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What does code sfu164 mean in freightliner cascadia?

SPN code 524923 - SPN 164 - Engine Control Module (ECM) Fuel Shutoff 1

Failure:

- Engine Speed Less Than Min Fuel Shutoff Speed (Low Limit)

Root Causes:

- Damaged or Dirty Fuel Shutoff Sensor

- Damaged Fuel Shutoff Solenoid

- Circuit Issue To or from the ECM

- Faulty ECM

DTC Set Conditions:

- Engine speed has been less than the minimum fuel shutoff speed the specified amount of time

DTC Clear Conditions:

- Code will automatically clear after engine restart