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Nissan B2902

42 STORED IF YOU CONFIRM The EV Battery warning light is ON AND DTC B2902-42 (PDM POWER DELIVERY MODULE) is stored. ACTION 1. Confirm the current Power Delivery Module (PDM) part n

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService is appropriate because Nissan has issued bulletin NTB20-017 for the stated warning-light and B2902-42 condition. A dealer or qualified EV service provider should determine whether the bulletin applies to the vehicle and PDM part number.
Confidence95%

Quick answer

For certain 2018–2019 Nissan LEAF vehicles in the US, Nissan bulletin NTB20-017 addresses an EV Battery warning light with DTC B2902-42 stored, identified in the bulletin as relating to the Power Delivery Module (PDM). The bulletin directs confirmation of the current PDM part number and PDM reprogramming when applicable.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

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1. What does B2902 mean?

For certain 2018–2019 Nissan LEAF vehicles in the US, Nissan bulletin NTB20-017 addresses an EV Battery warning light with DTC B2902-42 stored, identified in the bulletin as relating to the Power Delivery Module (PDM). The bulletin directs confirmation of the current PDM part number and PDM reprogramming when applicable.

2. Technical explanation

Verified evidence identifies B2902-42 in Nissan bulletin NTB20-017 as a condition where the EV Battery warning light is on and DTC B2902-42 is stored. The bulletin refers to the PDM as the Power Delivery Module. The supplied evidence does not establish a broader technical definition of the code, a component failure mechanism, or diagnostic thresholds.

3. What system is affected?

Power Delivery Module (PDM), as identified in Nissan bulletin NTB20-017.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • EV Battery warning light illuminated.
  • DTC B2902-42 stored.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Arrange diagnosis by a Nissan dealer or qualified EV service provider.
  • Provide the stored code B2902-42 and reference Nissan bulletin NTB20-017.

10. Step-by-step troubleshooting

  1. Nissan bulletin NTB20-017 directs confirmation of the current Power Delivery Module part number.
  2. The bulletin directs reprogramming the PDM when applicable. Further procedure details are not established by the supplied verified evidence.

11. When to contact service

Service is appropriate because Nissan has issued bulletin NTB20-017 for the stated warning-light and B2902-42 condition. A dealer or qualified EV service provider should determine whether the bulletin applies to the vehicle and PDM part number.

12. What the service center may check

  • Confirm the current Power Delivery Module part number.
  • Determine whether PDM reprogramming is applicable under Nissan bulletin NTB20-017.

13. Possible repair or resolution

  • PDM reprogramming, if applicable under Nissan bulletin NTB20-017.
  • Any additional repair or replacement is not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Nissan NTB20-017, published March 16, 2020; NHTSA Manufacturer Communication 10173556. It applies to 2018–2019 Nissan LEAF vehicles in the US for an EV Battery warning light with B2902-42 stored, subject to the bulletin's conditions.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 10173556, Nissan bulletin NTB20-017: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2020-2024.zip#nhtsa_id=10173556

19. Frequently asked questions

What does B2902-42 mean on a 2018–2019 Nissan LEAF?

Verified evidence shows Nissan bulletin NTB20-017 addresses B2902-42 when the EV Battery warning light is on and identifies the related unit as the Power Delivery Module. A more complete technical meaning is not yet established by verified evidence.

What does Nissan's bulletin instruct for B2902-42?

It instructs confirmation of the current PDM part number and PDM reprogramming if applicable.

Is B2902-42 covered by a recall?

Not yet established by verified evidence.

20. Sources & verification

Verified
Nissan B2902: 42 STORED IF YOU CONFIRM The EV Battery warning light is… | EV Diagnostics