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Volkswagen C1249F6

restricted function because of safety functions of charge management (mechanical), passive/sporadic  Symptom 8516406  B163002: predictive route data signal error, active static/p

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService need is not established by verified evidence. Contact an authorized Volkswagen service provider if the code recurs, is accompanied by warnings or charging concerns, or if professional diagnosis is desired.
Confidence95%

Quick answer

For certain 2021–2022 Volkswagen ID.4 vehicles in the US, C1249F6 is documented by Volkswagen as “restricted function because of safety functions of charge management (mechanical), passive/sporadic,” with symptom number 8516406. Volkswagen’s cited Technical Service Bulletins categorize it among irrelevant DTCs logged in various control units.

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 C1249F6 mean?

For certain 2021–2022 Volkswagen ID.4 vehicles in the US, C1249F6 is documented by Volkswagen as “restricted function because of safety functions of charge management (mechanical), passive/sporadic,” with symptom number 8516406. Volkswagen’s cited Technical Service Bulletins categorize it among irrelevant DTCs logged in various control units.

2. Technical explanation

C1249F6 is recorded in the data bus control unit at diagnostic address 0019. The verified description is: restricted function because of safety functions of charge management (mechanical), passive/sporadic. The supplied Volkswagen bulletin evidence identifies this code in the context of irrelevant DTCs logged in various control units. The evidence does not establish a component failure, a specific root cause, or a required repair for this code alone.

3. What system is affected?

Data bus control unit, diagnostic address 0019; charge-management safety-function context.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • The verified bulletin associates C1249F6 with symptom number 8516406.
  • No driver-visible symptom is established by the supplied verified evidence.

6. Possible causes

  • 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?

Not yet established by verified evidence.

9. What you can safely do

  • Have the vehicle evaluated by an authorized Volkswagen service provider if the code is present with warning messages, charging concerns, or other vehicle symptoms.
  • Do not assume that this code alone identifies a failed part or charging-system defect.

10. Step-by-step troubleshooting

  1. Confirm the code, control-unit location, and status: C1249F6 in data bus control unit address 0019, passive/sporadic.
  2. Review applicable Volkswagen Technical Service Bulletin guidance for irrelevant DTCs logged in various control units.
  3. Further diagnostic steps are not established by the supplied verified evidence.

11. When to contact service

Service need is not established by verified evidence. Contact an authorized Volkswagen service provider if the code recurs, is accompanied by warnings or charging concerns, or if professional diagnosis is desired.

12. What the service center may check

  • Verify whether C1249F6 is stored as passive/sporadic in control unit address 0019.
  • Review Volkswagen TSB transaction 2064412/2 and transaction 2068173/1 for applicability and current service guidance.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Volkswagen Technical Service Bulletin, Transaction No. 2064412/2, “01-21-10 - Irrelevant Diagnostic Trouble Codes (DTCs) Logged.” Released October 17, 2022. It lists C1249F6 in data bus control unit address 0019 as a passive/sporadic entry with symptom 8516406.
  • Volkswagen Technical Service Bulletin, Transaction No. 2068173/1, “01-22-06 - Irrelevant Diagnostic Trouble Codes (DTCs) Logged in Various Control Units.” Released October 17, 2022. It lists C1249F6 in data bus control unit address 0019 as a passive/sporadic entry with symptom 8516406.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified applicability: Volkswagen ID.4, model years 2021 and 2022, US region. Official NHTSA-hosted manufacturer communications: https://static.nhtsa.gov/odi/tsbs/2022/MC-10224843-0001.pdf and https://static.nhtsa.gov/odi/tsbs/2022/MC-10224845-0001.pdf.

19. Frequently asked questions

What does Volkswagen code C1249F6 mean?

The verified Volkswagen description is “restricted function because of safety functions of charge management (mechanical), passive/sporadic.”

Where is C1249F6 logged?

The supplied Volkswagen bulletin evidence places it in the data bus control unit, diagnostic address 0019.

Does C1249F6 prove a charging-system failure?

No. The supplied evidence lists the code in bulletins concerning irrelevant DTCs; it does not establish a charging-system failure or a failed component.

Which vehicles are verified as applicable?

The supplied applicability evidence covers US-market 2021 and 2022 Volkswagen ID.4 vehicles.

20. Sources & verification

Verified
Volkswagen C1249F6: restricted function because of safety functions of… | EV Diagnostics