For wbx no need to unhook the battery to swap ECU, just make certain the
key is OFF when plugging or unplugging. There is no power going to any
pin of the ECU when the key is off. Other VWs can have memory in the ECU
that gets power all the time.

Mark

neil n wrote:
>
>
> Mark. No Bentley close to me.
>
> For the weekend warrior attempting an ECUswap, is there a period of
> time one should wait after disconnecting battery, before disconnecting
> and swapping ECU's?
>
> Pretty sure there is for the Jetta ECU. Like 45 seconds or something.
>
>
>
> Neil.
>
>