Group 43 MID 130 Transmission Control Unit, Fault Codes 19 Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 3 • Voltage above normal or shorted high • Signal or supply voltage is above normal range • Yellow lamp is sent • Slow gear changes • Rough gear changes • N/A FMI 4 • Voltage below normal or shorted low • Signal and supply voltage is below normal range • Yellow lamp is sent • Slow gear changes • Rough gear changes • N/A FMI 5 • Current below normal or open circuit • Signal voltage is below normal range • Supply voltage is in the normal range • Yellow lamp is sent • Slow gear changes • Rough gear changes • N/A