P0174 on GMC vehicles The engine is running lean on bank 2
P0174 is named on 12 GMC model years (2016–2022): 41 manufacturer filings and 0 owner reports in NHTSA’s files, across Acadia, Terrain, Canyon.
Which GMC model years name P0174
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2017 GMC Acadia | Fuel/Propulsion System | 7 | — |
| 2018 GMC Acadia | Fuel/Propulsion System | 5 | — |
| 2017 GMC Terrain | Fuel/Propulsion System | 5 | — |
| 2016 GMC Acadia | Fuel/Propulsion System | 5 | — |
| 2016 GMC Terrain | Fuel/Propulsion System | 5 | — |
| 2018 GMC Terrain | Fuel/Propulsion System | 4 | — |
| 2017 GMC Canyon | Engine | 3 | — |
| 2021 GMC Canyon | Electrical System | 2 | — |
| 2020 GMC Canyon | Electrical System | 2 | — |
| 2022 GMC Canyon | Electrical System | 1 | — |
| 2019 GMC Canyon | Engine | 1 | — |
| 2018 GMC Canyon | Electrical System | 1 | — |
A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.
GMC filings that name P0174
Source: NHTSA manufacturer communicationsBulletins and campaigns GMC filed with NHTSA whose summary names P0174. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- PIE0433A Service bulletin2017-10-31 · Fuel System, Gasoline
- 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.
- PIE0413 Service bulletin2017-05-11 · Engine
- 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.
- PIE0433A Service bulletin2017-12-21 · Electrical System — Software
- 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.
- PIE0433A Service bulletin2017-11-28 · Fuel System, Gasoline
- 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.
- PIE0413A Service bulletin2017-11-14 · Engine
- 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.
- 22-NA-171 Service bulletin2023-01-19 · Engine And Engine Cooling
- 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.
- 21NA105 Service bulletin2021-04-29 · Electrical System
- This technical bulletin provides repair information to correct a customer concern of Engine Control Module Calibration for DTC P0171 and P0174 Set.
What P0174 means
Source: SAE J2012 / OBD-IIThe engine is running lean on bank 2.
A stored code names the test that failed, never the part that caused it. The record above is what GMC and its owners have filed about it; the code’s page across every make has the whole file.
Common questions
Source: NHTSA files and the OBD-II standardIs P0174 a known problem on GMC vehicles?
It is a documented one: NHTSA's files hold 41 manufacturer filings and 0 owner reports naming P0174 on 12 GMC model years (2016–2022). Whether it is a problem on one particular car is a diagnosis, not a count — but a bulletin that names the code on your model year is the place to start.
Which GMC models does P0174 appear on most?
2017 Acadia (7 documents), 2018 Acadia (5 documents), 2016 Acadia (5 documents).
Does P0174 on a GMC mean it is recalled?
No. Recalls are filed by campaign and matched by VIN; no recall is triggered by a scan tool. Check the VIN at nhtsa.gov/recalls, or open the model year's page here for the campaigns filed against it.