{"nhtsa_id":10179642,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-09-14","date":"2020-08-20","document_id":"PIP5647B","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE; FUEL SYSTEM, GASOLINE","mfr_system":null,"summary":"This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Engine oil level will be found over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. Small gas engines (SGE) May only have the engine oil level over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. This concern is caused by marshalling the vehicle around the lot before it is sold and/or short driver cycles.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10179642-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10179642-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10179642","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ENCORE","year_from":2016,"year_to":2020,"match":"exact","vehicle_ids":["2016_buick_encore","2017_buick_encore","2018_buick_encore","2019_buick_encore","2020_buick_encore"]},{"make":"CHEVROLET","model":"CRUZE","year_from":2016,"year_to":2019,"match":"exact","vehicle_ids":["2016_chevrolet_cruze","2017_chevrolet_cruze","2018_chevrolet_cruze","2019_chevrolet_cruze"]},{"make":"CHEVROLET","model":"EQUINOX","year_from":2018,"year_to":2020,"match":"exact","vehicle_ids":["2018_chevrolet_equinox","2019_chevrolet_equinox","2020_chevrolet_equinox"]},{"make":"CHEVROLET","model":"MALIBU","year_from":2016,"year_to":2020,"match":"exact","vehicle_ids":["2016_chevrolet_malibu","2017_chevrolet_malibu","2018_chevrolet_malibu","2019_chevrolet_malibu","2020_chevrolet_malibu"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2019,"year_to":2020,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 1500","year_from":2019,"year_to":2020,"match":"base","vehicle_ids":["2019_gmc_sierra","2020_gmc_sierra"]},{"make":"GMC","model":"TERRAIN","year_from":2018,"year_to":2020,"match":"exact","vehicle_ids":["2018_gmc_terrain","2019_gmc_terrain","2020_gmc_terrain"]},{"make":"GMC","model":"YUKON","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_gmc_yukon"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}