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DTC B2793: Transponder Chip Malfunction; DTC B2794: Unmatched Encryption Code; DTC B2795: Unmatched Key Code: Procedure

REREGISTER KEY
1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
2. Reregister the key code with the transponder key ECU assembly.
3. Check that the engine starts with the key.
  OK
  
  Engine starts.
NG → REPLACE KEY

OK → END