{"nhtsa_id":10232781,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-03-13","date":"2023-01-10","document_id":"SIL-08-TR-22","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Servicing tip for vehicles with DTC P0602","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10232781-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10232781-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10232781","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0602"],"topics":[],"vehicles":[{"make":"ALLISON","model":"1000 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON","model":"2000 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON","model":"3000 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON","model":"4000 SERIES 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":[]}