# P0171 on the 2017 GMC Acadia

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.

## Bulletins for this model year that name P0171

- [10190376](https://open.wenmarpro.com/bulletins/10190376), 2021-04-19: Engineering Information – Malfunction Indicator Lamp \(MIL\) On, DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2
- [10165878](https://open.wenmarpro.com/bulletins/10165878), 2019-10-15: This Preliminary information communicates additional diagnostics and repair to assist in resolving a malfunction indicator lamp illumination due to any combination of diagnostic trouble codes P0068 P0101 P0106 P0171 P0131 P0137 P0324 P0326 P0331 P0506.
- [10159634](https://open.wenmarpro.com/bulletins/10159634), 2019-05-13: This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information ? Malfunction Indicator Lamp \(MIL\) On DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2.
- [10140350](https://open.wenmarpro.com/bulletins/10140350), 2018-06-11: This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information ? Malfunction Indicator Lamp \(MIL\) On DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2.
- [10140347](https://open.wenmarpro.com/bulletins/10140347), 2018-06-11: This engineering informational bulletin ends the need for information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTC P0171 and/or P0174.
- [10139190](https://open.wenmarpro.com/bulletins/10139190), 2018-06-04: This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information ? Malfunction Indicator Lamp \(MIL\) On DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2.
- [10137690](https://open.wenmarpro.com/bulletins/10137690), 2018-05-21: This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTC P0171 and/or P0174.
- [10134633](https://open.wenmarpro.com/bulletins/10134633), 2018-04-23: This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information ? Malfunction Indicator Lamp \(MIL\) On DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2.
- [10129903](https://open.wenmarpro.com/bulletins/10129903), 2018-03-12: This Preliminary information communicates additional diagnosticsand repairto assist in resolving a malfunction indicator lampillumination due to any combination of diagnostic trouble codes P0068 P0101 P0106 P0171 P0131 P0137 P0324 P0326 P0331 P0506.
- [10123274](https://open.wenmarpro.com/bulletins/10123274), 2017-11-14: This Preliminary information communicates additional diagnosticsand repairto assist in resolving a malfunction indicator lampillumination due to any combination of diagnostic trouble codes P0068 P0101 P0106 P0171 P0131 P0137 P0324 P0326 P0331 P0506.