{"nhtsa_id":10125502,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-14","date":"2017-02-01","document_id":"TSB543A","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"Updated firmware has been released for the APU and DCP for APU's with serial number ETD22220943 or after. Follow the instructions in TSB-543 when replacing a DPC or APU controller as the replacement controller may require a firmware update.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10125502-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10125502-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10125502","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CARRIER TRANSICOLD","model":"CARRIER TRANSICOLD","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":[]}