{"nhtsa_id":10180099,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-09-24","date":"2020-09-16","document_id":"SS1034670","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:IGNITION; ENGINE; EQUIPMENT","mfr_system":null,"summary":"Service Solution for Fault Code VRDU 524127/9 - Lost Communication with the MPC. This Service Solution has been superseded to service bulletins SB 54-336 and 54-329. Please see the service bulletins for the most current information. VRDU fault code 524127/9 is often caused by lack of ignition supply to the MPC, which causes it to stop communicating. This usually occurs when voltage is low.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10180099-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10180099-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10180099","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"ignition","name":"Ignition","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_freightliner_cascadia","2021_freightliner_cascadia"]}],"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":[]}