Hey guys. I was running my tractor it sputtered but kept running. Was finishing up what I was doing sputtered again. So decided to load it on the trailer. Going there it went into limp mode I suspect (idled down moving slow) and a light came on the dash STOP. Loaded it got home now it won't start for me to unload it. Error says ECU A 1485.02. Only 60hrs on clock. I have had to take it in before at 38hrs because of the ECU going bad. Anybody know what the code means? Or seen or heard of this before. Thanks for any reply.
I have no idea about the code but you may try removing the battery cable for a min or so and just maybe it will start.
I also searched this forum and found another owner that had the code and the battery was bad. I think his clicked but would not spin over does yours spin ?
Hope this helps whiturbo but according to the tech manual for my 3039R, a 1485.02 code is defined as:
ECU main relay data erratic, intermittent or incorrect.
Ok I have been able to get it started and off the trailer. It seems to have been associated with the regen. High engine temp is what I have been able to find out. I need to do an exhaust filter cleaning it seems. Too late tonight but I'll do it tomorrow when I get home from work. I'll report back then.
I had the same error on my ride. I checked the battery and the positive post was corroded and then a dead battery. Changed the battery and the code went away....
My ag store suggests charging the battery first. The code is a general code referring to not enough power to the main relay. If the battery charge doesn't help, or it isn't charging well while running, maybe alternator. But they definitely suggest it's a power issue to the main relay. It could of course be a shot main relay. On that note, anyone know where to find the main relay? It's not in the breaker box under and to the right of the seat.
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Related Threads
?
?
?
?
?
Green Tractor Talk
1.5M posts
72.2K members
Since 2010
A forum community dedicated to John Deere tractor owners and enthusiasts. Come join the discussion about towing, PTO’s, reviews, attachments, modifications, troubleshooting, maintenance, and more!