{"nhtsa_id":10203307,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-11-08","date":"2021-06-25","document_id":"TSB210136","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of occurrences of Fault Code 1922, 1921, and 2639 with Long Idle or PTO Operation caused by possible overestimation of soot load by the engine control module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203307-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203307-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10203307","components":[{"id":"engine","name":"Engine","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":[]}