{"nhtsa_id":11029826,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-06","date":"2026-02-03","document_id":"TSB260011","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution steps for the Turbocharger Control Housing (Part Number 5467785) which may not be fitted with orifice Part Number 5530645 prior to installation of the Wastegate Control Valve (WGCV), resulting in fault code 2989 being set.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029826-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029826-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029826","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISX12N","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":[]}