{"nhtsa_id":10110330,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-04","date":"2017-04-03","document_id":"TSB170042-040320","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:IGNITION","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of electrical arcing through ignition coil extension in area where silicone extension tube is connected to spark plug boot adapter can cause visible damage and burn marks to ignition coil extension tube. Ignition coil extension dielectric heat shrink is improperly being removed. Never remove clear dielectric heat shrink wrap from ignition coil extension.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10110330-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10110330-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10110330","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"ignition","name":"Ignition","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"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":[]}