Hello, my name is Mark and I will try help you with this.
P0606 is a fault inside the ecu with the main processor.
The first thing you need to check is that it is getting a good voltage supply to the ecu and also has a good earth connection.
If these are ok, the next step would be to have the ecu reflashed with the latest software to see if that helps.
If it doesn't then you will need a new ecu.
The P0098 code could also be caused by the faulty ecu processor. I would therefore ignore it for the moment and try resolve the major fault code.
Once that is cured and the P0098 code is still present, then you can check the sensor and the wiring plug to it.