Toyota Avalon Service & Repair Manual > Dynamic Radar Cruise Control System(for Gasoline Model): Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129)
DESCRIPTION The driving support ECU assembly communicates with each sensor and ECU via CAN communication. If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area MIL U0100 Lost Co ...