If there is any problem in the CAN bus lines, an incorrect DTC may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C - CAN Bus Diagnostics Table ).
Whenever ECU is replaced, ensure that the CAN bus lines are normal.
DTC SET CONDITIONS
This DTC is set when the brake fluid is not filled in the hydraulic unit.
PROBABLE CAUSES
Different hydraulic unit (For delivery to factory)
ASC-ECU malfunction
DIAGNOSIS
Check whether the DTC is set again.
(1) Turn the ignition switch to the "LOCK" (OFF) position.
(2) Turn the ignition switch to the "ON" position.
Is DTC C1395 set?
Replace the hydraulic unit (integrated with ASC-ECU) (Refer to ).
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/How to Cope with Intermittent Malfunctions ).
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Replace the hydraulic unit (integrated with ASC-ECU) (Refer to 
).
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/How to Cope with Intermittent Malfunctions