Code No.B1766: Transponder Registered for other Vehicle


caution Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.

TROUBLE JUDGMENT



PROBABLE CAUSES



  • Ignition key (encrypted code) is another vehicle’s key
  • Malfunction of immobilizer-ECU

DIAGNOSIS PROCEDURE


STEP 1. Check with another key that has already been registered.



Q. Is the diagnosis code set?





STEP 2. Check whether the diagnosis code is reset.



(1)Turn the ignition switch to the "LOCK" (OFF) position once, and then turn it to the ON position again.
(2)Check that diagnosis code No.B1766 is not set.

Q. Is diagnosis code No.B1766 set?