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Tesla CHG_f035

Charging equipment communication error Try again or try different equipment

Common search variants: CHGf035 · CHG-f035 · CHG f035 · Search ignores case and common separators.

DriveNot yet established by verified evidence.
ChargeThe vehicle is unable to charge with the equipment involved when this alert occurs. Tesla advises trying again or using different charging equipment.
ServiceNot yet established by verified evidence. For a Wall Connector building-wiring concern, Tesla’s documented guidance is to contact an electrician.
Confidence95%

Quick answer

CHG_f035 means the vehicle cannot charge because it cannot communicate effectively with the external charging equipment. Tesla’s documented advice is to try charging again or use different charging equipment.

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 CHG_f035 mean?

CHG_f035 means the vehicle cannot charge because it cannot communicate effectively with the external charging equipment. Tesla’s documented advice is to try charging again or use different charging equipment.

2. Technical explanation

Verified Tesla owner-manual material filed with NHTSA states that the vehicle cannot sense a valid control-pilot signal from the external charging equipment. The alert is usually specific to the external charging equipment.

3. What system is affected?

External charging equipment communication / control-pilot signal.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • The CHG_f035 alert is displayed: “Charging equipment communication error Try again or try different equipment.”
  • The vehicle is unable to charge.

6. Possible causes

  • The vehicle cannot communicate effectively with the external charging equipment.
  • The vehicle cannot sense a valid control-pilot signal from the charging equipment.
  • Tesla’s documented material states that this alert is usually specific to the external charging equipment.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

The vehicle is unable to charge with the equipment involved when this alert occurs. Tesla advises trying again or using different charging equipment.

9. What you can safely do

  • Try charging again.
  • Try different charging equipment.
  • If a Wall Connector is involved, contact an electrician to inspect the building wiring connection to the Wall Connector and ensure wiring is connected and torqued according to the Wall Connector installation guide.

10. Step-by-step troubleshooting

  1. Retry the charging session.
  2. Use different external charging equipment.
  3. For a Wall Connector installation, refer to the Wall Connector installation guide; the verified material directs an electrician to inspect the building wiring connection.

11. When to contact service

Not yet established by verified evidence. For a Wall Connector building-wiring concern, Tesla’s documented guidance is to contact an electrician.

12. What the service center may check

  • An electrician can inspect the building wiring connection to a Wall Connector and verify that wires are properly connected and torqued according to its installation guide.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA manufacturer communications reproduce Tesla owner-manual guidance for CHG_f035, including NHTSA document 10250483 (published 2023-12-01): https://static.nhtsa.gov/odi/tsbs/2023/MC-10250483-9999.pdf
  • Additional verified NHTSA manufacturer communication: 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

Verified official material is Tesla owner-manual content filed as NHTSA manufacturer communications. It defines CHG_f035 as an external charging-equipment communication issue involving the control-pilot signal. Applicable verified US vehicles: Tesla Model 3 (2017–2023), Model S (2012–2023), and Model X (2016–2023).

19. Frequently asked questions

What does CHG_f035 mean?

It means the vehicle is unable to charge because it cannot communicate effectively with the external charging equipment and cannot sense a valid control-pilot signal.

Should I try another charger?

Yes. The documented alert instruction is to try again or try different equipment.

Is the vehicle itself confirmed to be at fault?

No. The verified material says the alert is usually specific to the external charging equipment.

What if this occurs with a Wall Connector?

Tesla’s documented guidance is to contact an electrician to inspect the building wiring connection and ensure wiring is properly connected and torqued according to the Wall Connector installation guide.

20. Sources & verification

Verified
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Tesla CHG_f035: Charging equipment communication error Try again or… | EV Diagnostics