P0018 on the 2021 Cadillac CT5
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| PIP5730B | 2021-04-19. Service bulletin. This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. |
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| PIP5730A | 2021-02-16. Service bulletin. This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. |
| PIP5730A | 2021-01-25. Service bulletin. This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. |
3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.