L4060 LE locked in HST fine set mode

   / L4060 LE locked in HST fine set mode #1  

eschap

New member
Joined
Sep 10, 2024
Messages
4
Tractor
L4060le
I cannot reset the l4060 back to "normal", it's locked into a hot fine adj mode k, but it can't change it. I can only start if I push hst foot control fully down then all way back, then it cranks. Now it has limited torque and only in hot turtle mode. How do I get it back to stock.. I'm a retired drive train engineer from dodge. I have sw/hw design experience, but I dont have any experience on the Japanese tractor designs. Does anyone from IAV monitor this thread? If so please reach out with some type of "hack" to virginize ECU
 
   / L4060 LE locked in HST fine set mode #2  
You sound pretty deep into this, but I'm not sure if you have access to the workshop manual. This is what Kubota has on the procedure:
IMG_4626.jpg

IMG_4627.jpg
 
   / L4060 LE locked in HST fine set mode
  • Thread Starter
#3  
I'm a retired hardware engineer of past experience with GM and Ford such as you. I have the same problem on my L4060. Hst the workshop manual is incorrect in the preparation procedure. Set the range lever to neutral between m. And h not l and m set the parking brake. Push the HST pedal forward. Then backwards start the engine. Then it will do the procedure. FYI most the kubota tech Think you have to use a laptop. But there is no laptop by directional. Controls on these kabotas.. It only clears codes and access data stream all of the programming except for initialization is done through the - display.fyi its network is CAN L, YOU CAN ACCESS the network via the diag connector and use standard Hex CAN dev SW to access, no security to prevent access!
 
   / L4060 LE locked in HST fine set mode
  • Thread Starter
#4  
You sound pretty deep into this, but I'm not sure if you have access to the workshop manual. This is what Kubota has on the procedure:
View attachment 1057640
View attachment 1057641
Wsm is wrong, hst enter prep is range mode is N between am and H, not N between L and M, all the rest is correct and procedure will complete automatically once the engine is started, ES.
 

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