{"nhtsa_id":11015201,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-03-06","date":"2025-02-19","document_id":"SB970","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER; ELECTRICAL SYSTEM","mfr_system":null,"summary":"DSR-III microprocessor control boards will be replaced by DSR 3.1 microprocessor control boards due to obsolete components on the circuit board. Form, fit, and function are the same as DSR-III. DSR 3.1 requires new software (Msk841.xx) and new parameter files and is not backwards compatible with DSR-III.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015201-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015201-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11015201","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"THERMO KING","model":"V-220","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"THERMO KING","model":"V-320","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"THERMO KING","model":"V-800","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":[]}