Frank Zimmerman Member Messages 41 Jun 22, 2026 #1 I'm working on a John Deere 650J dozer and having trouble with the Transmission Control Unit (TCU). I can only see code F311 and can't scroll through any other fault.
I'm working on a John Deere 650J dozer and having trouble with the Transmission Control Unit (TCU). I can only see code F311 and can't scroll through any other fault.