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BMW 02390A

VIP control unit: Coding data not released, signature

DriveNot yet established by verified evidence. The verified bulletin evidence reports a “Drive carefully. Driving stabilisation.” message; follow the vehicle’s displayed warning and arrange BMW diagnosis.
ChargeNot yet established by verified evidence.
ServiceContact an authorized BMW service center for diagnosis, particularly if the “Drive carefully. Driving stabilisation.” message or communication errors are present.
Confidence97%

Quick answer

BMW code 02390A means: “VIP control unit: Coding data not released, signature.” Verified BMW/NHTSA service-bulletin evidence associates it with communication errors and a “Drive carefully. Driving stabilisation.” Check Control message.

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 02390A mean?

BMW code 02390A means: “VIP control unit: Coding data not released, signature.” Verified BMW/NHTSA service-bulletin evidence associates it with communication errors and a “Drive carefully. Driving stabilisation.” Check Control message.

2. Technical explanation

Official BMW manufacturer communications filed with NHTSA identify 02390A as a VIP control-unit coding/signature fault. The supplied evidence states that a failure can cause communication errors and that the listed fault-memory entries may be stored within 40 seconds of one another. The specific underlying failure mechanism is not further established by the supplied verified evidence.

3. What system is affected?

VIP control unit. The supplied bulletin evidence also references ACSM, DSC/IB, and HKFM fault-memory entries when this condition occurs.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Check Control message: “Drive carefully. Driving stabilisation.”
  • Communication errors.
  • Fault-memory entries may be stored within 40 seconds of each other.

6. Possible causes

  • A failure causing communication errors is stated in the official bulletin evidence. The exact failed component, condition, or root cause is not yet established by verified evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence. The verified bulletin evidence reports a “Drive carefully. Driving stabilisation.” message; follow the vehicle’s displayed warning and arrange BMW diagnosis.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Record the exact Check Control messages and fault codes.
  • Arrange diagnosis by an authorized BMW service center or qualified technician.
  • Do not attempt high-voltage or control-unit repair procedures based on this information.

10. Step-by-step troubleshooting

  1. Have a qualified technician read the complete fault memory and determine whether 02390A is stored with the related entries described in the bulletin.
  2. Verify whether the “Drive carefully. Driving stabilisation.” message is present.
  3. Further troubleshooting steps are not yet established by the supplied verified evidence.

11. When to contact service

Contact an authorized BMW service center for diagnosis, particularly if the “Drive carefully. Driving stabilisation.” message or communication errors are present.

12. What the service center may check

  • Read complete fault memory for 02390A.
  • Check for related ACSM 02010A, DSC/IB 02290A, and HKFM 020D0A entries.
  • Determine whether the related entries were stored within 40 seconds of each other.
  • Assess the reported communication errors and displayed Check Control message.

13. Possible repair or resolution

  • A specific repair or resolution is not yet established by the supplied verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • BMW bulletin B610126, filed by NHTSA as Manufacturer Communication 11028925, published February 2, 2026.
  • BMW bulletin B610126, filed by NHTSA as Manufacturer Communication 11029070, published February 20, 2026.
  • BMW bulletin B610126, filed by NHTSA as Manufacturer Communication 11034462, published June 11, 2026.

16. Recall information

  • No recall information was supplied in the verified evidence.

17. Official manufacturer information

Verified official-source evidence consists of BMW manufacturer communication B610126 records filed with NHTSA. Supplied applicability lists 2025 US-market BMW X5 and iX vehicles.

19. Frequently asked questions

What does BMW code 02390A mean?

It means: “VIP control unit: Coding data not released, signature.”

What warning may appear with 02390A?

The verified bulletin evidence states that “Drive carefully. Driving stabilisation.” may appear.

Which other codes may occur with 02390A?

The bulletin evidence lists ACSM 02010A, DSC/IB 02290A, and HKFM 020D0A, with the entries stored within 40 seconds of each other.

Is it safe to drive or charge?

Drive and charge safety are not yet established by verified evidence.

20. Sources & verification

Verified
BMW 02390A: VIP control unit: Coding data not released, signature | EV Diagnostics