New Guy with CEL on!

[JCol91]

Hello all,

I just bought a 2008 Yaris base sedan 5spd manual and first thing I want to get done is ask for expertise regarding common issues on these cars.

I've plugged and OBD scanner in Autozone and obtained the following codes:

P0606 - ECM processor error (this is my main concern because the idle is high on 2.5-3k and I have no idea how interchangeable are the ECMs in these cars, assuming a faulty ECM would fix this)
P0713 - Transmission fluid temp sensor (Doesn't make sense to me since cars is 5spd manual, please help)
P0974 - Shift solenoid A (again these don't make sense to me since the car is a manual but please do comment)
P0977 - Shift solenoid B
P2238 - Oxy Sensor or A/F ratio sensor circuit
P2716 - Pressure control solenoid

I assuming changing or cleaning the MAF sensor or Oxy sensor might do the trick for the high idle but this is the first of these cars I've had so my knowledge on them is 0.

I can do basic DIY maintenance, so I'll start searching the forum for each of these topics but any help is appreciated.

Thanks!