B2602 on the 2020 Nissan Versa
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| NTB20-031a | 2021-03-06. Service bulletin. KICKS AND VERSA SEDAN; INTELLIGENT KEY ERROR MESSAGE DISPLAYS AND DTC B2602 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
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| NTB20-031 | 2020-05-06. Service bulletin. KICKS AND VERSA SEDAN; INTELLIGENT KEY ERROR MESSAGE DISPLAYS AND DTC B2602 STORED IF YOU CONFIRM The Vehicle Information Display shows the message “Intelligent Key System Error” And DTC B2602 is found stored. NOTE: This incident usually occurs while driving the vehicle. ACTION Replace the Intelligent Key unit. • - If the vehicle’s current Intelligent Key unit part number is 285E1-5RB3A, replace it with 285E1-5EA0A. • - If the vehicle’s current Intelligent Key unit part number is 285E1-5RA6A, replace it with 285E1-5EA5A. |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.