Service bulletins for the 2008 GMC Yukon XL
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.
1197 on file from NHTSA, as of 2026-10-19.
About P0171 on the 2008 GMC Yukon XL: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0171 are shown. Show all
| PIP5341 | 2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that engine runs and idles rough. Technician will find P0171 and or P0174. Technician will need to inspect the positive crankcase ventilation tube for a vacuum leak on the left side of the engine. Replace positive crankcase ventilation air tube and cover it with conduit to protect from repeat damage. |
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| 08-06-04-016 | 2008-05-20. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER. DIAGNOSTIC INFORMATION ON MIL/SES WITH DTC P0171 (FUEL TRIM SYSTEM LEAN BANK 1) AND/OR P0174 (FUEL TRIM SYSTEM LEAN BANK 2) AFTER BRAKE MASTER CYLINDER REPLACEMENT. *NJ |
| 070604027 | 2007-11-02. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. EI07239 - 5.3L, LMG, LC9 DRIVEABILITY SYMPTOMS, HESITATION, MISS, LACK OF POWER, DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P0171, P0172, P0174, P1174, P1175, CHECK ENGINE LIGHT, MIL, INJECTOR. *NJ UPDATED 2/19/08. *NJ |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.