Cadillac U363F
U3620, U3622, U3624, U3626, U3628, U362A, U362C, U362E, U3630
Quick answer
For a 2023–2024 Cadillac LYRIQ in the US, U363F is not identified as an active applicable code by the supplied official bulletin evidence. PIE0788 revisions specifically removed U363F from its DTC list. No fault meaning, driving guidance, charging guidance, or repair is established by the supplied evidence.
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 U363F mean?
For a 2023–2024 Cadillac LYRIQ in the US, U363F is not identified as an active applicable code by the supplied official bulletin evidence. PIE0788 revisions specifically removed U363F from its DTC list. No fault meaning, driving guidance, charging guidance, or repair is established by the supplied evidence.
2. Technical explanation
The supplied diagnostic record groups U363F with U3620, U3622, U3624, U3626, U3628, U362A, U362C, U362E, and U3630, but does not provide a technical definition for U363F. Official NHTSA-hosted manufacturer communications PIE0788B and PIE0788C state that U363F was removed from the bulletin’s DTC list in the June 10, 2024 revision. PIE0788C, published June 28, 2024, repeats that removal. The evidence does not establish why U363F was removed, whether it can still be stored by a vehicle, or its underlying subsystem.
3. What system is affected?
Not yet established by verified evidence.
4. How serious is this code?
Unknown. The supplied diagnostic record lists severity as unknown.
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 diagnostic record does not establish whether the vehicle is safe to drive with U363F.
8. Can I charge the vehicle?
Unknown. The supplied diagnostic record does not establish whether the vehicle is safe to charge with U363F.
9. What you can safely do
- Record the exact DTCs and any warning messages shown by the vehicle.
- Arrange diagnosis by a Cadillac dealer or qualified service facility if U363F is present or warning messages occur.
- Do not attempt high-voltage system repair based on this information.
10. Step-by-step troubleshooting
- Confirm the code with an appropriate scan tool and retain the complete scan report.
- Check for additional stored DTCs and vehicle messages; the supplied evidence does not identify which accompanying codes are relevant.
- Use the current Cadillac service information for vehicle-specific diagnosis. No diagnostic procedure for U363F is established by the supplied evidence.
11. When to contact service
Contact a Cadillac dealer or qualified service facility for diagnosis. The supplied evidence does not establish a specific repair or service urgency.
12. What the service center may check
- Verify the complete vehicle scan report, including all current and history DTCs.
- Consult current Cadillac service information because the supplied PIE0788 revisions removed U363F from the bulletin DTC list.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Cadillac LYRIQ · 2023–2024 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication PIE0788B (published June 10, 2024): states that U363F was removed from the DTC list in the June 10, 2024 revision. https://static.nhtsa.gov/odi/tsbs/2024/MC-11004345-0001.pdf
- NHTSA Manufacturer Communication PIE0788C (published June 28, 2024): repeats that U363F was removed from the DTC list; the summary also notes that the June 26, 2024 revision ended the need for gathering further information. https://static.nhtsa.gov/odi/tsbs/2024/MC-11004943-0001.pdf
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified applicability: 2023–2024 Cadillac LYRIQ, US. Verified sources are NHTSA-hosted manufacturer communications PIE0788B and PIE0788C. These sources establish that U363F was removed from the PIE0788 DTC list, not a fault description or repair procedure.
19. Frequently asked questions
What does U363F mean on a Cadillac LYRIQ?
Not yet established by verified evidence. The supplied record does not provide a definition for U363F.
Does PIE0788 apply to U363F?
The supplied official bulletin summaries state that U363F was removed from the PIE0788 DTC list in the June 10, 2024 revision.
Is U363F applicable to the Cadillac LYRIQ?
The supplied applicability data covers US-market 2023–2024 Cadillac LYRIQ vehicles, but the supplied PIE0788 revisions removed U363F from their DTC list.
Can I drive or charge with U363F?
Not yet established by verified evidence. The supplied record lists both driving and charging status as unknown.