Verified EV diagnostic knowledge page

Tesla TAS_a313

Adaptive ride control degraded Ride comfort may be reduced

Common search variants: TASa313 · TAS-a313 · TAS a313 · Search ignores case and common separators.

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceTesla service should be scheduled at the earliest convenience. The supplied evidence does not establish whether immediate service, towing, or a driving restriction is required.
Confidence95%

Quick answer

TAS_a313 means the Tesla Adaptive Suspension Damping system has an issue. Real-time damping adjustment is unavailable, and ride comfort may be reduced. Tesla/NHTSA owner-documentation evidence recommends scheduling service at the earliest convenience.

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

Video guides

Watch Videos

Relevant videos play here without leaving this diagnostic page.

No sufficiently relevant embeddable video has been accepted for this diagnostic yet.

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

1. What does TAS_a313 mean?

TAS_a313 means the Tesla Adaptive Suspension Damping system has an issue. Real-time damping adjustment is unavailable, and ride comfort may be reduced. Tesla/NHTSA owner-documentation evidence recommends scheduling service at the earliest convenience.

2. Technical explanation

Verified Tesla documentation states that, when TAS_a313 is present, the Adaptive Suspension Damping system cannot make real-time suspension adjustments to optimize ride and handling. Instead, all dampers receive fixed current. The alert can be set by various conditions; a specific underlying cause is not established by the supplied verified evidence. The alert can only be cleared by a service technician after the vehicle has been serviced.

3. What system is affected?

Tesla Adaptive Suspension Damping system.

4. How serious is this code?

Unknown. The supplied diagnostic record does not establish a severity classification.

5. Symptoms you may notice

  • The vehicle displays: “Adaptive ride control degraded — Ride comfort may be reduced.”
  • Ride comfort may be reduced.
  • The ride may be soft, as described in the verified Tesla documentation.

6. Possible causes

  • The Adaptive Suspension Damping system has an issue.
  • The alert can be present due to various conditions. Specific causes 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 Tesla service at the earliest convenience.
  • Use the service scheduling process to obtain additional vehicle-specific information.
  • Do not attempt to clear the alert yourself; verified documentation states that it can only be cleared by a service technician after service.

10. Step-by-step troubleshooting

  1. No owner-performed diagnostic procedure is established by the supplied verified evidence.
  2. When service is scheduled, more information should be available according to the verified documentation.

11. When to contact service

Tesla service should be scheduled at the earliest convenience. The supplied evidence does not establish whether immediate service, towing, or a driving restriction is required.

12. What the service center may check

  • Determine why the Adaptive Suspension Damping system is unable to provide real-time suspension adjustment.
  • Evaluate the vehicle-specific condition that set TAS_a313. The supplied evidence does not identify particular components or test procedures.
  • Clear the alert after the vehicle has been serviced; verified documentation states this requires a service technician.

13. Possible repair or resolution

  • The specific repair is not yet established by verified evidence.
  • Following completed service, a service technician can clear the alert.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication PDF 10250483: https://static.nhtsa.gov/odi/tsbs/2023/MC-10250483-9999.pdf
  • NHTSA Manufacturer Communication PDF 10247842: https://static.nhtsa.gov/odi/tsbs/2023/MC-10247842-9999.pdf
  • NHTSA Manufacturer Communication PDF 10253660: https://static.nhtsa.gov/odi/tsbs/2024/MC-10253660-9999.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified NHTSA-hosted Tesla manufacturer communications describe TAS_a313 as an Adaptive Suspension Damping system issue and recommend service at the earliest convenience. Applicable verified US vehicle entries include Tesla Model 3 (2017–2023), Model Y (2020–2023), Model S (2012–2024 entries), and Model X (2016–2024 entries). Applicability overlaps in the supplied database; exact fitment for an individual vehicle is not established beyond those entries.

19. Frequently asked questions

What does Tesla alert TAS_a313 mean?

It means there is an issue with the Adaptive Suspension Damping system. Real-time damping adjustments for ride and handling are unavailable, and the dampers receive fixed current.

What should I do when TAS_a313 appears?

Schedule service at the earliest convenience. This is the action recommended in the verified Tesla/NHTSA documentation.

Can I clear TAS_a313 myself?

No. The verified documentation states that the alert can only be cleared by a service technician after the vehicle has been serviced.

Can I drive or charge with TAS_a313?

Not yet established by verified evidence.

20. Sources & verification

Accepted ResearchVerified
Show all 38 verified sources
Tesla TAS_a313: Adaptive ride control degraded Ride comfort may be… | EV Diagnostics