7400

UnclassifiedStarting

What This Code Means

Engine WARNING response; Engine DERATE response; Engine SHUTDOWN response; Event logged into ECM

Possible Causes

  • •Critical operating coolant level reached
  • •Critical operating pressure level reached
  • •Critical operating speed (rpm) reached
  • •Critical operating temperature level reached
  • •Engine parameter exceeds acceptable range
  • •Setpoint for a parameter is exceeded

Suggested Actions

  1. 1Determine the cause of the engine shutdown and make necessary repairs
  2. 2Reset the particular shutoff before attempting to restart the engine
  3. 3See Service Manual 'Troubleshooting' module
  4. 4Use an ET service tool to select available responses, program monitoring levels, and set delay times

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