{"nhtsa_id":10172592,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-03-19","date":"2020-03-18","document_id":"SS1034670","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Service Solution for fault code VRDU 524127/9 - lost communication with the MPC. VRDU fault code 524127/9 is often caused by lack of ignition supply to the MPC, which causes it to stop communicating.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10172592-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10172592-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10172592","components":[{"id":"electrical","name":"Electrical system","parent":null}],"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":[]}