Cadillac U2B82
U3620, U3622, U3624, U3626, U3628, U362A, U362C, U362E, U3630, U3632, U3634, U3636
Quick answer
For a 2023–2024 Cadillac LYRIQ in the US, U2B82 was listed in GM field-information communication PIE0788B and was removed from the communication in revision PIE0788C. The supplied evidence does not define the fault meaning or establish driving, charging, or repair guidance.
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 U2B82 mean?
For a 2023–2024 Cadillac LYRIQ in the US, U2B82 was listed in GM field-information communication PIE0788B and was removed from the communication in revision PIE0788C. The supplied evidence does not define the fault meaning or establish driving, charging, or repair guidance.
2. Technical explanation
The diagnostic record labels U2B82 with the group: U3620, U3622, U3624, U3626, U3628, U362A, U362C, U362E, U3630, U3632, U3634, and U3636. However, the verified evidence supplied does not provide a technical definition for U2B82 or explain the relationship between these codes. NHTSA-hosted manufacturer communication PIE0788B, published June 10, 2024, identifies U2B82 among DTCs removed from the communication and lists the U3620/U3622/U3624/U3626/U3628/U362A/U362C/U362E/U3630/U3632/U3634/U3636 group as additional keywords. Revision PIE0788C, published June 28, 2024, states that the need to gather further field information ended and again identifies U2B82 as removed.
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 lists safe-to-drive status as unknown.
8. Can I charge the vehicle?
Unknown. The supplied diagnostic record lists safe-to-charge status as unknown.
9. What you can safely do
- Use the vehicle information and warnings displayed by the vehicle as the immediate operating reference.
- Have the DTC evaluated by a Cadillac dealer or qualified service facility if diagnosis is needed.
10. Step-by-step troubleshooting
- Do not infer a root cause from U2B82 alone; the verified evidence supplied does not define it.
- A service facility can confirm whether U2B82 is current, history, or accompanied by other diagnostic information. Further diagnostic steps are not established by the supplied evidence.
11. When to contact service
Service requirement is unknown in the supplied diagnostic record. If the code is present or vehicle warnings are displayed, contact a Cadillac dealer or qualified service facility for evaluation.
12. What the service center may check
- Confirm the complete diagnostic trouble code record and whether U2B82 is current or history.
- Review accompanying vehicle warnings and other diagnostic information.
- Further specific service checks are not yet established by verified evidence.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Cadillac LYRIQ · 2023–2024 · US
15. Related TSBs / service bulletins
- PIE0788B, published June 10, 2024: NHTSA manufacturer communication 11004345 lists U2B82 among DTCs removed from the communication. It also lists U3620, U3622, U3624, U3626, U3628, U362A, U362C, U362E, U3630, U3632, U3634, and U3636 as additional keywords. Source: https://static.nhtsa.gov/odi/tsbs/2024/MC-11004345-0001.pdf
- PIE0788C, published June 28, 2024: NHTSA manufacturer communication 11004943 states that the need to gather further field information ended and lists U2B82 among DTCs removed from the communication. Source: 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: Cadillac LYRIQ, model years 2023–2024, United States. The supplied official sources are NHTSA-hosted manufacturer communications PIE0788B and PIE0788C.
19. Frequently asked questions
What does Cadillac U2B82 mean?
Not yet established by verified evidence. The supplied record associates it with a group of U3620 through U3636 codes but does not provide a technical definition.
Does U2B82 apply to the Cadillac LYRIQ?
Verified applicability is the 2023–2024 Cadillac LYRIQ in the United States.
Can I drive or charge with U2B82?
Not yet established by verified evidence. Both safe-to-drive and safe-to-charge status are listed as unknown.
Is there an official communication involving U2B82?
Yes. NHTSA-hosted manufacturer communications PIE0788B and PIE0788C list U2B82 among DTCs removed from the communication. PIE0788C states that further field-information gathering had ended.