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Tesla APP_w009

Automatic Emergency Braking is unavailable Feature may be restored on next drive

Common search variants: APPw009 · APP-w009 · APP w009 · Search ignores case and common separators.

DriveNot yet established by verified evidence. Tesla material states that AEB is unavailable for the remainder of the current drive and that the alert does not specifically indicate that other braking functions or features are unavailable.
ChargeNot yet established by verified evidence.
ServiceNot yet established by verified evidence. The supplied diagnostic record lists service-required status as unknown.
Confidence95%

Quick answer

Tesla alert APP_w009 means Automatic Emergency Braking (AEB) is unavailable for the remainder of the current drive and may be restored on the next drive.

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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#Tesla Automatic Emergency braking is unavailable #APP_w009_aebFault Easy fixDigital EV Doctor (Tesla alert clear)

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1. What does APP_w009 mean?

Tesla alert APP_w009 means Automatic Emergency Braking (AEB) is unavailable for the remainder of the current drive and may be restored on the next drive.

2. Technical explanation

Verified Tesla owner-manual material submitted to NHTSA states that the AEB feature is unavailable for the rest of the current drive. The alert itself does not specifically indicate that other braking functions or features are unavailable. The supplied evidence says the alert may be present for several reasons, but it does not establish specific causes.

3. What system is affected?

Automatic Emergency Braking (AEB).

4. How serious is this code?

Unknown. The supplied diagnostic record lists severity as unknown.

5. Symptoms you may notice

  • The vehicle displays APP_w009: “Automatic Emergency Braking is unavailable. Feature may be restored on next drive.”
  • Automatic Emergency Braking is unavailable for the remainder of the current drive.

6. Possible causes

  • Not yet established by verified evidence. The supplied Tesla material states that the alert may be present for several reasons, but does not identify them in the supplied evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence. Tesla material states that AEB is unavailable for the remainder of the current drive and that the alert does not specifically indicate that other braking functions or features are unavailable.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Recognize that Automatic Emergency Braking is unavailable for the current drive.
  • The alert states that the feature may be restored on the next drive.

10. Step-by-step troubleshooting

  1. No specific owner troubleshooting procedure is established by the supplied verified evidence.
  2. Check whether the alert remains after the next drive; the alert wording states that the feature may be restored then.

11. When to contact service

Not yet established by verified evidence. The supplied 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

  • Official NHTSA-hosted Tesla manufacturer communications/owner-manual material document APP_w009 and its meaning, including NHTSA communication 10250484 (published December 1, 2023): https://static.nhtsa.gov/odi/tsbs/2023/MC-10250484-9999.pdf
  • Additional NHTSA-hosted Tesla documentation submitted in 2024 also includes this alert, including communication 10253666 (published March 27, 2024): https://static.nhtsa.gov/odi/tsbs/2024/MC-10253666-9999.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified sources are NHTSA-hosted Tesla manufacturer communications and owner-manual material. The supplied applicability data identifies US Tesla Model 3, Model S, Model X, and Model Y entries across model years 2012 through 2024, with overlapping year ranges. Exact vehicle applicability should be confirmed using the applicable vehicle documentation.

19. Frequently asked questions

What does Tesla APP_w009 mean?

It means Automatic Emergency Braking is unavailable, potentially for the rest of the current drive. The alert says the feature may be restored on the next drive.

Does APP_w009 mean all braking functions are unavailable?

No. Tesla’s supplied owner-manual material states that this alert does not specifically indicate that other braking functions or features are unavailable.

Will AEB return after restarting or beginning a new drive?

The alert states that the feature may be restored on the next drive. Restoration is not guaranteed by the supplied evidence.

What causes APP_w009?

Not yet established by verified evidence. Tesla’s supplied material only states that the alert may be present for several reasons.

20. Sources & verification

Accepted ResearchVerified
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Tesla APP_w009: Automatic Emergency Braking is unavailable Feature may… | EV Diagnostics