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Nissan B2902-42

2018-2019 LEAF (ZE1) APPLIED VIN: Vehicles built before 1N4AZ1(*)(*)(*)KC306826 APPLIED DATE: Vehicles built before January 8, 2019 APPLIED SYSTEM: Vehicles equipped with a 40 kWh

Common search variants: B290242 · B2902 42 · B2902_42 · Search ignores case and common separators.

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a Nissan dealer or qualified service facility, particularly if the EV Battery warning light is illuminated and B2902-42 is stored.
Confidence95%

Quick answer

For certain U.S. 2018–2019 Nissan LEAF (ZE1) vehicles with a 40 kWh lithium-ion battery, Nissan bulletin NTB20-017 addresses an EV Battery warning light with DTC B2902-42 stored in the Power Delivery Module (PDM). The bulletin directs a dealer to confirm the PDM part number and reprogram the PDM if 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 B2902-42 mean?

For certain U.S. 2018–2019 Nissan LEAF (ZE1) vehicles with a 40 kWh lithium-ion battery, Nissan bulletin NTB20-017 addresses an EV Battery warning light with DTC B2902-42 stored in the Power Delivery Module (PDM). The bulletin directs a dealer to confirm the PDM part number and reprogram the PDM if applicable.

2. Technical explanation

Verified evidence identifies B2902-42 in this context as a DTC stored in the Power Delivery Module (PDM) when the EV Battery warning light is on. Nissan’s documented action is to confirm the current PDM part number and, when applicable under the complete service procedure, reprogram the PDM. The supplied evidence does not establish a broader generic definition of B2902-42 beyond this bulletin-specific condition.

3. What system is affected?

Power Delivery Module (PDM); EV battery warning indication.

4. How serious is this code?

Unknown. The supplied verified evidence does not assign a severity level.

5. Symptoms you may notice

  • EV Battery warning light is on.
  • DTC B2902-42 is stored in the PDM.

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 service facility.
  • Do not attempt high-voltage battery or PDM repair procedures yourself.

10. Step-by-step troubleshooting

  1. Confirm whether the vehicle is a U.S. 2018–2019 Nissan LEAF (ZE1) with a 40 kWh lithium-ion battery.
  2. Confirm whether the vehicle was built before January 8, 2019 and before applied VIN 1N4AZ1(*)(*)(*)KC306826.
  3. Confirm that the EV Battery warning light is on and B2902-42 is stored in the PDM.
  4. Have the current PDM part number confirmed.
  5. Have the PDM reprogrammed if applicable under Nissan bulletin NTB20-017 and its complete service procedure.

11. When to contact service

Contact a Nissan dealer or qualified service facility, particularly if the EV Battery warning light is illuminated and B2902-42 is stored.

12. What the service center may check

  • Verify vehicle applicability: 2018–2019 LEAF (ZE1), 40 kWh lithium-ion battery, built before January 8, 2019 and before the bulletin’s applied VIN threshold.
  • Confirm the EV Battery warning light condition.
  • Confirm B2902-42 is stored in the PDM.
  • Confirm the current PDM part number.
  • Determine whether PDM reprogramming applies using the complete Nissan service procedure.

13. Possible repair or resolution

  • Nissan NTB20-017 directs confirmation of the PDM part number and PDM reprogramming if applicable.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Nissan NTB20-017, published March 16, 2020: applies to certain 2018–2019 LEAF (ZE1) vehicles with a 40 kWh lithium-ion battery, built before January 8, 2019 and before applied VIN 1N4AZ1(*)(*)(*)KC306826. It addresses the EV Battery warning light on with B2902-42 stored and directs PDM part-number confirmation and reprogramming if applicable.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

NHTSA manufacturer communication / Nissan bulletin NTB20-017: https://static.nhtsa.gov/odi/tsbs/2020/MC-10173556-0001.pdf

19. Frequently asked questions

What does B2902-42 indicate on an applicable Nissan LEAF?

Verified evidence shows that Nissan NTB20-017 addresses B2902-42 stored in the PDM together with an illuminated EV Battery warning light. A broader code definition is not established by the supplied evidence.

Which vehicles are covered by the bulletin?

Certain U.S. 2018–2019 Nissan LEAF (ZE1) vehicles equipped with a 40 kWh lithium-ion battery, built before January 8, 2019 and before applied VIN 1N4AZ1(*)(*)(*)KC306826.

What is Nissan’s documented repair direction?

Confirm the current PDM part number and reprogram the PDM if applicable, following the complete Nissan service procedure.

Is it safe to drive or charge with B2902-42?

Not yet established by verified evidence.

20. Sources & verification

Verified
Nissan B2902-42: 2018-2019 LEAF (ZE1) APPLIED VIN: Vehicles built… | EV Diagnostics