EV Diagnostics
Verified EV diagnostic knowledge page

Tesla TAS_a314

Adaptive ride control degraded Drive with caution

Common search variants: TASa314 · TAS-a314 · TAS a314 · Search ignores case and common separators.

DriveYes, according to the verified Tesla owner-manual evidence: the vehicle is OK to drive in the meantime. Drive with caution.
ChargeNot yet established by verified evidence.
ServiceSchedule Tesla service at your earliest convenience if TAS_a314 persists throughout subsequent drives.
Confidence95%

Quick answer

TAS_a314 means Tesla has detected an issue with the Adaptive Suspension Damping system. Real-time suspension adjustments for ride and handling are unavailable, and the ride may be softer than usual. Tesla’s owner-manual evidence says the vehicle is OK to drive in the meantime; if the alert persists through subsequent drives, schedule service at your 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_a314 mean?

TAS_a314 means Tesla has detected an issue with the Adaptive Suspension Damping system. Real-time suspension adjustments for ride and handling are unavailable, and the ride may be softer than usual. Tesla’s owner-manual evidence says the vehicle is OK to drive in the meantime; if the alert persists through subsequent drives, schedule service at your earliest convenience.

2. Technical explanation

The verified Tesla owner-manual material identifies TAS_a314 as “Adaptive ride control degraded — Drive with caution.” It indicates an issue with the vehicle’s Adaptive Suspension Damping system. Because of that issue, the system cannot provide real-time adjustments intended to optimize both ride and handling. The verified material specifically states that the ride may be softer than usual.

3. What system is affected?

Adaptive Suspension Damping system.

4. How serious is this code?

The database severity is listed as unknown. Verified owner-manual evidence presents this as a yellow instrument-panel alert and instructs the driver to use caution.

5. Symptoms you may notice

  • “Adaptive ride control degraded — Drive with caution” alert.
  • Yellow indicator light on the instrument panel.
  • Ride may be softer than usual.
  • Real-time suspension adjustments to optimize ride and handling are unavailable.

6. Possible causes

  • An issue with the Adaptive Suspension Damping system. Further underlying cause is not yet established by verified evidence.

7. Can I still drive the vehicle?

Yes, according to the verified Tesla owner-manual evidence: the vehicle is OK to drive in the meantime. Drive with caution.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Drive with caution.
  • If the alert persists throughout subsequent drives, schedule service at your earliest convenience.
  • Observe whether the alert remains present on subsequent drives.

10. Step-by-step troubleshooting

  1. No owner-performed diagnostic or repair procedure is established by the verified evidence.
  2. Do not attempt suspension-system repair based on this alert; arrange service if it persists through subsequent drives.

11. When to contact service

Schedule Tesla service at your earliest convenience if TAS_a314 persists throughout subsequent drives.

12. What the service center may check

  • Confirm the active TAS_a314 alert and associated yellow instrument-panel indicator.
  • Diagnose the Adaptive Suspension Damping system. Specific test procedures are 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 PDF 10250483: Tesla owner-manual material describing TAS_a314; published December 1, 2023. https://static.nhtsa.gov/odi/tsbs/2023/MC-10250483-9999.pdf
  • NHTSA Manufacturer Communication PDF 10253661: Tesla owner-manual material describing TAS_a314; published March 26, 2024. https://static.nhtsa.gov/odi/tsbs/2024/MC-10253661-9999.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified NHTSA-hosted Tesla owner-manual material states that TAS_a314 concerns the Adaptive Suspension Damping system, may result in a softer-than-usual ride, appears with a yellow instrument-panel indicator, and warrants service if it persists through subsequent drives. Applicable database entries cover US Tesla Model 3 (2017–2023), Model Y (2020–2023), Model S (2012–2024), and Model X (2016–2024).

19. Frequently asked questions

What does Tesla alert TAS_a314 mean?

It means there is an issue with the Adaptive Suspension Damping system, so real-time suspension adjustments for ride and handling cannot be provided.

Can I drive with TAS_a314?

Verified Tesla owner-manual evidence says the vehicle is OK to drive in the meantime. Drive with caution.

What might I notice?

The ride may be softer than usual, and a yellow instrument-panel indicator accompanies the alert.

When should I schedule service?

Schedule service at your earliest convenience if the alert persists throughout subsequent drives.

Can I charge the vehicle with TAS_a314?

Not yet established by verified evidence.

20. Sources & verification

Accepted ResearchVerified
Show all 38 verified sources
Tesla TAS_a314: Adaptive ride control degraded Drive with caution | EV Diagnostics