{"nhtsa_id":10189140,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-17","date":"2021-03-16","document_id":"SB 21-350","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"Pre-2021 Half/Pack® and Pre-2021 Half/Pack® (featuring Odyssey® Controls): Cortex Controller™ Required Firmware and Program Update This Service Bulletin provides instructions on how to perform the required update of the Cortex Controller™ (CR0233) on Heil units listed below. This update improves data reliability for Connected Collections™ and corrects a boot up problem that some Cortex Controllers experience in cold weather.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189140-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189140-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10189140","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HEIL","model":"HEIL","year_from":null,"year_to":null,"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":[]}