{"nhtsa_id":11029641,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-03-05","date":"2026-02-26","document_id":"46-025","mfr_campaign":"46-025","replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":"Software","summary":"Software updates are available for certain Peterbilt Model 220 BEVs that experience battery pack cell imbalances.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029641-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029641-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029641","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"K270","year_from":2023,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"K370","year_from":2023,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"PETERBILT","model":"220","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_peterbilt_220"]},{"make":"PETERBILT","model":"220","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_peterbilt_220","2025_peterbilt_220"]}],"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":[]}