Massey 7400 series shuttle error codes

My 7495 has decided to have a funny five minutes randomly selecting reverse on its own whilst travelling forward! Not much fun when it did it to me the first time going down the road! When it does it the error codes D135 or D136 will flash up, these relate to the shuttle lever voltages so with this in mind I have tried fitting a new shuttle lever assembly. But it's still the same! From further investigation I think its the input voltage to the shuttle lever that is fluctuating but not sure why. Has anyone else come across a similar problem?
 

SFI - What % were you taking out of production?

  • 0 %

    Votes: 116 38.3%
  • Up to 25%

    Votes: 116 38.3%
  • 25-50%

    Votes: 42 13.9%
  • 50-75%

    Votes: 6 2.0%
  • 75-100%

    Votes: 5 1.7%
  • 100% I’ve had enough of farming!

    Votes: 18 5.9%

Expanded and improved Sustainable Farming Incentive offer for farmers published

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  • 1
Expanded Sustainable Farming Incentive offer from July will give the sector a clear path forward and boost farm business resilience.

From: Department for Environment, Food & Rural Affairs and The Rt Hon Sir Mark Spencer MP Published21 May 2024

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Full details of the expanded and improved Sustainable Farming Incentive (SFI) offer available to farmers from July have been published by the...
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