It is an NR4000. NR 3000 is the only model I could select, when I originally typed my question.
The codes only appear when the Brakes or Plugging are used, when travelling faster than 5 mph.
The battery that was in use is defective. Changing the battery fixed the problem.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.