If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be stored. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C, Trouble code diagnosis ).
Whenever ECU is replaced, ensure that the CAN bus lines are normal.
When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steering wheel sensor and the G and yaw rate sensor (Refer to and ).
DIAGNOSTIC TROUBLE CODE SET CONDITIONS
This diagnostic trouble code is stored when the brake fluid is not filled in the hydraulic unit.
PROBABLE CAUSES
Different hydraulic unit (For delivery to factory)
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