{"nhtsa_id":10187810,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-02","date":"2021-02-10","document_id":"21B07","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"In the affected vehicles, a battery drain may occur under a certain sequence of events due to a logic error in the ITRM. Under certain specific sequence, the ITRM battery drain may result in the inability to start the vehicle. A customer could experience a battery drain within 14 hours under the following conditions: the trailer is connected, vehicle is unlocked, parked, and the engine is off.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187810-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187810-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10187810","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-150","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_ford_f-150"]}],"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":[]}