brake actuator assembly) does not match that sent from the ECM or a new skid control ECU (brake actuator assembly) is installed and the vehicle information has not been stored, this DTC is stored.
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
C124A00
|
ECM Communication
|
Engine, drive source and destination information sent from the ECM does not match the information of the skid control ECU or there is no information in memory.
|
-
ECM
-
Skid control ECU (brake actuator assembly)
|
CAUTION / NOTICE / HINT
NOTICE:
After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and system information memorization.
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PROCEDURE
1.
|
CHECK PART NUMBER (ECM)
|
(a) Check that the proper ECM is installed.
OK:
Proper ECM is installed.
(b) Check if the ECM was replaced before the DTC was stored.
OK:
ECM was not replaced.
Result
|
Proceed to
|
OK
|
A
|
NG (A proper ECM is not installed and/or the ECM was replaced.)
|
B
|
A
|
|
|
2.
|
CHECK PART NUMBER (BRAKE ACTUATOR ASSEMBLY)
|
(a) Check that a proper skid control ECU (brake actuator assembly) is installed.
OK:
Proper skid control ECU (brake actuator assembly) is installed.
(b) Check if the skid control ECU (brake actuator assembly) had been replaced before the DTC was stored.
OK:
Skid control ECU (brake actuator assembly) had not been replaced.
Result
|
Proceed to
|
OK
|
A
|
NG (The skid control ECU (brake actuator assembly) had been replaced.)
|
B
|
NG (A proper skid control ECU (brake actuator assembly) is not installed.)
|
C
|
B
|
|
|
3.
|
CONFIRM SYSTEM INFORMATION STORAGE
|
(a) Check that Store System Information (acceleration sensor zero point calibration and system information memorization) has been performed.
OK:
Store System Information has been performed.
HINT:
After installing a new skid control ECU (brake actuator assembly), DTCs C051D54 and C124A00 will be stored until system variant learning (acceleration sensor zero point calibration and system information memorization) is performed.
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