John Deere D1a Code !exclusive!
: Use the turn signal lever. Move it up (left turn) repeatedly until the display shows Access Codes : Toggle the Hazard Warning switch
However, there are temporary workarounds for moving the machine to a repair location: john deere d1a code
For more information on John Deere equipment maintenance, troubleshooting, and repair, check out these additional resources: : Use the turn signal lever
In simple terms: The transmission computer cannot reliably send or receive data from the engine or chassis computers. john deere d1a code