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Cadillac U2BF6

Please have ready current session log including "Vehicle DTC and ID information.” This

DriveUnknown. The supplied verified evidence does not state whether the vehicle is safe to drive with U2BF6.
ChargeUnknown. The supplied verified evidence does not state whether the vehicle is safe to charge with U2BF6.
ServiceService involvement is indicated by PIP5961A if U2BF6 returns after the specified verification: the bulletin directs the technician to start a TAC case. The supplied evidence does not establish whether immediate service is required in all circumstances.
Confidence95%

Quick answer

For a 2024 Cadillac LYRIQ in the US, U2BF6 is addressed in GM/Cadillac Preliminary Information PIP5961A. If U2BF6 returns after the bulletin’s specified DTC-clear and Service Mode verification, the bulletin directs the technician to open a TAC case and have a current session log containing “Vehicle DTC and ID information” ready.

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 U2BF6 mean?

For a 2024 Cadillac LYRIQ in the US, U2BF6 is addressed in GM/Cadillac Preliminary Information PIP5961A. If U2BF6 returns after the bulletin’s specified DTC-clear and Service Mode verification, the bulletin directs the technician to open a TAC case and have a current session log containing “Vehicle DTC and ID information” ready.

2. Technical explanation

The verified manufacturer communication identifies U2BF6 as one of the DTCs that may be evaluated after clearing codes and placing the vehicle in Service Mode. The available verified excerpt does not define the underlying subsystem, root cause, or repair procedure for U2BF6.

3. What system is affected?

Not yet established by verified evidence.

4. How serious is this code?

Unknown. The supplied verified evidence does not assign a severity level.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. The supplied verified evidence does not state whether the vehicle is safe to drive with U2BF6.

8. Can I charge the vehicle?

Unknown. The supplied verified evidence does not state whether the vehicle is safe to charge with U2BF6.

9. What you can safely do

  • Have a qualified Cadillac/GM service technician evaluate the vehicle using the procedure in PIP5961A.
  • If U2BF6 returns after the prescribed verification, ensure a current session log including “Vehicle DTC and ID information” is available for the technician/TAC case.

10. Step-by-step troubleshooting

  1. The verified excerpt directs the technician to clear DTCs.
  2. Place the vehicle in Service Mode and verify that no DTCs have returned.
  3. If U2BF6 returns, start a TAC case and reference PIP5961A.
  4. Prepare a current session log including “Vehicle DTC and ID information.”

11. When to contact service

Service involvement is indicated by PIP5961A if U2BF6 returns after the specified verification: the bulletin directs the technician to start a TAC case. The supplied evidence does not establish whether immediate service is required in all circumstances.

12. What the service center may check

  • Clear DTCs.
  • Place the vehicle in Service Mode.
  • Verify whether DTCs return.
  • If U2BF6 returns, open a TAC case referencing PIP5961A.
  • Provide a current session log including “Vehicle DTC and ID information.”

13. Possible repair or resolution

  • Not yet established by verified evidence. The supplied excerpt provides an escalation and documentation instruction, not a confirmed repair.

14. Affected vehicles

15. Related TSBs / service bulletins

  • PIP5961A, published March 6, 2024, is an NHTSA-hosted manufacturer communication (MC-10253063-9999). It instructs technicians to start a TAC case if U2BF6 returns after the specified DTC-clear and Service Mode verification, with a current session log including “Vehicle DTC and ID information.”

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official manufacturer communication: NHTSA Manufacturer Communication PDF 10253063, PIP5961A: https://static.nhtsa.gov/odi/tsbs/2024/MC-10253063-9999.pdf

19. Frequently asked questions

What does U2BF6 mean on a 2024 Cadillac LYRIQ?

The verified record labels U2BF6 with the instruction: “Please have ready current session log including ‘Vehicle DTC and ID information.’” The underlying technical definition is not established by the supplied evidence.

Which vehicle is covered by the verified evidence?

The supplied applicability record identifies the 2024 Cadillac LYRIQ for the US market.

What should happen if U2BF6 returns?

PIP5961A directs the technician to start a TAC case, reference the Preliminary Information document, and have a current session log including “Vehicle DTC and ID information” ready.

Can I drive or charge with U2BF6?

Not yet established by verified evidence.

20. Sources & verification

Verified
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