EV Diagnostics
Verified EV diagnostic knowledge page

Tesla CC_f022

Unable to charge - More than 1 primary unit Ensure only 1 Wall Connector is set as primary

Common search variants: CCf022 · CC-f022 · CC f022 · Search ignores case and common separators.

DriveNot yet established by verified evidence.
ChargeThe alert states that charging is unavailable. Whether charging remains available in any other configuration or at another charging location is not yet established by verified evidence.
ServiceTesla’s cited documentation directs the owner to have an electrician confirm the Wall Connector configuration. A need for Tesla vehicle service is not yet established by verified evidence.
Confidence95%

Quick answer

CC_f022 means the Wall Connector load-sharing network has more than one unit configured as primary. Tesla’s documented correction is to have an electrician verify that exactly one Wall Connector is primary and every other linked Wall Connector is in paired position (position F).

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 CC_f022 mean?

CC_f022 means the Wall Connector load-sharing network has more than one unit configured as primary. Tesla’s documented correction is to have an electrician verify that exactly one Wall Connector is primary and every other linked Wall Connector is in paired position (position F).

2. Technical explanation

Tesla describes CC_f022 as: “Unable to charge - More than 1 primary unit Ensure only 1 Wall Connector is set as primary.” The alert concerns a Wall Connector load-sharing (circuit-breaker-sharing) network. That network requires one, and only one, Wall Connector configured as the primary unit.

3. What system is affected?

Tesla Wall Connector load-sharing (circuit-breaker-sharing) network.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Charging is unavailable, as stated by the alert: “Unable to charge.”
  • The alert indicates that more than one Wall Connector is configured as primary.

6. Possible causes

  • More than one Wall Connector in the load-sharing network is set to a primary configuration.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

The alert states that charging is unavailable. Whether charging remains available in any other configuration or at another charging location is not yet established by verified evidence.

9. What you can safely do

  • Arrange for an electrician to confirm the Wall Connector load-sharing configuration.
  • Refer to the installation guide for the Wall Connector.

10. Step-by-step troubleshooting

  1. Have an electrician confirm that only one Wall Connector is set as primary.
  2. Have an electrician confirm that all other Wall Connectors linked to the primary unit are set to paired position (position F).

11. When to contact service

Tesla’s cited documentation directs the owner to have an electrician confirm the Wall Connector configuration. A need for Tesla vehicle service is not yet established by verified evidence.

12. What the service center may check

  • Verify that exactly one Wall Connector in the load-sharing network is configured as primary.
  • Verify that every other Wall Connector linked to that primary unit is configured to paired position (position F).

13. Possible repair or resolution

  • Correct the load-sharing configuration so exactly one Wall Connector is primary and all linked secondary units are in paired position (position F).

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication PDF 10253660: Index381, published March 26, 2024: https://static.nhtsa.gov/odi/tsbs/2024/MC-10253660-9999.pdf
  • NHTSA Manufacturer Communication PDF 10250483: ManualC, published December 1, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10250483-9999.pdf
  • NHTSA Manufacturer Communication PDF 10240951: Owner's Manual, published June 9, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10240951-9999.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified NHTSA-hosted Tesla documentation states that only one Wall Connector can be configured as primary, and that all other Wall Connectors linked to it must be set to paired position (position F).

19. Frequently asked questions

What does Tesla alert CC_f022 mean?

It means the Wall Connector load-sharing network needs one, and only one, Wall Connector set as primary, but more than one primary unit is detected.

What should be checked for CC_f022?

An electrician should confirm that exactly one Wall Connector is primary and that all other linked Wall Connectors are set to paired position (position F).

Does CC_f022 establish that the vehicle needs repair?

Not yet established by verified evidence. The supplied official guidance concerns Wall Connector configuration and directs the owner to an electrician.

Which vehicles are covered by the supplied applicability evidence?

Tesla Model 3 (2017–2023), Model S (2012–2023), and Model X (2016–2023) in the US, subject to the listed applicability records.

20. Sources & verification

Verified
Show all 24 verified sources
Tesla CC_f022: Unable to charge - More than 1 primary unit Ensure only… | EV Diagnostics