Toyota Avalon Service & Repair Manual > Can Communication System(for Hv Model): ECU Malfunction (B1003)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Note B1003 ECU Malfunction A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected. Central gateway ECU (network gateway ECU) - PROCEDURE 1. RECONFIRM DTC OUTPUT (a) Connect the Tec ...
