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Tesla DI_a175

Cruise control unavailable

Common search variants: DIa175 · DI-a175 · DI a175 · 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 that service is required. The diagnostic record lists service-required status as unknown. Contact Tesla Service if the alert remains after the verified operating conditions have been checked.
Confidence95%

Quick answer

Tesla alert DI_a175 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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How to fix Tesla "Cruise control unavailable" alert #DI_a175Digital EV Doctor (Tesla alert clear)

Videos are supporting material and never override OEM or regulator evidence.

1. What does DI_a175 mean?

Tesla alert DI_a175 means Cruise Control, including Traffic-Aware Cruise Control, is currently unavailable.

2. Technical explanation

Verified Tesla owner-manual material filed with NHTSA states that DI_a175 indicates Cruise Control, including Traffic-Aware Cruise Control, is currently unavailable. The supplied evidence identifies several conditions that might make it unavailable: the driver canceled the request, the driver unbuckled the seatbelt, the front trunk, trunk, or a door is open, or the vehicle is traveling below the Cruise Control minimum speed. The supplied excerpt is truncated after that point; additional causes or instructions 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

  • Cruise Control is unavailable.
  • Traffic-Aware Cruise Control is unavailable.

6. Possible causes

  • The driver canceled the Cruise Control 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.

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

  • Confirm the driver seatbelt is buckled.
  • Confirm the front trunk, trunk, and doors are closed.
  • Attempt to use Cruise Control only when the vehicle is at or above its applicable minimum Cruise Control speed.
  • If the alert remains, consult the applicable Tesla Owner's Manual or contact Tesla Service.

10. Step-by-step troubleshooting

  1. Check whether Cruise Control was canceled by the driver.
  2. Check whether the driver seatbelt is unbuckled.
  3. Check whether the front trunk, trunk, or any door is open.
  4. Check whether the vehicle is below the Cruise Control minimum speed.

11. When to contact service

Not yet established by verified evidence that service is required. The diagnostic record lists service-required status as unknown. Contact Tesla Service if the alert remains after the verified operating conditions have been checked.

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 10250484, published December 1, 2023, contains Tesla owner-manual information describing DI_a175. It is documentation of the alert meaning and possible operating conditions, not verified evidence of a repair procedure.
  • NHTSA Manufacturer Communication 10253666, published March 27, 2024, contains Tesla owner-manual information describing DI_a175.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official NHTSA-hosted Tesla owner-manual communications identify DI_a175 as “Cruise control unavailable.” Example: https://static.nhtsa.gov/odi/tsbs/2023/MC-10250484-9999.pdf

19. Frequently asked questions

What does Tesla DI_a175 mean?

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

Can an unbuckled seatbelt cause DI_a175?

Yes. Tesla owner-manual material lists an unbuckled driver seatbelt as a condition that might make Cruise Control unavailable.

Can an open door or trunk cause DI_a175?

Yes. Tesla owner-manual material lists an open front trunk, trunk, or door as a condition that might make Cruise Control unavailable.

Is the vehicle safe to drive or charge with DI_a175?

Not yet established by verified evidence. Both safe-to-drive and safe-to-charge status are listed as unknown in the diagnostic record.

20. Sources & verification

Accepted ResearchVerified
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Tesla DI_a175: Cruise control unavailable | EV Diagnostics