ecu repair history:

ecu 9955

1: died installing, connected to it, made some changes and it died, impossible to connect. what was damaged? you say p259?

ecu 10194

2: died after my failure with coil ground disconected, started worked, and died slowly after I forgot to put coil ground cable in place after swapping ignition coils. baked one igbt, what more happened to it?

thank you.