P0597 - 2012 chevrolet sonic

Question

My check engine light came on my 2012 Chevrolet Sonic Autozone said code is P0597 but heater seems to be working correctly, so I have no idea what to check?

Answer 1

You should start by replacing the Thermostat

P0597 Chevrolet Code - Thermostat Heater Control Circuit Open
Read more: https://www.autocodes.com/p0597_chevrolet.html