Group 28 Troubleshooting MID 128 PID 81 Particulate Filter MID 128 PID 84 Vehicle Speed MID 128 PID 85 Cruise Control Status 17 Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause:
FMI 0 • Data valid but above normal operational range-most severe level • Moderately high pressure • Engine derate • Malfunction indicator lamp illuminated • Particulate Trap Pressure (PTP) Sensor failure FMI 2 • Data erratic, intermittent or incorrect • Sensor is not rational • Malfunction indicator lamp illuminated • Particulate Trap Pressure (PTP) Sensor failure FMI 3 • Voltage above normal or shorted high • Short to battery on the metering side • Open in the ground line • Malfunction indicator lamp illuminated • Particulate Trap Pressure (PTP) Sensor failure • Faulty Particulate Trap Pressure (PTP) Sensor connector • Faulty harness FMI 5 • Current below normal or open • Open in 5 volt supply line • Short to ground in metering line • Open in metering line • Malfunction indicator lamp illuminated • Particulate Trap Pressure (PTP) Sensor failure • Faulty harness FMI 12 • Bad intelligent device or component • Particulate Trap Pressure (PTP) Sensor signal high or low but still within range • Engine derate • Diesel Particulate Filter (DPF) is damaged, filled with soot or missing Type of fault:
FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 9 • Abnormal update rate • Missing signal from VECU • Engine derate • J1708 vehicle speed message does not exist, (VECU error) Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 9 • Abnormal update rate • Missing (Cruise Control) signal from VECU • Cruise Control does not work • No clutch info to EMS (J1939)