{"nhtsa_id":10241564,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-09-02","date":"2023-08-11","document_id":"21TS-14REV1","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Revised Detroit Technical Service letter for Gen 5 DD15 Exhaust Valve Adjusting Screw Excessive Wear & Increased Engine Idle Speed w/ DiagnosticLink Routine Impact being superceded by 23TS-07","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241564-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241564-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241564","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"DETROIT DIESEL","model":"DETROIT DIESEL","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":[]}