P0171 on the 2020 GMC Canyon
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-171 | 2023-02-07. Service bulletin. This service bulletin provides service information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated on Driver Information Center (DIC) with DTCs P0171, P0174 Set. |
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| 21NA105 | 2021-05-24. Service bulletin. This technical bulletin provides repair information to correct a customer concern of Engine Control Module Calibration for DTC P0171 and P0174 Set. |
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.