Volkswagen C1249F5
restricted function because of safety functions of charge management, passive/sporadic Symptom 8516406 Technical Service Bulletin Transaction No: 2064412/1 01-21-10 - Irrelevant
Quick answer
For 2021–2022 Volkswagen ID.4 vehicles in the US, DTC C1249F5 is documented by Volkswagen as “restricted function because of safety functions of charge management,” stored as passive/sporadic. The cited bulletin categorizes the entry as irrelevant.
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 C1249F5 mean?
For 2021–2022 Volkswagen ID.4 vehicles in the US, DTC C1249F5 is documented by Volkswagen as “restricted function because of safety functions of charge management,” stored as passive/sporadic. The cited bulletin categorizes the entry as irrelevant.
2. Technical explanation
Volkswagen Technical Service Bulletin transaction 2064412/1, released October 18, 2021, lists C1249F5 in the data bus control unit (diagnosis address 0019). The bulletin describes the DTC as a passive/sporadic entry for restricted function because of safety functions of charge management. The supplied bulletin evidence labels the entry “Irrelevant.” No further diagnostic mechanism, triggering condition, or repair procedure is established by the supplied verified evidence.
3. What system is affected?
Charge-management safety functions; the DTC is listed in the data bus control unit (diagnosis address 0019).
4. How serious is this code?
Not yet established by verified evidence. The verified Volkswagen bulletin labels this specific passive/sporadic entry as irrelevant.
5. Symptoms you may notice
- A passive/sporadic C1249F5 entry may be stored in the data bus control unit. No driver-visible symptoms are 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
- Do not assume charging or driving status from this DTC alone; neither is established by the supplied evidence.
- Have a Volkswagen-qualified service facility evaluate the vehicle if the code is current, warning messages are present, or charging/vehicle operation is affected.
10. Step-by-step troubleshooting
- Confirm whether C1249F5 is stored in the data bus control unit (diagnosis address 0019).
- Determine whether the entry is passive/sporadic, as described in Volkswagen bulletin 2064412/1.
- No additional troubleshooting steps are established by the supplied verified evidence.
11. When to contact service
Contact a Volkswagen-qualified service facility if C1249F5 is current or accompanied by warnings, charging concerns, or operating concerns. The need for service is otherwise not established by the supplied verified evidence.
12. What the service center may check
- Check the data bus control unit (diagnosis address 0019) for C1249F5.
- Confirm whether the DTC is recorded as passive/sporadic.
- No further service checks are established by the supplied verified evidence.
13. Possible repair or resolution
- No repair or resolution is established by the supplied verified evidence.
14. Affected vehicles
- Volkswagen ID.4 · 2021–2022 · US
15. Related TSBs / service bulletins
- Volkswagen Technical Service Bulletin transaction 2064412/1, “Irrelevant Diagnostic Trouble Codes (DTCs) Logged in Various Control Units,” release date October 18, 2021. It lists C1249F5 for the data bus control unit and labels the entry irrelevant.
- NHTSA manufacturer communication PDF 10202345: https://static.nhtsa.gov/odi/tsbs/2021/MC-10202345-0001.pdf
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified official source: Volkswagen Group of America Technical Service Bulletin transaction 2064412/1, published through NHTSA as Manufacturer Communication 10202345 on October 18, 2021.
19. Frequently asked questions
What does Volkswagen ID.4 code C1249F5 mean?
The supplied Volkswagen bulletin describes it as “restricted function because of safety functions of charge management,” recorded as passive/sporadic.
Where is C1249F5 logged?
The bulletin lists it in the data bus control unit, diagnosis address 0019.
Is C1249F5 an active fault?
The supplied bulletin describes the listed entry as passive/sporadic.
Does C1249F5 require a repair?
The supplied bulletin labels the entry irrelevant. A specific repair requirement or procedure is not established by the verified evidence.
Can the vehicle be driven or charged with C1249F5?
Driving and charging status are not established by the supplied verified evidence.