Maybe you starter motor is damaged.
Obd cable dont work with trek.
If you have a walbro ecu you need a rs232 cable kit have a look at tuneecu.com there are infos how make a cable kit or buy one.
There are 2 versions out there
1. rs232 kabel with adapter (sometimes connections is a little unstable)
2. Usb/amp cable kit (better solution)
If you want a set let me know I sell them if wanted.
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