E4346.04

Massey Ferguson E4346.04 – Engine Control Unit (ECU): DEF Injector Supply Heater Resistance Is Low

Issue description

The system has detected that the electrical resistance in the heater circuit for the Diesel Exhaust Fluid (DEF) injector supply line has dropped below the acceptable threshold, which typically points to a short circuit or a failing heater element.

Applies to these machines

  • 7616
  • 5612
  • 7622
  • Interim Tier 4 (2012-2015)
  • 7614
  • 5611
  • 7615
  • 5610
  • 5613
  • 7620
  • 5609
  • 7618
  • 5608
  • 7619
  • 7626
  • 7624
  • MF 4707
  • MF 4708
  • MF 4709
  • MF 4710
  • MF 5608
  • MF 5609
  • MF 5610
  • MF 5611
  • MF 5612
  • MF 5613
  • MF 5710 SL
  • MF 5711 SL
  • MF 5712 SL
  • MF 5713 SL
  • MF 7614
  • MF 7615
  • MF 7616
  • MF 7618
  • MF 7619
  • MF 7620
  • MF 7622
  • MF 7624
  • MF 7626
  • MF 7714
  • MF 7715
  • MF 7716
  • MF 7716S
  • MF 7718
  • MF 7718S
  • MF 7719
  • MF 7720
  • MF 7720S
  • MF 7722
  • MF 7722S
  • MF 7724
  • MF 7724S
  • MF 7726
  • MF 7726S

Check the cause

  1. Access the diagnostic mode on the tractor's control panel by pressing the 'Diagnosis' or 'Diagnostic Codes' button to view active and stored codes

Parts you might need

(2)
  • DEF Injector Supply Heater

  • DEF Injector Supply Pipe Heater

Get help to fix this fault by requesting a quote

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