{"nhtsa_id":10201642,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-09-30","date":"2021-09-14","document_id":"21B32","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE","mfr_system":null,"summary":"Certain 2021 Model Year F-150 Trailer Perimeter Alarm ;In all of the affected vehicles, an unexpected perimeter alarm will activate when the vehicle meets the following conditions: vehicle with transmission in park, ignition off, doors locked, perimeter alarm enabled, and a trailer connected","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201642-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201642-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10201642","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"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":[]}