{"nhtsa_id":10123207,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-14","date":"2017-10-23","document_id":"TSB170108-100920","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution to cracks found on single module aftertreatment selective catalytic reduction (SCR) insulation heat shields. The aftertreatment SCR is not to be replaced for insulation heat shield cracking. Aftertreatment SCR insulation heat shield cracking does not impact emissions or engine operation and is an aesthetic issue only.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10123207-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10123207-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10123207","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"X15","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":[]}