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LAN System: Self-Diagnosis

DTC DETECTION CONDITION CHART

DTC Self-diagnosis item (SDT indication) DTC detection condition Inspection/Action
U0101 LOST COMM (TCM) When ECM is not transmitting or receiving CAN communication signal of OBD (emission-related diagnosis) from TCM for 2 seconds or more. Refer to .
U0140 LOST COMM (BCM) When ECM is not transmitting or receiving CAN communication signal of OBD (emission-related diagnosis) from BCM for 2 seconds or more.
U1000 CAN COMM CIRCUIT When a control unit (except for ECM) is not transmitting or receiving CAN communication signal for 2 seconds or more.
U1001 CAN COMM CIRCUIT When ECM is not transmitting or receiving CAN communication signal other than OBD (emission-related diagnosis) for 2 seconds or more.
U1002 SYSTEM COMM When a control unit is not transmitting or receiving CAN communication signal for 2 seconds or less. Start the inspection. Refer to the applicable section of the indicated control unit.
U1010 CONTROL UNIT(CAN) When an error is detected during the initial diagnosis for CAN controller of each control unit. Replace the control unit indicating "U1010" or "P0607".
P0607 ECM