BMW 805BA2
MLC: Communication fault timeout FLM-03 right
Quick answer
BMW code 805BA2 means: “MLC: Communication fault timeout FLM-03 right.” Verified evidence links it to a right-headlamp communication timeout and to the Check Control message “Right high beam headlight faulty.”
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 805BA2 mean?
BMW code 805BA2 means: “MLC: Communication fault timeout FLM-03 right.” Verified evidence links it to a right-headlamp communication timeout and to the Check Control message “Right high beam headlight faulty.”
2. Technical explanation
NHTSA-published BMW manufacturer communications B630123 and SIB630123 identify 805BA2 as an MLC communication-fault timeout involving FLM-03 on the right side. The supplied evidence does not establish the underlying component-level cause or a repair procedure.
3. What system is affected?
Right-side headlamp-related MLC/FLM-03 communication, as described in BMW manufacturer communications.
4. How serious is this code?
Unknown. The supplied verified evidence does not assign a severity.
5. Symptoms you may notice
- Check Control message 130: “Right high beam headlight faulty.”
- Diagnostic trouble code 805BA2 stored during a vehicle test.
6. Possible causes
- Not yet established by verified evidence.
7. Can I still drive the vehicle?
Unknown. The supplied verified evidence does not establish whether driving is safe with this code.
8. Can I charge the vehicle?
Unknown. The supplied verified evidence does not establish whether charging is safe with this code.
9. What you can safely do
- Arrange diagnosis by a qualified BMW service provider.
- Report the stored code 805BA2 and any “Right high beam headlight faulty” Check Control message.
- Do not attempt high-voltage or headlamp electronic repairs based on this information.
10. Step-by-step troubleshooting
- A vehicle test can identify whether code 805BA2 is stored.
- Further diagnostic steps are not established by the supplied verified evidence.
11. When to contact service
Service need is unknown from the supplied evidence. A qualified BMW service provider can evaluate the recorded communication fault and headlamp warning.
12. What the service center may check
- Verify whether code 805BA2 is stored during a vehicle test.
- Verify whether Check Control message 130, “Right high beam headlight faulty,” is displayed.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
15. Related TSBs / service bulletins
- BMW B630123, published through NHTSA on 2023-02-01: identifies 805BA2 as “MLC: Communication fault timeout FLM-03 right” in the context of headlight Check Control messages.
- BMW SIB630123, published through NHTSA on 2023-04-01: identifies 805BA2 as “MLC: Communication fault timeout FLM-03 right” in the context of headlight Check Control messages.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified official-source evidence: NHTSA Manufacturer Communication 10233164 (B630123) and NHTSA Manufacturer Communication 10236232 (SIB630123). Both state that code 805BA2 may be stored during a vehicle test alongside the right high-beam headlight fault message.
- NHTSA: NHTSA Manufacturer Communication 10233164: B630123 · official_tsb
- NHTSA: NHTSA Manufacturer Communication 10236232: SIB630123 · official_tsb
19. Frequently asked questions
What does BMW code 805BA2 mean?
It means “MLC: Communication fault timeout FLM-03 right.”
What warning may appear with 805BA2?
Verified BMW manufacturer communication evidence lists Check Control message 130: “Right high beam headlight faulty.”
Which vehicles are supported by the supplied applicability evidence?
2023 BMW XM and 2023 BMW i7 vehicles in the United States.
Does the evidence identify the cause or repair?
No. The underlying cause and repair resolution are not yet established by the supplied verified evidence.