{"nhtsa_id":11037479,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-09-23","date":"2026-09-04","document_id":"01-094","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; UNKNOWN OR OTHER","mfr_system":null,"summary":"[SmartAir / KIMS] A/C systems may shut down prematurely when voltage levels drop below a certain threshold.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037479-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037479-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037479","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T680","year_from":2024,"year_to":2027,"match":"exact","vehicle_ids":["2024_kenworth_t680","2025_kenworth_t680","2026_kenworth_t680","2027_kenworth_t680"]},{"make":"KENWORTH","model":"T880","year_from":2024,"year_to":2027,"match":"exact","vehicle_ids":["2024_kenworth_t880","2025_kenworth_t880","2026_kenworth_t880","2027_kenworth_t880"]},{"make":"KENWORTH","model":"W990","year_from":2024,"year_to":2027,"match":"exact","vehicle_ids":["2024_kenworth_w990","2025_kenworth_w990","2026_kenworth_w990","2027_kenworth_w990"]},{"make":"PETERBILT","model":"567","year_from":2024,"year_to":2027,"match":"exact","vehicle_ids":["2024_peterbilt_567","2025_peterbilt_567","2026_peterbilt_567","2027_peterbilt_567"]},{"make":"PETERBILT","model":"579","year_from":2024,"year_to":2027,"match":"exact","vehicle_ids":["2024_peterbilt_579","2025_peterbilt_579","2026_peterbilt_579","2027_peterbilt_579"]},{"make":"PETERBILT","model":"589","year_from":2024,"year_to":2027,"match":"exact","vehicle_ids":["2024_peterbilt_589","2025_peterbilt_589","2026_peterbilt_589","2027_peterbilt_589"]}],"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":[]}