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  1. S

    Deere 544H park brake unresponsive

    I did notice this today . the main power disconnect is bad , machine will crank and start with switch in the off position
  2. S

    Deere 544H park brake unresponsive

    It is .006 volts , I went through my notes from months ago and it was .007 volts.
  3. S

    Deere 544H park brake unresponsive

    ok , glad I checked it .112
  4. S

    Deere 544H park brake unresponsive

    AC volts ? I don't you mean DC ? its got 27.92 volts at the alternator , 27.83 at the starter , 27.97 on the display , at the tcu P02 27.79 volts , P24 26.92 volts , M 12-13 2.46-2.35 volts . went back through the reprograming of the monitor and then park brake would release , shut it off...
  5. S

    Deere 544H park brake unresponsive

    I took the tcu apart to look , everything looked normal other than a couple gray solder joints . got fairly aggressive with the wiring harness trying to see a change on the display .
  6. S

    Deere 544H park brake unresponsive

    I reconfigured the monitor and had some codes because I didn't turn some things on and everything worked great for 3 days , I ran it everyday just to check . then on the 4th day it was back ,, dashes on the display, park brake would not release , 1655 code . BUT also codes 1664 (brake light...
  7. S

    Deere 544H park brake unresponsive

    I have the file on the reconfiguring steps just never did it . the parking brake issue started long before the monitor was replaced .
  8. S

    Deere 544H park brake unresponsive

    MG2361 if I could ask for your help again . only code is 1655 , everything else works as it should. I rechecked M-12,M-13 and RO2 for continuity . ok check ohms of M-12 , M-13 at TCU , CCU , term resistor . 63.3 ohms at MDU term resistor. 64.3 , at MDU plug A and B. 65.4 ohms checked volts at...
  9. S

    Deere 544H park brake unresponsive

    well , after 6 months of machine working as it should its back to doing the same thing . code 1655 no tcu transmit . I tried unplugging the tcu and replug like I did last time , no change .. I have all my notes from last time and I will go though everything again. if anyone has had code...
  10. S

    Tigercat 630c problems

    Im a logger from the south and new to this site . ive had a few Tigercat machines with axeltech diffs , ive rebuilt a couple and actually talked the guy at axeltech that designed them and he said that they were so strong and so few failures that no spare parts were built , that the only...
  11. S

    Deere 544H park brake unresponsive

    everything is still working . im going to wait til it does it again before I look for the problem . I want to thank you for your help
  12. S

    Deere 544H park brake unresponsive

    I had a few mins to do some checking today ,, I started out checking m12 & m13 by their self , I checked with terminating node installed and could not get a accurate reading , removed both nodes and retested , again didn't look right , showing 6.2 ohms on m12 and 8. to 10. on m13 . I was...
  13. S

    Deere 544H park brake unresponsive

    volts , key on , M-12 2.30 volts , M-13 2.19 volts , RO-2 .000 volts , GO-1 .007 volts . TCU volts at pin-1 .000 volts , pin-2 .007 volts . at monitor K wire .030 to .034 volts . I don't know if this is important but I rechecked ohms at M-12 and M-13 (key off)and its now 67.1 , I checked M-12...
  14. S

    Deere 544H park brake unresponsive

    did some testing today ,still codes 1655 and 1653 , now the park brake light doesn't stay on after bulb check , display still has dashes , no tach and showing volts 24-27 , ohms between M12 and M13 was 64.3 ,, M13 by itself 6.9, M12 by itself 1.8 , RO2 by itself .6 to 1.0 . on the tcu pin 45...
  15. S

    Deere 544H park brake unresponsive

    I went to the machine today but was only able to spend a hour , the machine is on a restricted site and they were doing HE testing. I got the original CAN hooked back up , checked ohms, key off, 63.8 ohms at m12-m13 .. just as I started on my to check list I got told I had 10 mins to leave ...
  16. S

    Deere 544H park brake unresponsive

    I didn't get a chance to get to the machine today , but did stop by the JD dealer and priced associated wiring harness ,wow , no way im going that route . I was able to get into the shop and talk to 2 techs ( ive known them for years) until service manger got back from lunch and told he was...
  17. S

    Deere 544H park brake unresponsive

    this has been going on for 5 years , the machine is not used often and sits for months at a time . but when it is used it will work normal for days then the next day it will not release , go to it the next day and all works fine . it had a issue with the monitor ( select button wouldn't work...
  18. S

    Deere 544H park brake unresponsive

    ive got a 544H with a similar problem , park brake will release and work for months , then next day it will not release , shows code 1655 when it doesn't . I have replaced the monitor , CAN from monitor to tcu and ccu .
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