Hi Dmac
Do the ERC trucks not use the GE controllers? Either the old EV100 systems or the newer GE sep ex controllers? Either way if its any of them then 06 would be a faulty direction switch or wiring related to that or that the accelerator is depressed before selecting direction.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.