{"nhtsa_id":11023139,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-09-16","date":"2025-09-10","document_id":"TSB 25-2420","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ENGINE","mfr_system":null,"summary":"Some of the vehicles listed in the Model statement above built with minor feature code AAZNQ or AAZNS (gross vehicle weight rating ÝGVWR¨ 9,900 lb. or 10,000 lb. pounds) may exhibit an incorrectly illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P20EE stored in the powertrain control module (PCM). This may be due to the calibration in the PCM. This condition does not affect vehicle drivability or durability. To confirm a vehicle is built with a certain minor feature code, review the build information by double-clicking the vehicle identification number (VIN) in the upper left corner in the Professional Technician System (PTS).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023139-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023139-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023139","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P20EE"],"topics":[],"vehicles":[{"make":"FORD","model":"F-250 SD","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_ford_f-250","2025_ford_f-250"]},{"make":"FORD","model":"F-350 SD","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_ford_f-350","2025_ford_f-350"]},{"make":"FORD","model":"F-450 SD","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_ford_f-450","2025_ford_f-450"]},{"make":"FORD","model":"F-550 SD","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_ford_f-550","2025_ford_f-550"]}],"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":[]}