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Tesla CC_f004

Unable to charge - Wall Connector issue Wall Connector needs service

Common search variants: CCf004 · CC-f004 · CC f004 · Search ignores case and common separators.

DriveNot yet established by verified evidence.
ChargeThe alert states that charging may be unavailable through the affected Wall Connector. Whether charging with another charging source is available is not yet established by verified evidence.
ServiceIf CC_f004 persists after reconnecting and the specified circuit-breaker reset, Tesla’s published guidance is to consult an electrician or contact Tesla.
Confidence95%

Quick answer

Tesla alert CC_f004 means the Wall Connector detected an internal hardware issue and may be unable to charge the vehicle. Tesla’s published guidance is to reconnect; if the issue persists, power-cycle the Wall Connector at its servicing circuit breaker for 10 seconds, then reconnect. If it continues, consult an electrician or contact Tesla.

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 CC_f004 mean?

Tesla alert CC_f004 means the Wall Connector detected an internal hardware issue and may be unable to charge the vehicle. Tesla’s published guidance is to reconnect; if the issue persists, power-cycle the Wall Connector at its servicing circuit breaker for 10 seconds, then reconnect. If it continues, consult an electrician or contact Tesla.

2. Technical explanation

Verified Tesla/NHTSA manufacturer communications describe CC_f004 as: “Unable to charge - Wall Connector issue Wall Connector needs service.” The alert means an internal Wall Connector hardware issue was detected. Listed possible issues are a non-working contactor, failed self-test of the internal ground-fault monitoring circuit, disconnected thermal sensor, or another hardware-component issue.

3. What system is affected?

Tesla Wall Connector charging equipment. The supplied evidence does not establish a fault in the vehicle itself.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • The vehicle may be unable to charge using the affected Wall Connector.
  • The vehicle displays CC_f004: “Unable to charge - Wall Connector issue Wall Connector needs service.”

6. Possible causes

  • Wall Connector contactor not working.
  • Wall Connector internal ground-fault monitoring circuit self-test failed.
  • Wall Connector thermal sensor disconnected.
  • Another Wall Connector hardware-component issue.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

The alert states that charging may be unavailable through the affected Wall Connector. Whether charging with another charging source is available is not yet established by verified evidence.

9. What you can safely do

  • Try reconnecting the Wall Connector to the vehicle.
  • If the issue persists, turn OFF the circuit breaker servicing the Wall Connector, wait 10 seconds, turn it ON again, then try reconnecting.
  • If the issue continues, consult an electrician or contact Tesla.
  • Refer to the installation guide for the Wall Connector.

10. Step-by-step troubleshooting

  1. Reconnect the Wall Connector to the vehicle.
  2. If the alert persists, perform Tesla’s specified circuit-breaker reset: turn OFF the breaker servicing the Wall Connector, wait 10 seconds, turn it ON, and reconnect.
  3. Do not attempt internal Wall Connector diagnosis or repair; the supplied evidence directs the owner to an electrician or Tesla if the issue persists.

11. When to contact service

If CC_f004 persists after reconnecting and the specified circuit-breaker reset, Tesla’s published guidance is to consult an electrician or contact Tesla.

12. What the service center may check

  • Evaluate the Wall Connector for the internal hardware conditions identified by the alert: contactor operation, internal ground-fault monitoring self-test, thermal-sensor connection, and other hardware-component issues. Specific diagnostic procedures are not established by the supplied verified evidence.

13. Possible repair or resolution

  • Wall Connector service is indicated by the alert title. The exact repair or replacement resolution is not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication PDF 10250483 (published 2023-12-01): https://static.nhtsa.gov/odi/tsbs/2023/MC-10250483-9999.pdf
  • NHTSA Manufacturer Communication PDF 10253660 (published 2024-03-26): https://static.nhtsa.gov/odi/tsbs/2024/MC-10253660-9999.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official manufacturer communications filed with NHTSA describe CC_f004 and provide the reconnect and circuit-breaker-reset guidance. Verified applicability in the supplied database is Tesla Model 3 (2017–2023), Model S (2012–2023), and Model X (2016–2023), US region.

19. Frequently asked questions

What does Tesla CC_f004 mean?

It means the Wall Connector detected an internal hardware issue and needs service.

What should I do when CC_f004 appears?

Reconnect the Wall Connector. If the issue persists, turn OFF its servicing circuit breaker for 10 seconds, turn it back ON, and reconnect. If it remains, consult an electrician or contact Tesla.

What hardware issues can trigger CC_f004?

Tesla lists a non-working contactor, a failed self-test of the internal ground-fault monitoring circuit, a disconnected thermal sensor, or another Wall Connector hardware-component issue.

Can I drive with CC_f004?

Not yet established by verified evidence.

Can I charge elsewhere?

The evidence establishes that charging may be unavailable through the affected Wall Connector. It does not establish availability of charging from other sources.

20. Sources & verification

Verified
Show all 24 verified sources
Tesla CC_f004: Unable to charge - Wall Connector issue Wall Connector… | EV Diagnostics