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Tesla DI_a190

Rear tire tread depth low - Schedule service Inspect tires for rotation/replacement

Common search variants: DIa190 · DI-a190 · DI a190 · Search ignores case and common separators.

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceTesla recommends scheduling service for inspection of the tires for rotation or replacement.
Confidence95%

Quick answer

Tesla alert DI_a190 means the vehicle detected that the rear tires have worn more than the front tires by more than the recommended difference. It does not indicate a flat tire. Schedule service to have the tires inspected for rotation or replacement.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

Video guides

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Relevant videos play here without leaving this diagnostic page.

#DI_a190_tireRotataionRecommended Rear tire tread depth low Inspect tires for rotation replacementDigital EV Doctor (Tesla alert clear)
#Tesla #DI_a190_tireRotationRecommended Rear tire tread depth too low Inspect tires for rotation FixDigital EV Doctor (Tesla alert clear)
#tesla Rear tire tread depth too low Guide to fix it #DI_a190 tire inspection & rotationDigital EV Doctor (Tesla alert clear)

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

1. What does DI_a190 mean?

Tesla alert DI_a190 means the vehicle detected that the rear tires have worn more than the front tires by more than the recommended difference. It does not indicate a flat tire. Schedule service to have the tires inspected for rotation or replacement.

2. Technical explanation

Verified Tesla owner-manual material filed with NHTSA states that DI_a190 is a rear tire tread-depth alert. The alert is triggered when the vehicle detects that rear-tire wear over time exceeds the recommended difference relative to the front tires. The supplied evidence does not establish a specific tread-depth measurement, a mechanical fault, or a tire-pressure condition.

3. What system is affected?

Rear tires and tire-tread wear balance relative to the front tires.

4. How serious is this code?

Not yet established by verified evidence. The alert directs the owner to schedule service for tire inspection, rotation, or replacement.

5. Symptoms you may notice

  • The vehicle displays DI_a190: “Rear tire tread depth low - Schedule service Inspect tires for rotation/replacement.”
  • Rear tires have experienced more wear over time than the front tires, exceeding the recommended difference.

6. Possible causes

  • Verified condition: the detected rear-to-front tire-wear difference exceeds Tesla’s recommended difference.
  • Specific reasons for the unequal wear are 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

  • Schedule service to have the tires inspected for rotation or replacement.
  • Do not interpret DI_a190 by itself as a flat-tire indication; Tesla’s documentation expressly states that this alert does not indicate a flat tire.

10. Step-by-step troubleshooting

  1. Have the tires inspected by service for rotation or replacement, as directed by the alert.
  2. Further owner troubleshooting procedures are not yet established by verified evidence.

11. When to contact service

Tesla recommends scheduling service for inspection of the tires for rotation or replacement.

12. What the service center may check

  • Inspect rear and front tire tread wear and assess the detected difference.
  • Determine whether tire rotation or tire replacement is appropriate.

13. Possible repair or resolution

  • Tire rotation or tire replacement may be recommended after inspection. The exact resolution for an individual vehicle is not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication PDF 10250484, published December 1, 2023, contains Tesla owner-manual information for DI_a190: https://static.nhtsa.gov/odi/tsbs/2023/MC-10250484-9999.pdf
  • Additional NHTSA-filed Tesla owner-manual communications contain the same DI_a190 alert information. The supplied evidence does not establish a repair-specific TSB for this alert.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official NHTSA-filed Tesla owner-manual material: https://static.nhtsa.gov/odi/tsbs/2023/MC-10250484-9999.pdf. Verified applicability records identify US Tesla Model 3 (2013–2024 across overlapping records), Model S (2012–2024 across overlapping records), Model X (2016–2024 across overlapping records), and Model Y (2020–2024 across overlapping records). Exact applicability for a specific vehicle is not yet established by verified evidence.

19. Frequently asked questions

What does Tesla DI_a190 mean?

It means the vehicle detected that the rear tires have experienced more wear over time than the front tires, exceeding the recommended difference.

Does DI_a190 mean I have a flat tire?

No. Tesla’s documented alert text states that DI_a190 does not indicate a flat tire.

What should I do for DI_a190?

Schedule service to have the tires inspected for rotation or replacement.

Is it safe to continue driving or charging?

Not yet established by verified evidence.

20. Sources & verification

Accepted ResearchVerified
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Tesla DI_a190: Rear tire tread depth low - Schedule service Inspect… | EV Diagnostics