{"nhtsa_id":10058510,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-09-30","date":"2015-07-01","document_id":"TB-PS-422","mfr_campaign":null,"replaces":null,"component":"ELECTRONIC STABILITY CONTROL (ESC)","mfr_system":null,"summary":"KIA: SOME VEHICLES WOULD HESITATE ON HARD ACCELERATION AND ELECTRONIC STABILITY CONTROL (ESC) LIGHT ILLUMINATES; WOULD NEED TO REPLACE HYDRAULIC ELECTRONIC CONTROL UNIT (HECU) WITH LATEST SOFTWARE MODULE. MODEL 2012-13 OPTIMA. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10058510","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"OPTIMA","year_from":2012,"year_to":2013,"match":"exact","vehicle_ids":["2012_kia_optima","2013_kia_optima"]}],"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":[]}