B2C20 on the 2025 Nissan Murano
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.
| NTB26-017 | 2026-04-29. Service bulletin. ENGINE NO START WITH KEY SYSTEM ERROR AND DTC B2C20-24 STORED IN THE BCM IF YOU CONFIRM The customer states the engine will not start and “Key System Error” warning is displaying in the Information Display (Combination Meter) (Figure 1), AND DTC B2C20-24 for "STARTER CONTROL RELAY" is stored in the BCM. Figure 1 HINT: This DTC and warning message (Figure 1) may occur if the customer does not place the vehicle in Park Gear according to the Owner’s Manual for shifter operation. ACTION 1. Confirm the current ECM part number. 2. Confirm the current TCM part number. 3. Reprogram the ECM, and then the TCM, if applicable. 4. Erase the DTCs. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. |
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1 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.