{"nhtsa_id":10202734,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-11-03","date":"2021-10-14","document_id":"SF615","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Stoneridge ICUC Replacement. Certain vehicles equipped with a Stoneridge instrument control unit common (ICUC) were programmed using a new method to improve efficiency and align with programming for European ICUCs. All ICUCs built using the new method are permanently in the \"read only\" mode, and any attempt to flash will corrupt the ICUC memory.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10202734-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10202734-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10202734","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["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":[]}