DTC B2790: ID BOX EEPROM Malfunction [06/2015 - ]: Description

When an internal malfunction occurs in the ID code box (immobilizer code ECU), the certification ECU (smart key ECU assembly) stores this DTC.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Note
B2790	ID BOX EEPROM Malfunction	An internal malfunction occurs in the ID code box (immobilizer code ECU) (EEPROM access malfunction). (1 trip detection logic*)	ID code box (immobilizer code ECU) Certification ECU (smart key ECU assembly)	DTC output confirmation operation: An immobilizer set/unset operation is performed (the power switch is turned off or on (IG) while the key is being carried).

*: Only output while a malfunction is present.

VEHICLE CONDITION AND FAIL-SAFE OPERATION WHEN MALFUNCTION DETECTED

Vehicle Condition when Malfunction Detected	Fail-safe Operation when Malfunction Detected
Hybrid control system starting: Hybrid control system cannot be started next time Hybrid control system stopped: Hybrid control system cannot be started	-

RELATED DATA LIST AND ACTIVE TEST

DTC No.	Data List and Active Test
B2790	-