Verified EV diagnostic knowledge page

Tesla DI_u015

Cruise control unavailable

Common search variants: DIu015 · DI-u015 · DI u015 · Search ignores case and common separators.

DriveNot yet established by verified evidence. The diagnostic record lists safe-to-drive status as unknown.
ChargeNot yet established by verified evidence. The diagnostic record lists safe-to-charge status as unknown.
ServiceNot yet established by verified evidence. The diagnostic record lists service-required status as unknown.
Confidence95%

Quick answer

Tesla alert DI_u015 means Cruise Control, including Traffic-Aware Cruise Control, is currently unavailable.

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 DI_u015 mean?

Tesla alert DI_u015 means Cruise Control, including Traffic-Aware Cruise Control, is currently unavailable.

2. Technical explanation

Verified Tesla owner-documentation evidence filed with NHTSA identifies DI_u015 as “Cruise control unavailable.” The alert applies to the availability of Cruise Control, including Traffic-Aware Cruise Control. Verified evidence lists several conditions that can make Cruise Control unavailable: the driver canceled the request, the driver unbuckled the seatbelt, a front trunk, trunk, or door is open, or the vehicle is traveling below the Cruise Control minimum speed. The supplied evidence is truncated after that point; additional causes are not yet established by verified evidence.

3. What system is affected?

Cruise Control, including Traffic-Aware Cruise Control.

4. How serious is this code?

Not yet established by verified evidence. The diagnostic record lists severity as unknown.

5. Symptoms you may notice

  • A “Cruise control unavailable” alert is displayed.
  • Cruise Control, including Traffic-Aware Cruise Control, is currently unavailable.

6. Possible causes

  • The driver canceled the request.
  • The driver unbuckled their seatbelt.
  • The front trunk, trunk, or a door is open.
  • The vehicle is traveling below the Cruise Control minimum speed.
  • Additional causes are not yet established by verified evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence. The diagnostic record lists safe-to-drive status as unknown.

8. Can I charge the vehicle?

Not yet established by verified evidence. The diagnostic record lists safe-to-charge status as unknown.

9. What you can safely do

  • Ensure the driver seatbelt is buckled.
  • Check that the front trunk, trunk, and doors are closed.
  • Confirm the vehicle is traveling at or above the Cruise Control minimum speed specified for the vehicle.
  • If Cruise Control remains unavailable after these conditions are addressed, further action is not yet established by verified evidence.

10. Step-by-step troubleshooting

  1. Review whether the Cruise Control request was canceled by the driver.
  2. Verify that the driver seatbelt is buckled.
  3. Verify that the front trunk, trunk, and doors are closed.
  4. Verify the vehicle is not below the Cruise Control minimum speed.
  5. No further diagnostic procedure is established by the supplied verified evidence.

11. When to contact service

Not yet established by verified evidence. The diagnostic record lists service-required status as unknown.

12. What the service center may check

  • Not yet established by verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA manufacturer communication MC-10253660-9999, published March 26, 2024: Tesla owner documentation includes DI_u015.
  • NHTSA manufacturer communication MC-10253658-9999, published March 26, 2024: Tesla owner documentation includes DI_u015.
  • NHTSA manufacturer communications MC-10252957-9999 and MC-10252958-9999, published February 13, 2024: Tesla owner documentation includes DI_u015.
  • NHTSA manufacturer communications MC-10252949-9999 and MC-10252951-9999, published February 7, 2024: Tesla owner documentation includes DI_u015.
  • These supplied communications provide owner-documentation evidence; no repair bulletin or repair procedure is established by the evidence.

16. Recall information

  • No recall is established by the supplied verified evidence.

17. Official manufacturer information

Official NHTSA-filed Tesla documentation: https://static.nhtsa.gov/odi/tsbs/2024/MC-10253660-9999.pdf

19. Frequently asked questions

What does Tesla DI_u015 mean?

It means Cruise Control, including Traffic-Aware Cruise Control, is currently unavailable.

Why can DI_u015 appear?

Verified documentation lists a canceled driver request, an unbuckled driver seatbelt, an open front trunk, trunk, or door, and vehicle speed below the Cruise Control minimum speed.

Does DI_u015 establish that the vehicle is unsafe to drive or charge?

No. Safe-to-drive and safe-to-charge status are listed as unknown in the supplied diagnostic record.

20. Sources & verification

Verified
Show all 24 verified sources
Tesla DI_u015: Cruise control unavailable | EV Diagnostics