{"nhtsa_id":11036635,"type":"warranty_extension","type_name":"Warranty extension","date_added":"2026-09-02","date":"2026-08-27","document_id":"26-01-069H TSB","mfr_campaign":"999A","replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Certain Santa Fe Hybrid (MX5A HEV) vehicles may experience a condition where a DTC triggered in the Hybrid Power Control Unit (HPCU) cannot be cleared, even after the cause has been corrected. This bulletin provides instructions to perform an HPCU software update to correct this condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036635-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036635-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036635","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"SANTA FE HYBRID","year_from":2027,"year_to":2027,"match":"base","vehicle_ids":["2027_hyundai_santa-fe"]}],"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":[]}