{"nhtsa_id":10230494,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-02-02","date":"2023-01-04","document_id":"SC252_TSB_R1","mfr_campaign":null,"replaces":null,"component":"ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); PARKING BRAKE; FORWARD COLLISION AVOIDANCE; SERVICE BRAKES, HYDRAULIC","mfr_system":null,"summary":"TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: HECU INSPECTION /REPLACEMENT (SC252A/B/C) - 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 inspect and, if necessary, replace the Hydraulic Electronic Control Unit (HECU) on certain K5 (DL3a) and Telluride (ON) and Sorento (MQ4a) vehicles produced on the dates shown in Table below. The HECU in the subject vehicles may have been produced with a condition that can result in an internal brake fluid leak. If an internal brake fluid leak occurs, the Electronic Parking Brake (EPB) light, Anti-Lock Brake System (ABS) light, Electronic Stability Control (ESC) light, Auto-Hold light and/or Forward Collision-Avoidance Assist (FCA) light may illuminate, or a Smart Cruise Control (SCC) warning message may appear on the instrument cluster. If this occurs, EPB, ESC and Auto-Hold functions may be disabled","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10230494-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10230494-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10230494","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"parking-brake","name":"Parking brake","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"K5","year_from":2022,"year_to":2023,"match":"exact","vehicle_ids":["2022_kia_k5","2023_kia_k5"]},{"make":"KIA","model":"SORENTO","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_kia_sorento"]},{"make":"KIA","model":"TELLURIDE","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_kia_telluride"]}],"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":[]}