# P0171 on the 2016 Buick Enclave

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
- [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.
- [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.
- [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.