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Nissan B2E61

06 HINT: These DTCs are caused by an issue with a cloud-server that is related to the TCU. ACTION 1. Do NOT replace the TCU. Replacing the

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact an authorized Nissan dealer or qualified Nissan service facility if B2E61-06 is current in the TCU, particularly if remote-command service is affected.
Confidence95%

Quick answer

For applicable U.S. 2023–2024 Nissan ARIYA vehicles, DTC B2E61-06 displayed as current (CRNT) in the Telematics Control Unit (TCU) is identified in Nissan bulletin NTB21-037D as a cloud-server issue related to the TCU. Nissan instructs technicians not to replace the TCU for this condition.

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 B2E61 mean?

For applicable U.S. 2023–2024 Nissan ARIYA vehicles, DTC B2E61-06 displayed as current (CRNT) in the Telematics Control Unit (TCU) is identified in Nissan bulletin NTB21-037D as a cloud-server issue related to the TCU. Nissan instructs technicians not to replace the TCU for this condition.

2. Technical explanation

Verified Nissan service-bulletin evidence states that B2E61-06, when displayed as CRNT in the TCU, can be caused by an issue with a cloud server related to the TCU. The supplied evidence does not establish a component failure within the vehicle TCU itself. Nissan’s stated action is: do not replace the TCU.

3. What system is affected?

Telematics Control Unit (TCU) and its related cloud-server/remote-command service.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • B2E61-06 is displayed as CRNT (current) in the Telematics Control Unit (TCU).
  • The bulletin context references service remote commands.

6. Possible causes

  • An issue with a cloud server related to the TCU, according to Nissan bulletin NTB21-037D.

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

  • Record whether B2E61-06 is displayed as CRNT in the TCU.
  • Do not replace the TCU solely for the cloud-server-related condition described in Nissan bulletin NTB21-037D.
  • Have a Nissan service department evaluate the condition using the applicable Nissan bulletin.

10. Step-by-step troubleshooting

  1. Confirm vehicle applicability: U.S. Nissan ARIYA model years 2023–2024.
  2. Confirm that B2E61-06 is displayed as CRNT in the TCU.
  3. Refer to Nissan bulletin NTB21-037D for the manufacturer’s applicable service process.
  4. Do not replace the TCU for the cloud-server-related condition identified by the bulletin.

11. When to contact service

Contact an authorized Nissan dealer or qualified Nissan service facility if B2E61-06 is current in the TCU, particularly if remote-command service is affected.

12. What the service center may check

  • Verify B2E61-06 is current (CRNT) in the TCU.
  • Assess the condition under Nissan bulletin NTB21-037D.
  • Avoid TCU replacement for the cloud-server-related issue described by Nissan.

13. Possible repair or resolution

  • Nissan’s verified instruction is not to replace the TCU for this cloud-server-related condition.
  • Any further repair or resolution procedure is not yet established by the supplied verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Nissan NTB21-037D, published August 15, 2024: addresses B2E4B-06, B2E60-06, and B2E61-06 displayed as CRNT in the TCU; states these codes are caused by a cloud-server issue related to the TCU and instructs not to replace the TCU.
  • Nissan NTB21-037C, published July 31, 2023: addresses DTCs B2E4B-06, B2E60-06, and B2E61-06 displayed as CRNT in the TCU.

16. Recall information

  • No recall information was supplied in the verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 11006972, Nissan NTB21-037D: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2020-2024.zip#nhtsa_id=11006972

19. Frequently asked questions

What does Nissan B2E61-06 mean for an applicable ARIYA?

Nissan bulletin NTB21-037D states that B2E61-06 displayed as CRNT in the TCU is caused by an issue with a cloud server related to the TCU.

Should the TCU be replaced for B2E61-06?

No. Nissan’s bulletin specifically says not to replace the TCU for the cloud-server-related condition.

Which vehicles are covered by the supplied applicability data?

U.S. Nissan ARIYA vehicles for model years 2023–2024.

Is it safe to drive or charge with B2E61-06?

Not yet established by verified evidence.

20. Sources & verification

Verified
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