{"nhtsa_id":10168955,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-12-09","date":"2019-11-04","document_id":"PIP5686A","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This Preliminary information communicates A vehicle may come into the dealer with a rough idle, lean running concern and/or air leak noise from the PCV system. Upon inspection the technician may find the SES lamp is illuminated and/or DTC?s P0171 and/or P0174 may be in active or stored history. This condition may be caused by an incorrectly installed foul air PCV tube or tube may be damaged","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168955-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168955-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10168955","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0171","P0174"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2019,"year_to":2020,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2019,"year_to":2020,"match":"base","vehicle_ids":["2019_gmc_sierra","2020_gmc_sierra"]}],"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":[]}