{"nhtsa_id":10212547,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-05-31","date":"2022-01-13","document_id":"TSB220009-011320","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of incorrect minimum gap clearance used for reused spark plugs. This condition may cause rough running conditions and multiple fault codes.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10212547-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10212547-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10212547","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"ignition","name":"Ignition","parent":"electrical"},{"id":"spark-plug","name":"Spark plugs","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISX12","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISX12G","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":[]}