Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Start Function, Gasoline Model): Lost Communication with ECM / PCM (U0100,U0140,U0142,U0155). Unable to Unlock Steering Wheel (Engine cannot Start)
Lost Communication with ECM / PCM (U0100,U0140,U0142,U0155) DESCRIPTION These DTCs are stored when there is a CAN communication malfunction between the certification ECU (smart key ECU assembly), ECM, main body ECU (multiplex network body ECU) or combination meter assembly, and data from the option ...
