{"nhtsa_id":10208545,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-03-03","date":"2022-02-10","document_id":"KC-2040","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY","mfr_system":null,"summary":"P21CA00 And Other Power Faults Leading To Communication Faults And SCR Inducement (Derate)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10208545-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10208545-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10208545","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"battery","name":"12-volt battery","parent":"electrical"}],"codes":["P21CA"],"topics":[],"vehicles":[{"make":"MACK","model":"MACK","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":[]}