Conditions for Meeting a Cold Start

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The ignition voltage is between 10 and 15 V.
The barometric pressure (BARO) is more than 75 kPa.
The engine coolant temperature (ECT) at start-up is less than 42°C (108°F).
The intake air temperature (IAT) is between 2-32°C (36-90°F).
The engine is OFF for greater than 6 hours or the following conditions must be met:
- The start-up IAT minus start-up ECT are within 12°C (22°F).
- The start-up ECT minus start-up IAT are within 50°C (90°F).
Fuel level is between 25 and 75 %.