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Tesla DIREL_a251

Gearbox fluid service recommended Schedule Service

Common search variants: DIRELa251 · DIREL-a251 · DIREL a251 · Search ignores case and common separators.

DriveYes. Verified Tesla owner-manual evidence states that the vehicle is OK to drive with this alert present. However, it also states that continuing to drive over an extended period with the alert present should be avoided.
ChargeNot yet established by verified evidence.
ServiceSchedule Tesla service. The verified Tesla guidance specifically recommends scheduling service for this alert.
Confidence95%

Quick answer

DIREL_a251 means the vehicle has detected a condition requiring gearbox fluid inspection. Tesla recommends scheduling service. Verified owner-manual evidence states the vehicle is OK to drive with this alert present, but warns against continuing to drive with it for an extended period.

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 DIREL_a251 mean?

DIREL_a251 means the vehicle has detected a condition requiring gearbox fluid inspection. Tesla recommends scheduling service. Verified owner-manual evidence states the vehicle is OK to drive with this alert present, but warns against continuing to drive with it for an extended period.

2. Technical explanation

This is a Tesla OEM alert titled “Gearbox fluid service recommended — Schedule Service.” The verified NHTSA-hosted Tesla owner-manual communications state: “Your vehicle has detected a condition requiring gearbox fluid inspection.” The supplied evidence does not establish the specific underlying fault, fluid condition, component failure, or required repair.

3. What system is affected?

Gearbox fluid / gearbox fluid inspection.

4. How serious is this code?

Unknown severity in the supplied diagnostic record. Tesla’s verified guidance recommends service and states that extended driving with the alert present should be avoided.

5. Symptoms you may notice

  • Displayed alert: “Gearbox fluid service recommended — Schedule Service.”
  • A condition requiring gearbox fluid inspection has been detected.

6. Possible causes

  • Not yet established by verified evidence. The evidence establishes only that the vehicle detected a condition requiring gearbox fluid inspection.

7. Can I still drive the vehicle?

Yes. Verified Tesla owner-manual evidence states that the vehicle is OK to drive with this alert present. However, it also states that continuing to drive over an extended period with the alert present should be avoided.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Schedule Tesla service for gearbox fluid inspection.
  • Avoid continuing to drive with the alert present for an extended period.
  • Do not attempt gearbox or high-voltage-system repairs yourself.

10. Step-by-step troubleshooting

  1. Review the active alert message in the vehicle.
  2. Arrange service as recommended by Tesla.
  3. No owner-performed diagnostic or repair procedure is established by the supplied verified evidence.

11. When to contact service

Schedule Tesla service. The verified Tesla guidance specifically recommends scheduling service for this alert.

12. What the service center may check

  • Inspect the gearbox fluid condition, as indicated by the alert meaning.
  • Further diagnostic checks are not established by the supplied verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence. The supplied sources recommend gearbox fluid inspection but do not specify the resulting repair or service procedure.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication PDF 10253661, published 2024-03-26: https://static.nhtsa.gov/odi/tsbs/2024/MC-10253661-9999.pdf
  • NHTSA Manufacturer Communication PDF 10253659, published 2024-03-26: https://static.nhtsa.gov/odi/tsbs/2024/MC-10253659-9999.pdf
  • NHTSA Manufacturer Communication PDF 10252962, published 2024-02-19: https://static.nhtsa.gov/odi/tsbs/2024/MC-10252962-9999.pdf
  • NHTSA Manufacturer Communication PDF 10252963, published 2024-02-19: https://static.nhtsa.gov/odi/tsbs/2024/MC-10252963-9999.pdf
  • NHTSA Manufacturer Communication PDF 10247843, published 2023-11-22: https://static.nhtsa.gov/odi/tsbs/2023/MC-10247843-9999.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified NHTSA-hosted Tesla owner-manual communications identify DIF_a251, DIR_a251, DIREL_a251, and DIRER_a251 as “Gearbox fluid service recommended — Schedule Service.” Applicability supplied for the United States includes Tesla Model S (2012–2024), Model X (2016–2024), and Model Y (2020–2023), with overlapping year ranges in the source data.

19. Frequently asked questions

What does Tesla alert DIREL_a251 mean?

It means the vehicle has detected a condition requiring gearbox fluid inspection.

Can I drive with DIREL_a251?

Yes. Tesla’s verified owner-manual guidance says the vehicle is OK to drive with this alert present, but advises against continuing to drive with it for an extended period.

Should I schedule service?

Yes. Tesla’s verified guidance recommends scheduling service.

Can I charge the vehicle with this alert?

Not yet established by verified evidence.

What repair will be needed?

Not yet established by verified evidence. The supplied evidence specifies gearbox fluid inspection, not a particular repair.

20. Sources & verification

Verified
Show all 21 verified sources
Tesla DIREL_a251: Gearbox fluid service recommended Schedule Service | EV Diagnostics