honziiik

Pressing on the pedal so lightly that the start/stop doesn't kick in keeps the transmission clutches engaged, increasing the wear and tear. You can check that using the OBD tool, eg OBD11, VCDS, or ODIS.

I feel like it would be better to adjust the existing Ali cable harness and connect it to the gateway than cutting into the original harness in the car. If you really want to go this way, I recommend using the CAN bus lines behind the infotainment unit (on passenger side). There is way easier access to the cables so you will not break your back while doing it and also there is smaller risk of damaging wires important for safety. The pin 8 on Ali harness is CAN low and the pin 9 is CAN high (same thing on the gateway), if that's what you are looking for. But probably good idea to double check, if you have the scope. If you have lab power supply, you can also try to put 28V (load dump - norm VW80000) into the Ali module to make sure it doesn't burn. If it does, it's better it happens on your work table than in the car 😃

I am 99 % sure the car didn't start because the Ali wire harness was faulty (short circuit, missing terminals, or terminals in the wrong position) or because it wasn't installed properly. Generally speaking - if the connector doesn't fit, don't try to connect it. I don't have experience with the Ali cable but It's difficult to "fry" or permanently damage the gateway unit, I wouldn't be afraid of that. I would be afraid that the CAN bus communication would stop working while driving. By the way, one CAN bus consists of 2 wires (CAN low & CAN high) and must always be twisted together to prevent noise. Notice that there are no twisted wires on the Ali cable. Imho that beautifully illustrates the overall quality 😃

@Djadjo78 All gateways in Octavia IV (Continental in older ones and Bosch in new ones) have missing pin 28. The 4 signals in the Ali module are for power (1, 16) and CAN BUS (8, 9).

Worth checking out: https://burteq.com/products/octavia-4-memory-module it provides memory for SS, drive mode, lane assist, and front assist. Czech company. Here is how to connect it - I think this tutorial applies to all modules listed in this thread is