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)
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 connector (bus buffer ECU) cannot be received. DTC No. Detec ...
