{"nhtsa_id":11034575,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-07","date":"2026-06-23","document_id":"TSB260091","mfr_campaign":null,"replaces":null,"component":"FUEL/PROPULSION SYSTEM","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution steps for the HVIL loop of the battery electric system which may includes a 2A-rated HVIL circuit within the traction inverter, resulting in conditions where if the HVIL loop experiences a short to ground, the traction inverter HVIL circuit will fail first because of the current capacity rating of 2A such that failure can be misinterpreted as an internal traction inverter fault when the actual root cause is external to the traction inverter.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034575-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034575-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034575","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"BES","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":[]}