{"nhtsa_id":11012057,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-12-23","date":"2024-12-23","document_id":"TSB_ELE364","mfr_campaign":"SA596","replaces":null,"component":"FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM","mfr_system":"ELE","summary":"TECHNICAL SERVICE BULLETIN: SERVICE ACTION: MOTOR CONTROL UNIT (MCU) LOGIC IMPROVEMENT (SA596) - This bulletin provides the procedure to update the Motor Control Unit (MCU) software on certain 2025MY Sorento HEV (MQ4 HEV) vehicles equipped with 19” wheels and produced from March 4, 2024 through November 9, 2024. The affected vehicles may exhibit traction motor noise, an inoperable A/C, and illuminated warning lights with DTCs P0A3C, P0AF0, P1B77 stored due to intermittent traction motor operation when the hybrid system powers ‘OFF’ during the engine clutch calibration procedure.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11012057-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11012057-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11012057","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":["P0A3C","P0AF0","P1B77"],"topics":[],"vehicles":[{"make":"KIA","model":"SORENTO HYBRID","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_kia_sorento"]}],"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":[]}