{"nhtsa_id":10176604,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-06-22","date":"2020-05-13","document_id":"TSB200113-051320","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of more demanding duty cycles that result in increased spark plug wear, resulting in a reduction of spark plug life.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176604-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176604-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10176604","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISX","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISX12 G","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}