{"nhtsa_id":10188418,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-08","date":"2021-01-11","document_id":"PIE0609","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced alternator output.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10188418-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10188418-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10188418","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_cadillac_escalade-esv"]},{"make":"CADILLAC","model":"ESCALADE NA","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_cadillac_escalade"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2019,"year_to":2021,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 4500","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2019,"year_to":2021,"match":"base","vehicle_ids":["2019_gmc_sierra","2020_gmc_sierra","2021_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_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":[]}