Multiquip

LOW DEF SHUTDOWN

UnclassifiedEmissions

What This Code Means

DEF indicator displayed on digital controller; Controller displays 'DEF Fluid Low PA' message; Engine shutdown; Engine will not restart; Controller displays 'LOW DEF SHUTDOWN' message; DEF indicator displayed next to a diagnostic message

Possible Causes

  • •DEF tank level is below 10%
  • •DEF tank level falls to 5% or below
  • •DEF quality is poor

Suggested Actions

  1. 1Check the DEF tank level
  2. 2Replenish DEF fluid
  3. 3Replenish DEF to 10% or more
  4. 4Check active diagnostic trouble codes (DTC)

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