{"vehicle":{"id":"2007_gmc_yukon-xl","year":2007,"make":"GMC","model":"Yukon XL"},"code":"P0174","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":3,"bulletins":[{"nhtsa_id":10114925,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2015-10-26","document_id":"PIP5341","mfr_campaign":null,"component":"EQUIPMENT ADAPTIVE/MOBILITY; ENGINE","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10114925-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10114925-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10114925"},{"nhtsa_id":10024785,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-05-20","date":"2008-03-01","document_id":"08-06-04-016","mfr_campaign":null,"component":"SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER","summary":"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","document":null,"url":"https://open.wenmarpro.com/bulletins/10024785"},{"nhtsa_id":10023215,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2007-11-02","date":"2007-10-01","document_id":"070604027","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS","summary":"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","document":null,"url":"https://open.wenmarpro.com/bulletins/10023215"}],"url":"https://open.wenmarpro.com/makes/gmc/yukon-xl/2007/bulletins?code=P0174"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/gmc/yukon-xl/2007/codes/P0174","note":"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.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}