{"nhtsa_id":10179881,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-09-16","date":"2020-09-03","document_id":"SS1034348","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Service Solution for New Cascadia Unintended 4-way Flashers Activation. As of 8/24/2020 SSAMs received an internal software change that cannot be updated in the field. The software change eliminates the unintended 4-way flasher activation issue documented in this solution. For P4 vehicles built before 8/24/2020 this solutions still applies.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10179881-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10179881-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10179881","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2017,"year_to":2021,"match":"exact","vehicle_ids":["2017_freightliner_cascadia","2018_freightliner_cascadia","2019_freightliner_cascadia","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":[]}