P0089 on the 2023 GMC Terrain
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.
| N252524761 | 2026-01-28. Service campaign. Certain vehicles may set a Malfunction Indicator Light. Additionally, the vehicle may set DTCs P228C, P0089, and/or P006C. Dealers are to reprogram the Engine Control Module. |
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| N252524760 | 2026-01-28. Service campaign. Certain vehicles may set a Malfunction Indicator Light. Additionally, the vehicle may set DTCs P228C, P0089, and/or P006C. Dealers are to reprogram the Engine Control Module. |
2 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.