P0172 on the 2020 Buick Regal
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.
| 22-NA-056 | 2022-03-30. Service bulletin. This service bulletin provides a repair procedure to correct a customer concern of a MIL Illuminated with DTC P0172, P06DE and/or P0521 Set. |
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1 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.