Corolla 10th Gen/2nd Gen Matrix (2009-2013)
Hi I have a low mileage 2009 Corolla S and the check engine light came on last week. I scanned for codes and got P0031 - H02S Heater Control Circuit Low (Bank 1, Sensor 1)
The dealer quote was near $500CAD, so im leaning towards diy if possible which is why im here.
The question is how hard of...