Code No.C1754: ACC/FCM Radar Calibration not Completed


caution
  • If there is any problem in the CAN bus lines, an incorrect diagnosis code may be set. Prior to this diagnosis, diagnose the CAN bus lines.
  • Whenever the ECU is replaced, ensure that the communication circuit is normal.

OPERATION



DIAGNOSIS CODE SET CONDITION




  • The ACC/DCM-ECU detects that the neutral position of its radar is not learned yet.

PROBABLE CAUSES



  • Neutral position of ACC/FCM-ECU radar not learned
  • Malfunction of ACC/FCM-ECU

DIAGNOSIS PROCEDURE

STEP 1. ACC/FCM-ECU radar calibration
Perform calibration of ACC/FCM-ECU radar calibration (Refer to ).

Q. Has the calibration succeeded?
This diagnosis is complete.
Go to Step 2

STEP 2. Check whether the diagnosis code is reset.

Q. Is diagnosis code No.C1754 set?
Replace the ACC/FCM-ECU (Refer to ).
This diagnosis is complete.