Service bulletins for the 2015 GMC Terrain
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1573 on file from NHTSA, as of 2026-10-19.
About P0174 on the 2015 GMC Terrain: what the code means, and the bulletins and recalls about the same components.
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By component
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Only bulletins with trouble code: P0174 are shown. Show all
| PIE-0433A | 2021-04-19. Service bulletin. FUEL SYSTEM, OTHER; EQUIPMENT. Engineering Information – Malfunction Indicator Lamp (MIL) On, DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2 |
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| PIE0433 | 2019-05-13. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. 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 | 2018-06-11. Service bulletin. 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. |
| PIE0433A | 2018-06-04. Service bulletin. 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 | 2018-04-23. Service bulletin. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.