{"nhtsa_id":11006664,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-08-29","date":"2024-08-22","document_id":"TSB_TRA111_R1","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":"TRA","summary":"TECHNICAL SERVICE BULLETIN: 8-SPEED DUAL CLUTCH TRANSMISSION EOP SENSORLESS LOGIC IMPROVEMENT - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information to improve the Electric Oil Pump ‘EOP’ operation logic of the automatic transmission 'A/T’ on some 2021-2023MY Sorento (MQ4a) vehicles produced from September 9, 2020 through December 29, 2023 and 2021-2023MY K5 (DL3a) vehicles produced from March 24, 2020 to December 18, 2023, equipped with a 2.5L T-GDI Theta III engines and 8-Speed Dual Clutch Transmissions (DCT). The affected vehicles may exhibit abnormal/harsh shifting, gear slipping, no gear engagement in Drive ‘D’ and/or Reverse ‘R’ shift selection, accompanied by a Malfunction Indicator Lamp (MIL) ‘ON’ illuminated on the instrument cluster with DTC(s) P1C2D03, P1C2D1C, and/or P1C2E92 stored.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11006664-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11006664-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11006664","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P1C2D","P1C2E"],"topics":[],"vehicles":[{"make":"KIA","model":"K5","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_kia_k5","2022_kia_k5","2023_kia_k5"]},{"make":"KIA","model":"SORENTO","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_kia_sorento","2022_kia_sorento","2023_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":[]}