Toyota 7FBCU25:
Codes A3, 54-1, 64-1

I have a 7FBCU25/70823. 48V system

The truck was originally throwing a F1 code, swapped the CPU board with a known good board. Now I'm getting codes A3, 54-1, 64-1 and truck has no functions. When you cycle the key "on" it doesn't pull in the line contactor or anything. A3 is saying incorrect voltage, but the board I swapped it with was also a 48V truck. It will not allow me to get into the dash menu. Any help is greatly appreciated.
  • Posted 20 Mar 2016 02:28
  • Discussion started by Jpeyatt
  • Ohio, United States
Showing items 1 - 4 of 4 results.
7fbe20 Toyota forklift
Can you please share your experience that how did you resolve it
I am also having the same issue A3 Mode
But I couldn't get it to mast manu display
I am having the same issue with my 7FBCU25 48V system. I'm getting the A3, 54-1, 64-1 with no truck function. What did you find? How did you resolve your issue? Any help would be great!
  • Posted 18 Feb 2017 07:11
  • Reply by Genesis1
  • Alberta, Canada

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