Seat Leon lambda probe error I - The check probe lights up, it looks functional

For some time I have been struggling with a probe error heating error 17586 on vag com so far I have not found a solution to this problem, although I changed the probe, the battery removed the holes in the silencer I adapted EGR and throttles and nothing else. a long way, neither for me nor for him any check jumped as if everything was operational. I will add with loose cables. When I moved the probe back to my car and insulated the cable from the alternator, it was slightly jerky, the error 17591, short to plus, jumped out immediately at the stop. I isolated everything as a standard 3 km error 17586. I don't know what can be played once, it also went out for me and for the 2nd day it lit up but the case is strange

In my opinion, you answered yourself - the wiring to be checked.

OK, but you can not see any puncture, I move the cables and nothing zero and how to explain that nothing jumped out of my friend if the cables are defective. Well, probably the bundle in the pit, but it's also a bit strange