Komatsu FG25ST-14:
ECU Failure Light on

Unit has a hard to start issue, once running the ECU failure light comes on and the unit dies shortly there after. Unit will restart and repeat. Any ideas?
  • Posted 9 Jun 2022 03:03
  • Discussion started by Todd_Crowder
  • Arkansas, United States
Showing items 1 - 11 of 11 results.
Yes sir, that is the code. We took a video of the flashes and replayed it several time to make sure that we were counting correctly.

Crazy Code!!
  • Posted 22 Jun 2022 00:54
  • Reply by Todd_Crowder
  • Arkansas, United States
Todd are you sure about this code l don't see it are you sure of the one flash the code you are getting 0310 is not in the book there is a0340code and a0350 code.it is very easy to miss some blinks if you are not looking fast. Try to have another person there with you to look to some time four eyes are better than two. getbback to me if you are one hundred percent this is the code l will look into it maybe it is not in the book
  • Posted 21 Jun 2022 21:30
  • Reply by Scott_
  • Pennsylvania, United States
Scott
10 flashes/three flashes/one flash/10 flashes
  • Posted 21 Jun 2022 00:48
  • Reply by Todd_Crowder
  • Arkansas, United States
Todd there is no three digit codes they are all four digit some have a zero in the first digit try to look again and get back to me
  • Posted 15 Jun 2022 23:28
  • Modified 15 Jun 2022 23:29 by poster
  • Reply by Scott_
  • Pennsylvania, United States
Scott
Correction 310 code
  • Posted 15 Jun 2022 23:07
  • Reply by Todd_Crowder
  • Arkansas, United States
Scott,
We cleared the codes and started the unit and ran until light came back on, pulled codes and all that it shows now is a 319 code.
  • Posted 15 Jun 2022 04:38
  • Reply by Todd_Crowder
  • Arkansas, United States
I got your message the only thing is usually you start at the first code the problem is l think you might have read the blinks wrong you said the first one is 2124 the problem is l can not find that code in the book you might have to go back in and count again hate to tell you that. The only code that l see is 1124 throttle control moter relay circuit. But that is not the first code so l would not be concerned at the present time
  • Posted 14 Jun 2022 05:00
  • Reply by Scott_
  • Pennsylvania, United States
Scott
Correction
1,2,1,2,4,1,1,2,4,5,1,2,1,8,10 slow,10 fast,3,1,10 slow,1,10 fast
  • Posted 14 Jun 2022 00:24
  • Reply by Todd_Crowder
  • Arkansas, United States
Ok- First off you were not joking on using a stop watch! That is the only way to be accurate enough to get it to start flashing the code. Counting the flashes, below is what is showing up.

2,1,2,4,1,1,2,4,5,1,2,1,8, 10 slow flashes,10 fast flashes,3,1,10 slow,1, 10 fast
then it start repeating code again.
  • Posted 14 Jun 2022 00:03
  • Reply by Todd_Crowder
  • Arkansas, United States
Thanks Scott- I will be in touch as soon as possible
  • Posted 11 Jun 2022 06:32
  • Reply by Todd_Crowder
  • Arkansas, United States
If you don't have any way to get cable and scanner to check check engine light you will have to try to go through gas Petal this will take practice turn key on and count 3seconds than hit petal down 5times within 5 second make sure the fifth time is in the up position than count 7 seconds than hold petal down for approx 10 seconds and check engine will start blinkiing count the blinks most codes are 4 numbers if the light should blink ten times in a row that code is a zero.for example 1blink than2 blink than ten blinks than four blinks would be 1204 code l would use stop watch to do this it has to be done perfectly or it will not blink if you try and it does not work just turn key off and start over when all codes are done flashing it will flash three time the zero code as for 000 after you find out what the codes are get back to me and l will help you try to fix it. the only way it will not work is if the petal is the problem hope this helps
  • Posted 9 Jun 2022 12:38
  • Reply by Scott_
  • Pennsylvania, United States
Scott

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