Unless they have evolved, then from what I was told by an engine management mapping specialist, the ECU with Pectel equipment cannot be live mapped in the same sense as the origional ECUs'. The response is too slow in the way the Pectel board decodes the info from the chip into something the ECU understands IIRC what I was told.
They can be mapped but I don't profess to understand exactly how the Pectel board and ECUs' work so ask someone who knows I.E Stu @MSD, Tony @ TS etc..