{"nhtsa_id":11014989,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-03-05","date":"2025-02-28","document_id":"TSB250044","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 air compressor of the battery electric system which may have an internal high voltage interlock loop issue, resulting in fault code 8174 (HVESS HVIL Status - Voltage Below Normal or Shorted to Low Source) and fault code 8175 (HVESS HVIL Status - Condition Exists) being reported.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014989-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014989-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11014989","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":[]}