Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lane Departure Alert System (w/ Steering Control)(for Gasoline Model): Driving Support ECU Receive Data Malfunction (C1A73)
DESCRIPTION If a communication error between the driving support ECU assembly and another ECU is detected, DTC C1A73 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A73 Driving Support ECU Receive Data Malfunction 2 seconds after the engine switch is turned on (IG), a commun ...
