{"nhtsa_id":10146008,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-10-22","date":"2018-06-29","document_id":"L-SB-0023-18","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM","mfr_system":null,"summary":"TSB: Some 2016 ? 2018 model year RX 450h and 2018 model year RX 450h L vehicles may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P3190 (Poor Engine Power). This condition may occur when operating the vehicle in high altitude and high temperature conditions. The engine control module/ECM (SAE Term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Follow the Repair Procedure in this bulletin to address this condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10146008-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10146008-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10146008","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["P3190"],"topics":[],"vehicles":[{"make":"LEXUS","model":"RX HYBRID","year_from":2016,"year_to":2018,"match":null,"vehicle_ids":[]}],"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":[]}