Conditions for Running the Procedure - Cold Start-Up

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Ambient Air Temperature = 0 to 40°C (32 to 104°F) @ Start-up
Barometric Pressure = Greater than 75 kPa (11 PSI)
ECT Sensor = Less than 35°C (95°F) @ Start-up
Engine = Off - Greater than 8 h
Fuel Level Sensor = 25 to 75%
IAT Sensor = Less than 34°C (93°F) @ Start-up
Ignition 1 Signal = 10 to 15 V
Start-Up ECT & Start-Up IAT = Within 12°C (22°F) of each other