{"nhtsa_id":10238838,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-07-07","date":"2023-06-27","document_id":"ATC2711","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This ATC is being issued to address interference between rocker lever cover and injectors due to residual material on certain X12 certified engines. The residual material on rocker lever cover may lead to progressive damage to injectors or injector harnesses that can cause fault codes and low engine performance. This ATC enables authorized repair locations to remove residual material, commonly known as nubs, from rocker lever cover that may resolve the condition described above.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10238838-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10238838-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10238838","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"X12","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":[]}