Service bulletins for the 2023 Cadillac CT5
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.
518 on file from NHTSA, as of 2026-10-19.
About P18AE on the 2023 Cadillac CT5: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P18AE are shown. Show all
| 23-NA-210 | 2024-10-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides a procedure to perform a diagnostic check to verify if DTCs P18AE and/or P0700 Set returns when reset and to clear the codes and validate code does not set again. |
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| 23-NA-210 | 2023-12-09. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides a procedure to perform a diagnostic check to verify if DTCs P18AE and/or P0700 Set returns when reset and to clear the codes and validate code does not set again. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.