DTC B2790: ID BOX EEPROM Malfunction [10/2018 - 07/2022]: Procedure

1. Replace the ID code box (immobiliser code ECU) with a new one.

   HINT: 

   Refer to Registration.

   Refer to REGISTRATION [10/2018 - 10/2019] , or refer to REGISTRATION [10/2019 - 07/2022]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Clear the DTCs.

   Body Electrical > Smart Access > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Register the ECU communication ID codes.

   HINT: 

   Refer to Registration.

   Refer to REGISTRATION [10/2018 - 10/2019] , or refer to REGISTRATION [10/2019 - 07/2022]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Register the ECU communication ID codes.

   HINT: 

   Refer to Registration.

   Refer to REGISTRATION [10/2018 - 10/2019] , or refer to REGISTRATION [10/2019 - 07/2022]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  5

1. Check for DTCs.

   Body Electrical > Smart Access > Trouble Codes 

   HINT: 

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

   Result

   Result	Proceed to
   DTC B2790 is not output.	A
   DTC B2790 is output.	B

Result: 

A 

END (ID CODE BOX (IMMOBILISER CODE ECU) WAS DEFECTIVE) 

Result: 

B 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [10/2018 - 07/2022]