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FL -426 FUEL SYSTEM DTC P1587 CAN COMMUNICATION ERROR (MT/AT RECOGNITION ERROR) GENERAL DESCRIPTION EA2971F0 Because both A/T and M/T fuel control map is inputted in one type of ECM and selecting option is possible, one type A/T : ECM connector C230-K terminal 81 is grounded DTC DESCRIPTION EA904FAB P1587 is set when ECM is recognized as 1)A/T but CAN communication signal is not transmitted from TCM 2)M/T but DTC DETECTING CONDITION E0D1E93B Item Detecting Condition Possible Cause DTC Strategy • Voltage monitoring Enable Conditions • Engine running Threshold Value • TCM signal is not detected at A/T vehicle TCM signal is detected at M/T vehicle Diagnostic Time • 1.0 sec. Fuel cut NO EGR Off NO Fuel Limit NO Fail Safe Check Lamp NO • Glow Lamp blinks. • A/T, M/T recognition terminal circuit • CAN communication line circuit • TCM component failure |