{"nhtsa_id":11023663,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-10-03","date":"2025-10-01","document_id":"25-01-068H TSB","mfr_campaign":"TEK","replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may exhibit a condition where the Oil Pump Unit (OPU) prevents the Ready Lamp from turning on. Some vehicles may also display DTC U100787 (malfunction on CAN communication). This bulletin provides instructions to update the Powertrain Control Unit (PCU) software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023663-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023663-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023663","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["U1007"],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"TUCSON HYBRID","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_hyundai_tucson"]},{"make":"HYUNDAI","model":"TUCSON PLUG-IN HYBRID","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_hyundai_tucson"]}],"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":[]}