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Cadillac B1C48

Correction Do not replace any parts at this time. Engineering

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a Cadillac dealer or qualified service provider if the Service Camera System message occurs or B1C48 is found. The verified communication advises against parts replacement at this time for the described software-related false DTC/message condition.
Confidence95%

Quick answer

For a 2025 Cadillac LYRIQ in the US, DTC B1C48 is covered by Cadillac communication PIT6274C. It may occur with an intermittent “Service Camera System” message and is identified as a false DTC and/or message caused by a software anomaly. Do not replace parts at this time; engineering is addressing the concern.

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 B1C48 mean?

For a 2025 Cadillac LYRIQ in the US, DTC B1C48 is covered by Cadillac communication PIT6274C. It may occur with an intermittent “Service Camera System” message and is identified as a false DTC and/or message caused by a software anomaly. Do not replace parts at this time; engineering is addressing the concern.

2. Technical explanation

Verified NHTSA-posted Cadillac manufacturer communication PIT6274C states that B1C48 may be stored as current or history during diagnosis of an intermittent Service Camera System message. The communication identifies the condition as a false DTC and/or message due to a software anomaly. It specifically instructs: “Do not replace any parts at this time. Engineering” is addressing the concern.

3. What system is affected?

Camera system / Service Camera System message. A more specific component or module is not 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

  • Intermittent “Service Camera System” message.
  • B1C48 may be present as a current or history DTC.

6. Possible causes

  • False DTC and/or message due to a software anomaly.

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

  • Do not replace parts based on B1C48 under the condition described in PIT6274C.
  • Have a Cadillac dealer or qualified service provider confirm the stored codes and applicable manufacturer communication.

10. Step-by-step troubleshooting

  1. Confirm whether the vehicle is a 2025 Cadillac LYRIQ in the US.
  2. Check whether the concern is an intermittent Service Camera System message.
  3. Determine whether B1C48 is stored as current or history.
  4. Review Cadillac/NHTSA communication PIT6274C for the applicable condition. Further diagnostic or repair steps are not established by the supplied verified evidence.

11. When to contact service

Contact a Cadillac dealer or qualified service provider if the Service Camera System message occurs or B1C48 is found. The verified communication advises against parts replacement at this time for the described software-related false DTC/message condition.

12. What the service center may check

  • Verify vehicle applicability: 2025 Cadillac LYRIQ, US.
  • Verify the presence of B1C48 and the intermittent Service Camera System message condition.
  • Review PIT6274C before authorizing component replacement.

13. Possible repair or resolution

  • Do not replace any parts at this time.
  • Engineering is addressing the condition. A final repair or software-update resolution is not established by the supplied verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Cadillac PIT6274C, published July 16, 2025 and posted by NHTSA as manufacturer communications MC-11020879-0001 and MC-11020880-0001. It describes intermittent Service Camera System messages with B020A, B1C64, or B1C48 current or history, attributed to a software anomaly.

16. Recall information

  • No recall information is established by the supplied verified evidence.

17. Official manufacturer information

Official source: NHTSA manufacturer communication PIT6274C (July 16, 2025): https://static.nhtsa.gov/odi/tsbs/2025/MC-11020879-0001.pdf

19. Frequently asked questions

What does B1C48 mean on a 2025 Cadillac LYRIQ?

For the condition described in Cadillac communication PIT6274C, B1C48 may be a false DTC associated with an intermittent Service Camera System message caused by a software anomaly.

Should parts be replaced for B1C48?

No. PIT6274C states not to replace any parts at this time.

Is B1C48 a camera-system issue?

The verified communication associates B1C48 with an intermittent Service Camera System message. The specific affected component is not established by the supplied evidence.

Can I drive or charge with B1C48?

Not yet established by verified evidence.

20. Sources & verification

Verified
Cadillac B1C48: Correction Do not replace any parts at this time.… | EV Diagnostics