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Old 05-07-2010, 02:36 PM   #1
case120
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Problem with pto case mx120

Hi
I have been having a problem with my case Mxm 120. The code displaying is p34 and p40. I am not quite sure what the problem is but the pto is not engaging.
anyone have any idea what p34 or p40 are?
thanks in advance



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Old 05-07-2010, 03:09 PM   #2
SHARTEL
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Hello Case120 and welcome to TRACTORFORUM!

I remember someone talking about something like this awhile ago. I looked for error codes and your model Case. What I found: ( Case Tractors - Lynx Applications ) seems to not be working or corrupted.

In the meantime, I'll be asking other members and staff if they have any resources that may help you, so please be patient , and have a look around .

Shartel



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Old 05-07-2010, 03:14 PM   #3
case120
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Thanks very much SHARTEL. Really appreciate it!!

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Old 01-24-2012, 03:03 PM   #4
rocket20000
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I was wondering if you ever figured out the problem with your pto. I have the same problem, p34 and p40 codes and my mfwd is engaged all the time. The mfwd button light isn't on.
Thanks, Jerry

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Old 02-19-2014, 05:30 PM   #5
Casemxm1202006
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hey jerry I have a case mxm 120 with the exact same problem , code p34 p40 and mfwd is stuck on but no light could you please tell me what you did too fix this , thank you - Spencer

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Old 09-17-2014, 07:14 AM   #6
maxxumpro
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MXM 120 PTO issue

Quote:
Originally Posted by rocket20000 View Post
I was wondering if you ever figured out the problem with your pto. I have the same problem, p34 and p40 codes and my mfwd is engaged all the time. The mfwd button light isn't on.
Thanks, Jerry
Hi Case 120, did you ever figure out the cure to your problem on the PTO, I am having similar problems? Thanks Maxxumpro
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Old 09-21-2014, 08:03 AM   #7
boud81
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The electronic management unit (emu) needs to be recalibrated. The emu is the panel that the mfd, diff, and lights are on. Unscrew 4 screws lift emu out and disconnect wire harness. Let sit for an hour to completely discharge. Mark out a 330ft course. Reconnect emu turn headlight switch on press and hold mfd and diff lock switches while starting tractor (mfd and diff lock lights will blink). Drive to start of course press mfd switch drive in a straight line leave transmission in 7th gear. When you reach end of course press mfd button again. Turn key off and let sit for 20sec to store calibration.


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Old 09-22-2014, 12:03 PM   #8
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Thank you boud81, will give that a go! Ieuan



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