Audi C119911
voltage components: To prevent charging of the high-voltage battery during the software update, the high-voltage charging cable is to be removed B
Quick answer
For a 2021 Audi e-tron in the US, C119911 is documented in an Audi/NHTSA manufacturer communication as a headlight-related fault: “High beam bulb, short circuit to ground.” The communication says headlight operation is not affected and attributes the stored code to overly sensitive diagnostic software.
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 C119911 mean?
For a 2021 Audi e-tron in the US, C119911 is documented in an Audi/NHTSA manufacturer communication as a headlight-related fault: “High beam bulb, short circuit to ground.” The communication says headlight operation is not affected and attributes the stored code to overly sensitive diagnostic software.
2. Technical explanation
The verified source identifies C119911 as stored in the left light control module J1018/A27 (address 00D6) and/or right light control module J1023/A31 (address 00D7). Audi’s technical background states that the diagnostic software is too sensitive. The source’s wording about removing the high-voltage charging cable applies to preventing high-voltage-battery charging during the software update; it is not the verified meaning of the fault itself.
3. What system is affected?
Left and/or right headlight light-control module: J1018/A27 (00D6) and/or J1023/A31 (00D7).
4. How serious is this code?
Not yet established by verified evidence. The manufacturer communication states that headlight operation is not affected.
5. Symptoms you may notice
- A warning message regarding the headlights may be displayed in the instrument cluster.
- Headlight operation is not affected, according to the manufacturer communication.
6. Possible causes
- Audi states that the diagnostic software is too sensitive.
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. The manufacturer communication instructs removal of the high-voltage charging cable during the specified software update to prevent charging of the high-voltage battery.
9. What you can safely do
- If a headlight warning message is displayed, arrange diagnosis by an Audi service provider.
- Do not perform high-voltage-system work yourself.
- Follow service instructions for any software update; the verified communication specifies that the high-voltage charging cable is removed during the update.
10. Step-by-step troubleshooting
- Verify whether C119911 is stored in J1018/A27, address 00D6, and/or J1023/A31, address 00D7.
- Check the applicable Audi manufacturer communication and determine whether the documented software update applies.
- No further diagnostic procedure is established by the supplied verified evidence.
11. When to contact service
Contact an Audi service provider for assessment and, where applicable, the documented software update.
12. What the service center may check
- Confirm the DTC location in the left and/or right light control module.
- Assess applicability of the Audi software update described in NHTSA manufacturer communication 10194380.
- During the documented software update, remove the high-voltage charging cable to prevent high-voltage-battery charging.
13. Possible repair or resolution
- The communication identifies a new software version as the production solution.
- The supplied evidence supports a software update as the service direction when the communication applies.
14. Affected vehicles
- Audi e-tron · 2021 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication 10194380, Audi document A9421382063125_1, published May 19, 2021. It documents C119911 as “High beam bulb, short circuit to ground,” notes that headlight operation is not affected, and attributes the condition to overly sensitive diagnostic software.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified official source: NHTSA Manufacturer Communication PDF 10194380, Audi A9421382063125_1: https://static.nhtsa.gov/odi/tsbs/2021/MC-10194380-0001.pdf
19. Frequently asked questions
What does C119911 mean in the verified Audi communication?
It is listed as “High beam bulb, short circuit to ground.”
Will the headlights stop working?
The manufacturer communication states that headlight operation is not affected.
What does Audi identify as the technical background?
Audi states that the diagnostic software is too sensitive.
Why is the charging cable removed during service?
The communication says it is removed during the software update to prevent charging of the high-voltage battery.