Tool Model: MaxiSys Ultra
Vehicle: 2012 Chevrolet Cruze 1.4L Turbo
I'm trying to run the "EVAP Service Bay Test" function under Special Funtions in the ECM. I've followed all on-screen instructions, but every time I begin the test it aborts as soon as I start the engine. I'm wondering if there are other conditions that must be met to run the test.