{"nhtsa_id":10237589,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-06-08","date":"2023-06-02","document_id":"SSM 51677","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"Some 2021-2023 Bronco vehicles may exhibit an inaccurate AAT reading with DTC P0072 stored in the powertrain control module (PCM). The Workshop Manual (WSM), Section 413-01 > pinpoint test (PPT) BC has been updated to address this concern. The AAT WSM updates include: improved diagnosis and testing, AAT sensor reset, and the AAT sensor interaction with climate control system and gateway module A (GWM).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237589-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237589-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10237589","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"software","name":"Software","parent":"electrical"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["P0072"],"topics":[],"vehicles":[{"make":"FORD","model":"BRONCO","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_ford_bronco","2022_ford_bronco","2023_ford_bronco"]}],"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":[]}