Caterpillar NRR40:
Code A4 setting

Anybody come across code A4 on a cat NRR40?
  • Posted 30 Sep 2020 02:23
  • Discussion started by Mike_McDonald
  • Ontario, Canada
Mike McDonald
Showing items 1 - 1 of 1 results.
not much on this code
the code description says "This code indicates that the COP on the VFC has timed out. This code should never be detected in normal operation.
To clear it turn key off/on
if code presists the only corrective actions it lists
1 - check static strap and circuitry (make sure it has a static strap, it is touching the floor and if there is no static strap put one on it.)
2 - Use D-Cat, version 2.8 or higher to resolve code. See "supplement - Dealer/Technitian configuration program: user instructions" on page 7-3 in service manual.
3 - the vehicle manager may be bad

just a guess but chances are it's a static strap issue
  • Posted 1 Oct 2020 20:02
  • Modified 1 Oct 2020 20:03 by poster
  • Reply by swoop223
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com

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There have been a number of reports about warehouse automation in the last few weeks, suggesting that robotics is fast becoming mainstream.
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There have been a number of reports about warehouse automation in the last few weeks, suggesting that robotics is fast becoming mainstream.
This week, we report on another two implementations of autonomous equipment.
As we approach the busy holiday season, there are predictions that retail spending will surpass previous years
...Continue Reading

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Alexander Graham Bell, the Scottish-born scientist who invented the telephone in 1876, refused to have a telephone in his own study because he thought it was an intrusion on his work as a scientist.
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Hormuz Island off the coast of Iran, attracts artists and geology lovers for its eye-catching red-ochre soil and its stunningly variegated geological formations.