{"nhtsa_id":10189135,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-17","date":"2021-03-10","document_id":"B21030C","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"ServiceNews Article - If you are diagnosing a failure in a telematic control unit (TCU), never swap it with another from a donor vehicle. Swapping TCUs between two vehicles can cause communication issues with American Honda's cellular providers.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189135-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189135-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10189135","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ACURA","model":"ACURA","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":[]}