{"nhtsa_id":11023285,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-09-23","date":"2025-09-19","document_id":"TSB_TRA115","mfr_campaign":"SA630","replaces":null,"component":"POWER TRAIN","mfr_system":"TRA","summary":"TECHNICAL SERVICE BULLETIN: SERVICE ACTION: 8-SPEED TRANSMISSION GEAR SHIFT LOGIC IMPROVEMENT (SA630) - This bulletin provides information to upgrade the automatic transmission software on certain 2025MY K5 (DL3) vehicles equipped with a Theta III 2.5L GDI produced from February 20, 2024 through April 23, 2025, which may exhibit abnormal roughness or hesitation during gear shifts. Follow the procedure outlined in this publication to upgrade the software logic of the automatic transmission ‘AT’ system to improve shift response during acceleration.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023285-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023285-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023285","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"K5","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_kia_k5"]}],"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":[]}