BMW 93094F
Knee airbag, front passenger: short circuit to negative terminal
Quick answer
BMW OEM code 93094F means: “Knee airbag, front passenger: short circuit to negative terminal.” Verified evidence applies this code to the 2022 BMW i4 in the US and associates it with a restraint-system message and a continuously illuminated red airbag warning light.
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 93094F mean?
BMW OEM code 93094F means: “Knee airbag, front passenger: short circuit to negative terminal.” Verified evidence applies this code to the 2022 BMW i4 in the US and associates it with a restraint-system message and a continuously illuminated red airbag warning light.
2. Technical explanation
This is a restraint-system/airbag-control diagnostic code. The verified manufacturer communication identifies 93094F as a fault for the front-passenger knee airbag circuit: short circuit to the negative terminal. The supplied evidence does not establish the specific failed component, wiring location, root cause, or repair for an individual vehicle.
3. What system is affected?
Front-passenger knee airbag circuit; ACSM (airbag control unit)/restraint system.
4. How serious is this code?
Not yet established by verified evidence. However, the verified evidence identifies a restraint-system fault and a permanently illuminated red airbag warning light.
5. Symptoms you may notice
- A restraint-system message may appear.
- The red airbag warning light may remain illuminated permanently.
- Code 93094F may be stored in the ACSM (airbag control unit).
6. Possible causes
- Verified evidence establishes a short circuit to the negative terminal in the front-passenger knee airbag circuit.
- The specific underlying cause is 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
- Arrange diagnosis by a qualified BMW service provider.
- Do not attempt airbag-circuit or restraint-system repairs yourself.
10. Step-by-step troubleshooting
- Have the vehicle scanned for ACSM fault code 93094F by qualified service personnel.
- Use the applicable BMW manufacturer communication and BMW diagnostic procedures during professional diagnosis.
- Further troubleshooting steps are not yet established by verified evidence.
11. When to contact service
Contact an authorized BMW service center or other qualified restraint-system service provider for diagnosis.
12. What the service center may check
- Confirm whether 93094F is stored in the ACSM.
- Inspect and diagnose the fault using applicable BMW procedures. Specific inspection steps are not established by the supplied verified evidence.
13. Possible repair or resolution
- A specific repair resolution is not yet established by verified evidence.
14. Affected vehicles
- BMW i4 · 2022 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication 10227929: B652022, published November 1, 2022. It lists 93094F as “Knee airbag, front passenger: short circuit to negative terminal” and states that a restraint-system message may appear and the red airbag warning light may remain illuminated permanently.
16. Recall information
- No recall information was supplied in the verified evidence.
17. Official manufacturer information
Official source: NHTSA Manufacturer Communication 10227929: B652022 (BMW), published 2022-11-01. https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2020-2024.zip#nhtsa_id=10227929
- NHTSA: NHTSA Manufacturer Communication 10227929: B652022 · official_tsb
19. Frequently asked questions
What does BMW code 93094F mean?
It means “Knee airbag, front passenger: short circuit to negative terminal.”
Which vehicle is verified as applicable?
The supplied evidence identifies the 2022 BMW i4 for the US market.
What warning may appear with 93094F?
The manufacturer communication states that a restraint-system message may appear and the red airbag warning light may illuminate permanently.
Can I drive or charge the vehicle?
Not yet established by verified evidence.