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U0100 LOST COMMUNICATION (ECM A) TM-511 < DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F10G] C E F G H I J K L M A B TM N O P U0100 LOST COMMUNICATION (ECM A) DTC Logic INFOID:0000000010245581 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PREPARATION BEFORE WORK If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Start the engine and wait for at least 5 seconds. 2. Check the DTC. Is “U0100” detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000010245582 For the diagnosis procedure, refer to LAN-24, "Trouble Diagnosis Flow Chart" DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition Possible causes U0100 LOST COMM (ECM A) When the ignition switch is ON, TCM is un- • ECM (CAN communication line is open or |