Home >> Lexus >> 2013 >> GS 350 AWD V6-3.5L (2GR-FSE) >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Technical Service Bulletins >> All Technical Service Bulletins >> Campaign - ECM Reflash For 3rd Gear Upshift Sensation >> Technical Instructions >> I. Operation Flow Chart