Service bulletins for the 2022 Cadillac CT4
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
742 on file from NHTSA, as of 2026-10-19.
About B15E3 on the 2022 Cadillac CT4: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
By topic
Only bulletins with trouble code: B15E3 are shown. Show all
| 23-NA-109 | 2023-07-27. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. This service bulletin provides a procedure to correct a customer concern of Service Restraint System and/or Airbag Readiness Message Displayed - DTCs B15DF / B15E3. |
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| 23-NA-109 | 2023-07-14. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS; SEATS. This service bulletin provides a procedure to correct a customer concern of Service Restraint System and/or Airbag Readiness Message Displayed - DTCs B15DF / B15E3. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.