6420 electric problem

/ 6420 electric problem #1  

billeoff

New member
Joined
Aug 10, 2019
Messages
2
Location
Clinton Arkansas
Tractor
John Deere 6420
HELP HELP I have 6420 bought new 2006 has 2000 hr blue light comes code 639 2 BIF looked up this code BIF 000639.02 says 29-BIT CAN BUS open circuit what does this mean tractor runs fine sometimes this light does not come on for days then all of sudden comes on.. I need to plant wheat would be big problem for me to take to dealer. THANKS ANYONE IN ADVANCE FOR ANY HELP!!! If it want hurt tractor i will keep running !!!! Bill Eoff Clinton AR
 
/ 6420 electric problem #2  
It will not hurt to keep running. Usually there are some electrical functions that do not work when you have this code. Is everything working?
 
/ 6420 electric problem
  • Thread Starter
#3  
It will not hurt to keep running. Usually there are some electrical functions that do not work when you have this code. Is everything working?

Thank you everything works fine stopped by jd dealer said same thing said check connection on water separator i did push in on all fuses make sure they make contact then light off working good going to plant wheat week or so lot rain here in AR wet Thanks again BE
 

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