{"nhtsa_id":10154189,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-03-11","date":"2019-02-10","document_id":"4-EP-13EN Rev B","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Relates to Increased Accessory Power 1 (IAP1) and IAP2 systems and serviceability information","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10154189-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10154189-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10154189","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ALLISON","model":"TRANSMISSION","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":[]}