{"nhtsa_id":10180725,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-10-06","date":"2020-09-25","document_id":"43-064","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; ENGINE","mfr_system":null,"summary":"Information only: Peterbilt has determined that certain Models 567 and 579 vehicles built between July 06, 2012 and March 27, 2020 with the PACCAR MX-13 Engine may experience an overspeed lamp illuminating during a smoke opacity test. If the lamp illuminates, it is not an indication of a problem with the vehicle but may cause the inspector to not allow the vehicle to operate in California.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10180725-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10180725-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10180725","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"PACCAR","model":"MX-13","year_from":2013,"year_to":2021,"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":[]}