Cat Lift Trucks (& Caterpillar) 2P5000:
Well.....dash has power.....still no start....Code E03

I had the problem with no dash or lights and no start.
Turns out the main ignition wire at the power relay near the step was corroded and broken.
Now I have a dash, dash lights, relays clicking etc like it wants to fire up. Cranks fine. New full propane tank. But NO START. No cylinders firing.....doesnt even fire or want to start. Just crank

E03 code on the dash. HELP
Where do I start? I dont know if this a fuel flow issue? Or plugs not firing?
Please someone have any tips?

Thank you
  • Posted 17 Oct 2022 03:57
  • Discussion started by Jinxie
  • Manitoba, Canada
Showing items 1 - 3 of 3 results.
what's the serial number of the lift?
i might be able to get a wiring schematic for it.
  • Posted 17 Oct 2022 15:44
  • Reply by swoop223
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com
Any idea where I can get a wiring schematic?
I definitely moved those green relays from slot to slot about 5X. I also made sure they clicked when I found a live circuit to test them in. I guess I can make sure the power the relay is transferring comes out the other pin as it should
What is vcm and where is it located?
Does the vcm ever go bad?
  • Posted 17 Oct 2022 14:18
  • Reply by Jinxie
  • Manitoba, Canada
E03 is a VCM communication signal circuit malfunction.
my guess would be one of the EGI relays is intermittant or just bad.
they are known for causing these issues.
you may also want to check the fuse box and make sure the relevant circuits are ok, those were known to cause issues also.
And when you check your connectors check the wiring at the connector and make sure none have any breaks.
  • Posted 17 Oct 2022 07:48
  • Reply by swoop223
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com

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