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BMW 930D86

Function restraint system driver restricted

DriveUnknown. Verified evidence does not establish whether driving is safe with code 930D86.
ChargeUnknown. Verified evidence does not establish whether charging is safe with code 930D86.
ServiceContact a qualified BMW service provider for diagnosis. The verified evidence associates this code with the ACSM6 Air Bag module, an air-bag warning lamp, and a restraint-system Check Control message.
Confidence97%

Quick answer

BMW code 930D86 means “Function restraint system driver restricted.” Verified evidence links it to the ACSM6 air-bag module and an illuminated air-bag warning lamp in a documented case.

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 930D86 mean?

BMW code 930D86 means “Function restraint system driver restricted.” Verified evidence links it to the ACSM6 air-bag module and an illuminated air-bag warning lamp in a documented case.

2. Technical explanation

The verified manufacturer communication identifies DTC 930D86 as stored in the ACSM6 Air Bag module with the description “Function restraint system driver restricted.” In the documented condition, the driver seat stopped functioning, the air-bag warning lamp illuminated, and Check Control message 97, “Restraint system,” appeared. The available evidence does not establish a universal root cause, repair, or driving/charging status for every vehicle with this code.

3. What system is affected?

Driver restraint system / ACSM6 Air Bag module. Verified evidence also describes a driver-seat malfunction in the documented condition.

4. How serious is this code?

Unknown. The diagnostic record does not provide a verified severity rating.

5. Symptoms you may notice

  • Air-bag warning lamp illuminated in the instrument cluster.
  • Check Control message 97: “Restraint system.”
  • Driver seat stopped functioning in the documented manufacturer-communication condition.
  • DTC 930D86 stored in the ACSM6 Air Bag module.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. Verified evidence does not establish whether driving is safe with code 930D86.

8. Can I charge the vehicle?

Unknown. Verified evidence does not establish whether charging is safe with code 930D86.

9. What you can safely do

  • Do not attempt air-bag, restraint-system, seat-module, or high-voltage repairs yourself.
  • Arrange diagnosis by a qualified BMW service provider, particularly if the air-bag warning lamp or restraint-system message is present.
  • Record the exact Check Control messages and any driver-seat operating concerns for the service appointment.

10. Step-by-step troubleshooting

  1. Confirm whether the air-bag warning lamp is illuminated.
  2. Confirm whether Check Control message 97, “Restraint system,” is displayed.
  3. Note whether the driver seat has stopped functioning.
  4. Have a qualified service provider retrieve and evaluate fault memory, including ACSM6 DTC 930D86.

11. When to contact service

Contact a qualified BMW service provider for diagnosis. The verified evidence associates this code with the ACSM6 Air Bag module, an air-bag warning lamp, and a restraint-system Check Control message.

12. What the service center may check

  • Read fault memory from the ACSM6 Air Bag module and confirm DTC 930D86.
  • Assess the reported restraint-system warning and air-bag warning lamp.
  • Assess the reported driver-seat functionality concern.
  • Evaluate any additional stored faults. The documented communication also listed C95432 and C95434 in the driver seat memory module, but their applicability to every 930D86 event is not established.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 11006734, BMW bulletin B520224, published August 7, 2024. Its evidence summary documents ACSM6 fault 930D86 with an air-bag warning lamp, Check Control message 97 “Restraint system,” and a driver-seat malfunction.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified source: NHTSA Manufacturer Communication 11006734, BMW bulletin B520224: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2020-2024.zip#nhtsa_id=11006734. Verified applicability: US-market 2023–2024 BMW i5, i7, and iX.

19. Frequently asked questions

What does BMW code 930D86 mean?

It means “Function restraint system driver restricted.” The verified communication identifies it as an ACSM6 Air Bag module fault.

What warnings may occur with 930D86?

The documented condition included an illuminated air-bag warning lamp and Check Control message 97, “Restraint system.”

Can code 930D86 affect the driver seat?

In the documented condition, the driver seat stopped functioning. Whether this occurs in every case is not established by verified evidence.

Can I drive or charge with 930D86?

Not yet established by verified evidence. The record provides no verified driveability or charging determination.

20. Sources & verification

Verified
BMW 930D86: Function restraint system driver restricted | EV Diagnostics