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Volvo Engine Code MID 128 PID 171 FMI 9
MID 128 PID 171 Ambient Temperature Type of fault: FMI 9 FMI Description: • Abnormal Update Rate Fault Condition: • This fault will become active when the Engine Management System (EMS) Module detects that the Ambient Air Temperature message from the Instrument Cluster Module does not exist. Possible Symptoms: • Malfunction indicator lamp illuminated Possible Cause: • Faulty Ambient Air Temperature Sensor harness