DTC B278D: Malfunction of ID-BOX Recognition [12/2019 - 11/2023]: Procedure

1. Clear the DTCs.

   Body Electrical > Smart Key > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Check for DTCs.

   Body Electrical > Smart Key > Trouble Codes 

   HINT: 

   Before checking for DTCs, perform the "DTC Output Confirmation Operation" procedure.

   OK

   DTC B278D is not output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [12/2019 - 11/2023]