Don't know the cost? But if it's just a spare then swap your knock module in. It's under a cover with 2 screws on top, very easy change.

Here you go. Right now it is set to do Engine Data. You can click Aqcusition, Edit Definition (or the button with 2 gears) and change the connection to Transmission Connection and monitor to...

Some guys are having problems connecting to engine data with the adx file. Have to connect and get bad data, dis connect and re connect and gets good data. It has a silence command for Buick...

PCMs are the same but the bin is of course differant. Knock modules are differant too but I do not know how many possibilities so just use the one that came with car. 4.3L L99 V8 knock module is...