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Tesla UMC_w009

Cannot charge - Charge handle temperature high Check charge handle or charge port for debris

Common search variants: UMCw009 · UMC-w009 · UMC w009 · Search ignores case and common separators.

DriveNot yet established by verified evidence.
ChargeThe documented condition interrupts charging. Whether charging can resume after ensuring full insertion and checking for debris is not yet established by the supplied verified evidence.
ServiceService-required status is unknown in the database. Contact Tesla if the alert persists or if assistance is needed; specific service criteria are not yet established by verified evidence.
Confidence95%

Quick answer

UMC_w009 means charging was interrupted because the Tesla Mobile Connector detected a high temperature in the charge handle that connects to the vehicle charge port. Tesla’s documented instruction is to ensure the Mobile Connector is fully inserted and to check the charge handle and charge port for debris.

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

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1. What does UMC_w009 mean?

UMC_w009 means charging was interrupted because the Tesla Mobile Connector detected a high temperature in the charge handle that connects to the vehicle charge port. Tesla’s documented instruction is to ensure the Mobile Connector is fully inserted and to check the charge handle and charge port for debris.

2. Technical explanation

Verified NHTSA-posted Tesla owner documentation describes UMC_w009 as a charge-handle high-temperature alert. The alert specifically concerns the handle connection at the vehicle charge port and results in interrupted charging. The supplied evidence does not establish a component failure or a vehicle high-voltage-battery fault.

3. What system is affected?

Tesla Mobile Connector charge handle and the connection to the vehicle charge port.

4. How serious is this code?

The database severity is unknown. Verified evidence establishes that charging has been interrupted due to a detected high temperature in the charge handle.

5. Symptoms you may notice

  • The vehicle displays UMC_w009: “Cannot charge - Charge handle temperature high Check charge handle or charge port for debris.”
  • Charging is interrupted.
  • The Mobile Connector has detected a high temperature in the charge handle that connects to the vehicle charge port.

6. Possible causes

  • Debris at the charge handle or vehicle charge port is identified in the alert text as an item to check.
  • The Mobile Connector may not be fully inserted into the vehicle charge port.
  • Any additional cause is 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?

The documented condition interrupts charging. Whether charging can resume after ensuring full insertion and checking for debris is not yet established by the supplied verified evidence.

9. What you can safely do

  • Make sure the Mobile Connector is fully inserted into the vehicle charge port.
  • Check the charge handle and charge port for debris.
  • Do not perform high-voltage repairs.
  • If the condition remains unresolved, seek Tesla service guidance; further service direction is not established by the supplied evidence.

10. Step-by-step troubleshooting

  1. Confirm that the Mobile Connector is fully inserted into the vehicle charge port.
  2. Check the charge handle and the vehicle charge port for debris.
  3. No further diagnostic procedure is established by the supplied verified evidence.

11. When to contact service

Service-required status is unknown in the database. Contact Tesla if the alert persists or if assistance is needed; specific service criteria are not yet established by verified evidence.

12. What the service center may check

  • Verify the Mobile Connector is fully inserted into the vehicle charge port.
  • Check the charge handle and charge port for debris.
  • Additional service checks are not yet established by verified evidence.

13. Possible repair or resolution

  • No specific repair resolution is established by the supplied verified evidence.
  • The supplied Tesla documentation directs the user to ensure full connector insertion and check for debris.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA manufacturer communications containing Tesla owner documentation for UMC_w009 include MC-10253660 (published March 26, 2024), MC-10252957 (February 13, 2024), MC-10250483 (December 1, 2023), and MC-10240951 (June 9, 2023). These documents describe the alert and user guidance; the supplied evidence does not establish a repair campaign or vehicle-specific technical service action.

16. Recall information

  • No recall is established by the supplied verified evidence.

17. Official manufacturer information

Official NHTSA-posted Tesla documentation: https://static.nhtsa.gov/odi/tsbs/2023/MC-10250483-9999.pdf

19. Frequently asked questions

What does Tesla alert UMC_w009 mean?

It means charging was interrupted because the Mobile Connector detected a high temperature in the charge handle that connects to the vehicle charge port.

What should I check for UMC_w009?

Tesla documentation says to make sure the Mobile Connector is fully inserted into the vehicle charge port and to check the charge handle and charge port for debris.

Does UMC_w009 prove that the battery is faulty?

No. The supplied verified evidence identifies a high temperature detected in the Mobile Connector charge handle; it does not establish a high-voltage-battery fault.

Is this a recall?

No recall is established by the supplied verified evidence.

20. Sources & verification

Verified
Show all 24 verified sources
Tesla UMC_w009: Cannot charge - Charge handle temperature high Check… | EV Diagnostics