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Toyota Avalon Service & Repair Manual > Lane Departure Alert System (w/ Steering Control)(for Hv Model): Lost Communication with TCM (U0101,U0123,U0126,U0129,U0131,U0142,U0155,U0293)
DESCRIPTION When a malfunction is detected between various ECUs and sensors, these DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area U0101 Lost Communication with TCM 2 seconds after the power switch is turned on (IG), while the vehicle is being driven at 1 km/h or 1 mph o ...
